PPS (Production Planning and Scheduling) Part 1: Core Elements, Version 1.0

Public Review Draft 01

7 August 2007

Specification URIs:

http://docs.oasis-open.org/pps/v1.0/pr01/pps-core-elements-1.0-pr01.doc

http://docs.oasis-open.org/pps/v1.0/pr01/pps-core-elements-1.0-pr01.html

http://docs.oasis-open.org/pps/v1.0/pr01/pps-core-elements-1.0-pr01.pdf

Previous Version:

N/A

Latest Version:

http://docs.oasis-open.org/pps/v1.0/pps-core-elements-1.0.doc

http://docs.oasis-open.org/pps/v1.0/pps-core-elements-1.0.html

http://docs.oasis-open.org/pps/v1.0/pps-core-elements-1.0.pdf

Latest Approved Version:

N/A

Technical Committee:

OASIS Production Planning and Scheduling TC

Chair(s):

Yasuyuki Nishioka, PSLX Forum / Hosei University

Editor(s):

Yasuyuki Nishioka, PSLX Forum / Hosei University

Koichi Wada, PSLX Forum

Related work:

This specification is related to:

·         Universal Business Language 2.0

Declared XML Namespace(s):

http://docs.oasis-open.org/pps/ns/core-elements

Abstract:

OASIS PPS (Production Planning and Scheduling) Standard deals with problems in all manufacturing companies who want to have a sophisticated information system for production planning and scheduling. PPS standard provides XML schema and communication protocols for information exchange among manufacturing application programs in the web-services environment. This document especially focuses on information model of core elements in the production planning and scheduling domain. Since the elements have been designed without specific contexts in planning and scheduling, they can be used in any specific type of messages as a building block depending on the context of application programs.

 

Status:

This document was last revised or approved by the PPS TC on the above date. The level of approval is also listed above. Check the "Latest Version" or "Latest Approved Version" location noted above for possible later revisions of this document.

Technical Committee members should send comments on this specification to the Technical Committee's email list. Others should send comments to the Technical Committee by using the "Send A Comment" button on the Technical Committee's web page at http://www.oasis-open.org/committees/pps/.

For information on whether any patents have been disclosed that may be essential to implementing this specification, and any offers of patent licensing terms, please refer to the Intellectual Property Rights section of the Technical Committee web page (http://www.oasis-open.org/committees/pps/ipr.php.

The non-normative errata page for this specification is located at http://www.oasis-open.org/committees/pps/.

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Table of Contents

1      Introduction. 6

1.1 Terminology. 6

1.2 Normative References. 6

1.3 Non-Normative References. 6

1.4 Conformance. 6

1.5 Terms and definitions. 7

2      Primitive Elements. 8

2.1 Structure of primitive elements. 8

2.2 List of primitive elements. 9

2.2.1 Party element 10

2.2.2 Order element 10

2.2.3 Item element10

2.2.4 Resource element 10

2.2.5 Function element 11

2.2.6 Lot element11

2.2.7 Task element11

2.2.8 Operation element 11

3      Relational Elements. 12

3.1 Structure of relational elements. 12

3.2 List of relational elements. 13

3.2.1 Compose element 14

3.2.2 Produce element 14

3.2.3 Consume element 14

3.2.4 Assign element 14

3.2.5 Relation element 14

4      Specific Elements. 15

4.1 Structure of specific element 15

4.2 List of specific elements. 16

4.2.1 Location element 16

4.2.2 Capacity element 16

4.2.3 Progress element 17

4.2.4 Spec element17

5      Eventual Elements. 18

5.1 Structure of eventual element 18

5.2 List of eventual elements. 19

5.2.1 Start element 19

5.2.2 End element19

5.2.3 Event element 19

6      Accounting Elements. 20

6.1 Structure of Accounting element 20

6.2 List of accounting elements. 21

6.2.1 Price element 21

6.2.2 Cost element21

7      Administrative Elements. 22

7.1 Structure of Administrative Elements. 22

7.2 List of Administrative Elements. 22

7.2.1 Priority element 23

7.2.2 Display element 23

7.2.3 Description element 23

7.2.4 Author element 23

7.2.5 Date element23

8      Data Elements. 24

8.1 Qty element24

8.2 Char element24

8.3 Duration element 25

8.4 Time element26

A.     Object Class diagram.. 27

B.     Cross reference of elements. 28

C.     Acknowledgements. 30

D.     Revision History. 31

 

 


1        Introduction

This document prescribes how to describe contents of the messages with XML used for exchanging the information on Production Planning and Scheduling by some application software programs.

If information is exchanged between some applications related to Production Planning and Scheduling, the enterprise can develop systems comparatively easily at a low cost and make them more competitive for the whole enterprise.  To make matters better, the systems will be able to have high extendability in future.

This specification aims at production planning and scheduling for all kinds of products and services provided by manufacturing enterprises.  Production scheduling explained in this specification can be divided into scheduling in the whole enterprise including some areas or sites and detail scheduling in the individual areas and sites.

This specification doesn't aim at optimization logic for solution, special knowledge of individual enterprises, concrete solution methods for production planning and scheduling, and planning for the total supply chain.

1.1 Terminology

The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in [RFC2119].

1.2 NormativeReferences

[RFC2119]              S. Bradner, Key words for use in RFCs to Indicate Requirement Levels, http://www.ietf.org/rfc/rfc2119.txt, IETF RFC 2119, March 1997.

[PPS02]                  PPS (Production Planning and Scheduling) Part 2: Transaction Messages, Version 1.0, Public Review Draft 01, http://www.oasis-open.org/committees/pps/       

[PPS03]                  PPS (Production Planning and Scheduling)Part 3: Profile Specifications,
Version 1.0, Public Review Draft 01, http://www.oasis-open.org/committees/pps/    

 

1.3 Non-Normative References

[PSLXWP]              PSLX Consortium, PSLX White Paper - APS Conceptual definition and implementation, http://www.pslx.org/

[PSLX001]              PSLX Technical Standard, Version 2, Part 1: Enterprise Model (in Japanese), Recommendation of PSLX Forum, http://www.pslx.org/

[PSLX002]              PSLX Technical Standard, Version 2, Part 2: Activity Model (in Japanese), Recommendation of PSLX Forum, http://www.pslx.org/

[PSLX003]              PSLX Technical Standard, Version 2, Part 3: Object Model (in Japanese), Recommendation of PSLX Forum, http://www.pslx.org/

 

1.4 Conformance

A document or part of document confirms OASIS PPS Core Elements if all elements in the artifact are consistent with the normative text of this specification, and the document can be processed properly with the XML schema that can be downloaded from the following URI.

 

http://docs.oasis-open.org/pps/v1.0/pps-core-elements.xsd

1.5 Terms and definitions

plan

representation unit for intensive information of related orders corresponding to a specific period on a discrete time scale, or calculated information on the schedule under the related orders.  It may become actual results of the progress according to the timing of the action, whether it is in the past or future.

order

unit of requirement describing concrete item, resource or operation in a specific place at a specific time.  It can also represent the results to the request.

party

customer who is a sender of an order and has a demand to make a decision, or supplier thow is a receiver in case that a decision-maker sends the demand that can't be handled inside.

item

object to be produced or consumed by production activity.  The quantity or the quality of item is changed by means of the production activity.

Example product, parts, module, unit, work in process, materials

resource

object that can provide essential function for production activity.  The capacity of function is used during production activity but is available again after finishing production.

Example: equipment, machine, device, labor, tool

process

element of production activity indicating a concrete production method.  It has duration and gives the added value to a produced item.  One function may have two or more functions in a more detail unit inside.

lot

instance of specific item that exists in a specific place at a specific time.  Generally the specific time corresponds to start or end of an operation, and the specific quantity is equal to the quantity of item produced or consumed by the operation.

task

unit of necessity to execute a specific function at a specific time, indicating the volume of used capability provided by the applicable resource.

Notes: Task represents either the capacity value provided by resource at a specific time point or the aggregated total value of capacity provided by resource during specific duration.

operation

actual processing element to be executed by a specific task and to produce or consume a specific lot.  It is a concrete instance of function in production activity.

2   Primitive Elements

2.1 Structure of primitive elements

Primitive elements are the minimum series of element that corresponds to the most basic domain objects. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:complexType name="PrimitiveType">

  <xsd:sequence>

    <xsd:element ref="Compose" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Produce" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Consume" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Assign" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Relation" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Location" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Capacity" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Progress" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Spec" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Start" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="End" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Event" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Price" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Cost" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Priority" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Display" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Description" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Author" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Date" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Qty" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Char" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Duration" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Time" minOccurs="0" maxOccurs="unbounded"/>

  </xsd:sequence>

  <xsd:attribute name="id" type="xsd:string" use="required"/>

  <xsd:attribute name="key" type="xsd:long"/>

  <xsd:attribute name="name" type="xsd:string"/>

  <xsd:attribute name="parent" type="xsd:string"/>

  <xsd:attribute name="type" type="xsd:string"/>

  <xsd:attribute name="status" type="xsd:string"/>

  <xsd:attribute name="party" type="xsd:string"/>

  <xsd:attribute name="plan" type="xsd:string"/>

  <xsd:attribute name="order" type="xsd:string"/>

  <xsd:attribute name="item" type="xsd:string"/>

  <xsd:attribute name="resource" type="xsd:string"/>

  <xsd:attribute name="process" type="xsd:string"/>

  <xsd:attribute name="lot" type="xsd:string"/>

  <xsd:attribute name="task" type="xsd:string"/>

  <xsd:attribute name="operation" type="xsd:string"/>

</xsd:complexType>

 

·           id attribute SHOULD represent an identifier of this element.

·           key attribute SHOULD represent a key used in the local applications.

·           name attribute SHOULD represent the name of this element.

·           parent attribute SHOULDrepresent the identifier of the inherited element of this element.

·           type attribute SHOULD represent the division of this element.

·           status attribute SHOULD represent the status of this element.

·           party attribute SHOULD represent an identifier of the party associated with this element.

·           plan attribute SHOULD represent the identifier of the plan associated with this element.

·           order attribute SHOULD represent the identifier of the order associated with this element.

·           item attribute SHOULD represent the identifier of the item associated with this element.

·           resource attribute SHOULDrepresent the identifier of the resource associated with this element.

·           process attribute SHOULDrepresent the identifier of the process associated with this element.

·           lot attribute SHOULD represent the identifier of the lot associated with this element.

·           task attribute SHOULD represent the identifier of the task associated with this element.

·           operation attribute SHOULDrepresent the identifier of the operation associated with this element.

 

·           Compose element SHOULD represent the element corresponding to part of this element.

·           Produce element SHOULD represent the relation that this element produces.

·           Consume element SHOULD represent the relation that this element consumes.

·           Assign element SHOULD represent the relation that this element uses.

·           Relation element SHOULD represent the relation to other primitive elements.

·           Location element SHOULD represent the location where this element exists.

·           Capacity element SHOULD represent the capacity status of this element.

·           Progress element SHOULD represent the progress of this element.

·           Spec element SHOULD represent the specification of this element.

·           Start element SHOULD represent the start event of this element.

·           End element SHOULD represent the completion event of this element.

·           Event element SHOULD represent the optional event under this element.

·           Price element SHOULD represent the price of this element.

·           Cost element SHOULD represent the cost of this element.

·           Priority element SHOULD represent the priority of this element.

·           Display element SHOULD represent how to display this element.

·           Description element SHOULD represent the description of this element.

·           Author element SHOULD represent the author of this element information.

·           Date element SHOULD represent the date of this element information.

·           Qty element SHOULD represent the quantity of this element.

·           Char element SHOULD represent the qualitative value of this element.

·           Duration element SHOULD represent the net duration of this element.

·           Time element SHOULD represent the time of this element.

2.2 List of primitive elements

This standard defines nine primitive elements: Party, Plan, Order, Item, Resource, Process, Lot, Task, and Operation. The type of this element SHOULD be represented with the following XML schema.

 

      <xsd:element name="Party" type="PrimitiveType"/>

      <xsd:element name="Plan" type="PrimitiveType"/>

      <xsd:element name="Order" type="PrimitiveType"/>

      <xsd:element name="Item" type="PrimitiveType"/>

      <xsd:element name="Resource" type="PrimitiveType"/>

      <xsd:element name="Process" type="PrimitiveType"/>

      <xsd:element name="Lot" type="PrimitiveType"/>

      <xsd:element name="Task" type="PrimitiveType"/>

      <xsd:element name="Operation" type="PrimitiveType"/>

 

2.2.1 Party element

Party element represents customer and supplier. Customer is an object that requests some products or services from the enterprise.  Such requests are sent to a person in charge of production planning or scheduling.  Supplier is an object providing some products or services to the enterprise.  Supplier receives orders form the enterprise and provides additional item, resource or function to the enterprise.

2.2.2 Order element

Order element represents an object of information produced to request some products or services.  Order is a source to finally dispatch a schedule to the plant floor.  Orders can be divided into an item order, a resource order and a function order according to the type of request. 

 

Example: Ten of "A" products are requested.

<Order id="Z01" item="A">

  <Qty value="10"/>

</Order>

Example: Three labors in group "B" are requested.

<Order id="Z02" resource="groupB">

  <Qty value="3"/>

</Order>

Example: Switching operation is requested two times.

<Order id="Z03" process="change01">

  <Qty value="2"/>

</Order>

Example: An Order, which consist of ten "A" products and five "B" products, is total 3,000 yen.

<Order id="Z00">

  <Compose order="Z01"/>

  <Compose order="Z02"/>

  <Price value="3000" unit="yen"/>

</Order>

<Order id="Z01" item="A">

  <Qty value="10"/>

</Order>

<Order id="Z02" item="B">

  <Qty value="5"/>

</Order>

 

2.2.3 Item element

Item element represents a product, component, parts, work in process (WIP), raw material and other items.  Item is produced by any function, and after that, it is consumed by another function. 

2.2.4 Resource element

Resource element represents a resource.  Resource is an object enabling production, transportation, storage, inspection and other various services.  Resource is assigned to an operation after considering its capacity.

2.2.5 Function element

Function element represents a function.  Function is a unit of activities in production process, and produces and consumes items by being executed for certain duration. 

2.2.6 Lotelement

Lot element represents a production lot.  Production lot is an object corresponding to a concrete item that actually exists in a specific place at a specific time.  Lot is produced by operation and finally consumed by another operation. 

2.2.7 Task element

Task element represents a task. Task is an object showing the usage of a specific resource for a specific period.  Schedule requests a task for each resource assigned to execute the operation. 

 

Example: Task corresponding to the quantity of work that 3 labors work for 2 days

<Task id="T01">

  <Qty value="3" unit="human"/>

  <Duration value="P0Y0M2DT0H0M0S"/>

</Task>

 

2.2.8 Operation element

Operation element represents an activity to dispatch.  Operation makes a function executed at a specific place on a plant floor for a specific time.  Operation is associated with a specific lot or task by executing the activity. 

3   Relational Elements

3.1 Structure of relational elements

Relational elements represent any relations between primitive elements. A relational element can have properties. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:complexType name="RelationalType">

  <xsd:sequence>

    <xsd:element ref="Location" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Capacity" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Progress" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Spec" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Start" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="End" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Event" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Price" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Cost" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Priority" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Display" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Description" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Author" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Date" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Qty" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Char" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Duration" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Time" minOccurs="0" maxOccurs="unbounded"/>

  </xsd:sequence>

  <xsd:attribute name="id" type="xsd:string"/>

  <xsd:attribute name="key" type="xsd:long"/>

  <xsd:attribute name="name" type="xsd:string"/>

  <xsd:attribute name="type" type="xsd:string"/>

  <xsd:attribute name="value" type="xsd:double"/>

  <xsd:attribute name="disjunctive" type="xsd:boolean"/>

  <xsd:attribute name="party" type="xsd:string"/>

  <xsd:attribute name="plan" type="xsd:string"/>

  <xsd:attribute name="order" type="xsd:string"/>

  <xsd:attribute name="item" type="xsd:string"/>

  <xsd:attribute name="resource" type="xsd:string"/>

  <xsd:attribute name="process" type="xsd:string"/>

  <xsd:attribute name="lot" type="xsd:string"/>

  <xsd:attribute name="task" type="xsd:string"/>

  <xsd:attribute name="operation" type="xsd:string"/>

</xsd:complexType>

 

·           id attribute SHOULD represent an identifier of this element.

·           key attribute SHOULD represent a key used in the local applications.

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           disjunctive attribute SHOULD represent one of the following values.  The default value of this attribute SHOULD be set "false".

-   If the attribute value is "true", it SHOULD be represented that this element is a disjunctive (OR) content under the parent element.

-   If the attribute value is "false", it SHOULD be represented that this element is a conjunctive (AND) content under the parent element.

·           party attribute SHOULD represent an identifier of the party associated with this element.

·           plan attribute SHOULD represent the identifier of the plan associated with this element.

·           order attribute SHOULD represent the identifier of the order associated with this element.

·           item attribute SHOULD represent the identifier of the item associated with this element.

·           resource attribute SHOULDrepresent the identifier of the resource associated with this element.

·           process attribute SHOULDrepresent the identifier of the process associated with this element.

·           lot attribute SHOULD represent the identifier of the lot associated with this element.

·           task attribute SHOULD represent the identifier of the task associated with this element.

·           operation attribute SHOULDrepresent the identifier of the operation associated with this element.

 

·           Location element SHOULD represent the location associated with this element.

·           Capacity element SHOULDrepresent the capacity status of this element.

·           Progress element SHOULDrepresent the progress of this element.

·           Spec element SHOULD represent the specification of this element.

·           Start element SHOULD represent the start event of this element.

·           End element SHOULD represent the completion event of this element.

·           Event element SHOULD represent the optional event under this element.

·           Price element SHOULD represent the price of this element.

·           Cost element SHOULD represent the cost of this element.

·           Priority element SHOULD represent the priority of this element.

·           Display element SHOULD represent how to display this element.

·           Description element SHOULD represent the description of this element.

·           Author element SHOULD represent the author of this element information.

·           Date element SHOULD represent the date of this element information.

·           Qty element SHOULD represent the quantity of this element.

·           Char element SHOULD represent the qualitative value of this element.

·           Duration element SHOULD represent the net duration of this element.

·           Time element SHOULD represent the time of this element.

 

3.2 List of relational elements

This standard defines five relational elements: Compose, Produce, Consume, Assign, and Relation. The type of this element SHOULD be represented with the following XML schema.

 

<xsd:element name="Compose" type="RelationalType"/>

<xsd:element name="Produce" type="RelationalType"/>

<xsd:element name="Consume" type="RelationalType"/>

<xsd:element name="Assign" type="RelationalType"/>

<xsd:element name="Relation" type="RelationalType"/>

 

3.2.1 Compose element

Compose element defines a hierarchical relation between two same primitive elements.  This element can represent that the object referred to in this element composes or be composed by the upper level element.

 

Example: Product "A" group includes product "A1" and product "A2".

<Item id="A">

  <Compose type="pps:child" item="A1"/>

  <Compose type="pps:child" item="A2"/>

</Item>

Example: Product "B" is assembled with 2 of parts "C1" and 3 of parts "C2".

<Item id="B">

  <Compose type="pps:child" item="C1" value="2"/>

  <Compose type="pps:child" item="C2" value="3"/>

</Item>

Example: 2 of parts "C1" are used for product "B1" and 5 of parts "C1" are used for product "B2".

<Item id="C1">

  <Compose type="pps:parent" item="B1"><Qty value="2"/></Compose>

  <Compose type="pps:parent" item="B2"><Qty value="5"/></Compose>

</Item>

 

3.2.2 Produce element

Produce element defines a relation between function and item, or a relation between operation and lot.  This element can show the quantity of the item or lot produced by the function or operation respectively, or how many items or lots are produced by the function or the operation respectively.

3.2.3 Consume element

Consume element defines a relation between function and item, or a relation between operation and lot.  This element can show the quantity of the item or lot consumed by the function or operation respectively, or how many items or lots are consumed by the function or operation respectively. 

3.2.4 Assign element

Assign element defines a relation between function and resource, or a relation between operation and task. This element can show the quantity of the resource or task used by the function or operation respectively, or how many resources or tasks are used by the function or operation respectively.

3.2.5 Relation element

Relation element can show that one element in Primitive elements has a specific relation to other elements.  This element can additionally define relational classes between primitive elements.  The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

4   Specific Elements

4.1 Structure of specific element

Specific elements are defined to represent any properties. These elements MAY have multiple instances with its time stamp. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:complexType name="SpecificType">

  <xsd:sequence>

    <xsd:element ref="Start" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="End" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Event" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Price" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Cost" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Priority" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Display" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Description" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Author" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Date" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Qty" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Char" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Duration" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Time" minOccurs="0" maxOccurs="unbounded"/>

  </xsd:sequence>

  <xsd:attribute name="id" type="xsd:string"/>

  <xsd:attribute name="key" type="xsd:long"/>

  <xsd:attribute name="name" type="xsd:string"/>

  <xsd:attribute name="type" type="xsd:string"/>

  <xsd:attribute name="status" type="xsd:string"/>

  <xsd:attribute name="value" type="xsd:string"/>

  <xsd:attribute name="relative" type="xsd:boolean"/>

</xsd:complexType>

 

·           id attribute SHOULD represent an identifier of this element.

·           key attribute SHOULD represent a key used in the local applications.

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           status attribute SHOULD represent the status of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           relative attribute SHOULD represent whether specifying spec is relative.  The default value of this attribute SHOULD be "false".

 

·           Start element SHOULD represent the start event of this element.

·           End element SHOULD represent the completion event of this element.

·           Event element SHOULD represent the optional event under this element.

·           Price element SHOULD represent the price of this element.

·           Cost element SHOULD represent the cost of this element.

·           Priority element SHOULDrepresent the priority of this element.

·           Display element SHOULD represent how to display this element.

·           Description element SHOULD represent the description of this element.

·           Author element SHOULD represent the author of this element information.

·           Date element SHOULD represent the date of this element information.

·           Qty element SHOULD represent the quantity of this element.

·           Char element SHOULD represent the qualitative value of this element.

·           Duration element SHOULD represent the net duration of this element.

·           Time element SHOULD represent the time of this element.

 

4.2 List of specific elements

For specific elements, this standard has four elements: Location, Capacity, Progress, and Spec. The type of this element SHOULD be represented with the following XML schema.

 

      <xsd:element name="Location" type="SpecificType"/>

      <xsd:element name="Capacity" type="SpecificType"/>

      <xsd:element name="Progress" type="SpecificType"/>

      <xsd:element name="Spec" type="SpecificType"/>

 

4.2.1 Location element

Location element represents a location. When the expression of location has structure, multiple values can be set by specifying different names of the data.  Change of the location can be represented time-dependently.

 

Example: Customer's address

<Party id="ABC Inc.">

  <Location type="pps:address"><Char value="123 ABC street"/></Location>

  <Location type="pps:city"><Char value="Cambridge"/></Location>

  <Location type="pps:state"><Char value="MA"/></Location>

  <Location type="pps:code"><Char value="02139"/></Location>

  <Location type="pps:country"><Char value="USA"/></Location>

</Party>

 

4.2.2 Capacity element

Capacity element represents volume of capability of Resource, Item and Process. For Resource, it shows available summary of corresponding tasks. For Item, it shows the available summary of Lots. And for Process, it shows available rate of production. All of this information is represented in a time horizon.

 

Example: Inventory level of "material01"

<Item id="material01">

  <Capacity><Qty value="150"/></Capacity>

</Item>

Example: Temporal change of the material

<Item id="material01">

  <Capacity><Qty value="150"><Time value="2005-04-10T00:00:00/></Capacity>

  <Capacity><Qty value="200"><Time value="2005-04-17T00:00:00/></Capacity>

</Item>

Example: Material location information: Stock of "material01" is 150 located at "storage01"

<Item id="material01">

  <Capacity><Location value="storage01"/><Qty value="150"/></Capacity>

</Item>

Example: Person X  is available at A for 10 hours, and B for 8 hours.

<Resource id="Person X">

  <Capacity>

    <Location value="A"/>

    <Duration value="P0Y0M0DT10H0M0S"/>

  </Capacity>

  <Capacity>

    <Location value="B"/>

    <Duration value="P0Y0M0DT8H0M0S"/>

  </Capacity>

</Resource>

 

4.2.3 Progress element

Progress element represents progress of order and operation, or status of lot and task.  This element shows the latest data, status or progress at a specific time point.  This element MAY represent a change of time-dependent status. 

4.2.4 Spec element

Spec element represents various specifications for primitive elements. The content can be represented with a pair of a spec name and a value. This element can also represent time-dependent change of the value. The value of the specification is represented with one data type of a numerical value, characters and date time.  Spec elements with the same specification name under a common parent element SHOULD be represented with the same data type.

5   Eventual Elements

5.1 Structure of eventual element

Eventual elements represent any properties that occur at one time point. Any type of events can be specified by using this element. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:complexType name="EventualType">

  <xsd:sequence>

    <xsd:element ref="Priority" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Display" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Description" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Author" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Date" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Qty" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Char" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Duration" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Time" minOccurs="0" maxOccurs="unbounded"/>

  </xsd:sequence>

  <xsd:attribute name="id" type="xsd:string"/>

  <xsd:attribute name="key" type="xsd:long"/>

  <xsd:attribute name="name" type="xsd:string"/>

  <xsd:attribute name="type" type="xsd:string"/>

  <xsd:attribute name="status" type="xsd:string"/>

  <xsd:attribute name="value" type="xsd:string"/>

  <xsd:attribute name="condition" type="xsd:string"/>

  <xsd:attribute name="exclusive" type="xsd:boolean"/>

</xsd:complexType>

 

·           id attribute SHOULD represent an identifier of this element.

·           key attribute SHOULD represent a key used in the local applications.

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           status attribute SHOULD represent the status of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           condition attribute SHOULD represent the condition of this element.

·           exclusive attribute SHOULD represent whether exclusive or not  for the condition of this element. Default value is "false".

 

·           Priority element SHOULDrepresent the priority of this element.

·           Display element SHOULD represent how to display this element.

·           Description element SHOULD represent the description of this element.

·           Author element SHOULD represent the author of this element information.

·           Date element SHOULD represent the date of this element information.

·           Qty element SHOULD represent the quantity of this element.

·           Char element SHOULD represent the qualitative value of this element.

·           Duration element SHOULD represent the net duration of this element.

·           Time element SHOULD represent the time of this element.

 

5.2 List of eventual elements

This standard defines three eventual elements: Start, End, and Event. The Start and End is special cases of Event element. The type of this element SHOULD be represented with the following XML schema.

 

<xsd:element name="Start" type="EventualType"/>

<xsd:element name="End" type="EventualType"/>

<xsd:element name="Event" type="EventualType"/>

 

5.2.1 Start element

Start element represents a start event of order or operation.  In case of order, this element represents an event at the earliest start time of corresponding operations.

5.2.2 End element

End element represents an end event of order or operation. In case of order, this element represents an event at the latest end time of corresponding operations.

5.2.3 Event element

Event element represents an event attending with a customer, supplier, item, resource, function or operation. Event brings any action or any status change at a specific time point. In general, the status value of item or resource changes discontinuously before the event.

 

6   Accounting Elements

6.1 Structure of Accounting element

Accounting element represents any accounting information such as income and spending. Price and cost of goods and services are the target of the elements. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:complexType name="AccountingType">

  <xsd:sequence>

    <xsd:element ref="Priority" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Display" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Description" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Author" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Date" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Qty" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Char" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Duration" minOccurs="0" maxOccurs="unbounded"/>

    <xsd:element ref="Time" minOccurs="0" maxOccurs="unbounded"/>

  </xsd:sequence>

  <xsd:attribute name="id" type="xsd:string"/>

  <xsd:attribute name="key" type="xsd:long"/>

  <xsd:attribute name="name" type="xsd:string"/>

  <xsd:attribute name="type" type="xsd:string"/>

  <xsd:attribute name="status" type="xsd:string"/>

  <xsd:attribute name="value" type="xsd:decimal"/>

  <xsd:attribute name="condition" type="xsd:string"/>

  <xsd:attribute name="exclusive" type="xsd:boolean"/>

</xsd:complexType>

 

·           id attribute SHOULD represent an identifier of this element.

·           key attribute SHOULD represent a key used in the local applications.

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           status attribute SHOULD represent the status of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           condition attribute SHOULD represent the condition of this element.

·           exclusive attribute SHOULD represent whether exclusive or not  for the condition of this element. Default value is "false".

 

·           Priority element SHOULDrepresent the priority of this element.

·           Display element SHOULD represent how to display this element.

·           Description element SHOULD represent the description of this element.

·           Author element SHOULD represent the author of this element information.

·           Date element SHOULD represent the date of this element information.

·           Qty element SHOULD represent the quantity of this element.

·           Char element SHOULD represent the qualitative value of this element.

·           Duration element SHOULD represent the net duration of this element.

·           Time element SHOULD represent the time of this element.

 

6.2 List of accounting elements

For accounting elements, Price element and Cost element are defined in this standard. The type of this element SHOULD be represented with the following XML schema.

 

<xsd:element name="Price" type="AccountingType"/>

<xsd:element name="Cost" type="AccountingType"/>

 

6.2.1 Price element

Price element represents a price.  This element can be used to represent price information of primitive element and some properties.  The currency unit can be set if necessary.

6.2.2 Cost element

Cost element represents a cost.  This element can be used to represent cost information of primitive element and some properties.  The currency unit can be set if necessary.

 

7   Administrative Elements

7.1 Structure of Administrative Elements

Administrative elements represent any administrative information, which is not the main body of domain objects but the information how to deal with the domain objects. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:complexType name="AdministrativeType">

    <xsd:sequence>

      <xsd:element ref="Qty" minOccurs="0" maxOccurs="unbounded"/>

      <xsd:element ref="Char" minOccurs="0" maxOccurs="unbounded"/>

      <xsd:element ref="Duration" minOccurs="0" maxOccurs="unbounded"/>

      <xsd:element ref="Time" minOccurs="0" maxOccurs="unbounded"/>

    </xsd:sequence>

    <xsd:attribute name="name" type="xsd:string"/>

    <xsd:attribute name="type" type="xsd:string"/>

    <xsd:attribute name="value" type="xsd:string"/>

    <xsd:attribute name="condition" type="xsd:string"/>

    <xsd:attribute name="exclusive" type="xsd:boolean"/>

</xsd:complexType>

 

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           condition attribute SHOULD represent the condition of this element.

·           exclusive attribute SHOULD represent whether exclusive or not  for the condition of this element. Default value is "false".

 

·           Qty element SHOULD represent the quantity of this element.

·           Char element SHOULD represent the qualitative value of this element.

·           Duration element SHOULDrepresent the net duration of this element.

·           Time element SHOULD represent the time of this element.

 

7.2 List of Administrative Elements

For administrative elements, Priority, Display, Description, Author and Date elements are defined in this standard. The type of this element SHOULD be represented with the following XML schema.

 

<xsd:element name="Priority" type="AdministrativeType"/>

<xsd:element name="Display" type="AdministrativeType"/>

<xsd:element name="Description" type="AdministrativeType"/>

<xsd:element name="Author" type="AdministrativeType"/>

<xsd:element name="Date" type="AdministrativeType"/>

 

7.2.1 Priority element

Priority element represents the priority of primitive elements or relational elements.  This information is used   to make a decision for planning or scheduling.

7.2.2 Display element

Display element is an element to set how to display primitive elements. This element can specify colors or display locations on the screen.

7.2.3 Description element

Description element is an element to set an optional comment to some elements of primitive elements. The comment data type is a character string.

7.2.4 Author element

Author element represents the author and its related information such as the authoring date. This information is not about the target domain model, but information processing model.

7.2.5 Date element

Date element is an element that shows the creation date, expire date, revising date, and so forth. This information is for administrative use of the domain model.

8        Data Elements

8.1 Qty element

Qty element SHOULD represent quantity information. This element can be used to represent the quantitative numerical data.  Unit of the value can be set in this element, and representation of fraction is available. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:element name="Qty">

  <xsd:complexType>

    <xsd:attribute name="name" type="xsd:string"/>

    <xsd:attribute name="type" type="xsd:string"/>

    <xsd:attribute name="status" type="xsd:string"/>

    <xsd:attribute name="value" type="xsd:decimal"/>

    <xsd:attribute name="condition" type="xsd:string"/>

    <xsd:attribute name="exclusive" type="xsd:boolean"/>

    <xsd:attribute name="count" type="xsd:long"/>

    <xsd:attribute name="unit" type="xsd:string"/>

    <xsd:attribute name="base" type="xsd:decimal"/>

  </xsd:complexType>

</xsd:element>

 

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           status attribute SHOULD represent the status of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           condition attribute SHOULD represent the condition of this element.

·           exclusive attribute SHOULD represent whether exclusive or not  for the condition of this element. Default value is "false".

·           count attribute SHOULD represent the countable value of this element.

·           unit attribute SHOULD represent the type of currency unit data of this element.

·           base attribute SHOULD represent the base data of this element. The value of the "value" attribute is divided with this value.

 

Example: 1/3 meters

<Qty value="1" unit="m" base="3"/>

 

8.2 Char element

Char element SHOULD represent character data. This element can be used to represent a qualitative value of specification or a value of location. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:element name="Char">

  <xsd:complexType>

    <xsd:attribute name="name" type="xsd:string"/>

    <xsd:attribute name="type" type="xsd:string"/>

    <xsd:attribute name="status" type="xsd:string"/>

    <xsd:attribute name="value" type="xsd:string"/>

    <xsd:attribute name="condition" type="xsd:string"/>

    <xsd:attribute name="exclusive" type="xsd:boolean"/>

    <xsd:attribute name="count" type="xsd:long"/>

    <xsd:attribute name="unit" type="xsd:string"/>

    <xsd:attribute name="base" type="xsd:string"/>

  </xsd:complexType>

</xsd:element>

 

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           status attribute SHOULD represent the status of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           condition attribute SHOULD represent the condition of this element.

·           exclusive attribute SHOULD represent whether exclusive or not  for the condition of this element. Default value is "false".

·           count attribute SHOULD represent the countable value of this element.

·           unit attribute SHOULD represent the type of currency unit data of this element.

·           base attribute SHOULD represent the base data of this element. The value of the "value" attribute is divided with this value.

 

8.3 Duration element

Duration element SHOULD represent duration. Duration presented by this element is indicated with either continuous time scale such as day, hour, minute and second, or discrete time under a specific scale. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:element name="Duration">

  <xsd:complexType>

    <xsd:attribute name="name" type="xsd:string"/>

    <xsd:attribute name="type" type="xsd:string"/>

    <xsd:attribute name="status" type="xsd:string"/>

    <xsd:attribute name="value" type="xsd:duration"/>

    <xsd:attribute name="condition" type="xsd:string"/>

    <xsd:attribute name="exclusive" type="xsd:boolean"/>

    <xsd:attribute name="count" type="xsd:long"/>

    <xsd:attribute name="unit" type="xsd:string"/>

    <xsd:attribute name="base" type="xsd:duration"/>   

  </xsd:complexType>

</xsd:element>

 

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           status attribute SHOULD represent the status of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           condition attribute SHOULD represent the condition of this element.

·           exclusive attribute SHOULD represent whether exclusive or not  for the condition of this element. Default value is "false".

·           count attribute SHOULD represent the countable value of this element.

·           unit attribute SHOULD represent the type of currency unit data of this element.

·           base attribute SHOULD represent the base data of this element. The value of the "value" attribute is divided with this value.

 

Example:  3 hours and 10 minutes

<Duration value="P0Y0M0DT3H10M0S"/>

Example:  3 weeks (discrete time scale)

<pps:duration count="3" unit="week" base="P0Y0M7DT0H0M0S"/>

 

8.4 Time element

Time element SHOULD represent a specific time. Time is represented by a continuous time scale, or a specific discrete time scale. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

<xsd:element name="Time">

  <xsd:complexType>

    <xsd:attribute name="name" type="xsd:string"/>

    <xsd:attribute name="type" type="xsd:string"/>

    <xsd:attribute name="status" type="xsd:string"/>

    <xsd:attribute name="value" type="xsd:dateTime"/>

    <xsd:attribute name="condition" type="xsd:string"/>

    <xsd:attribute name="exclusive" type="xsd:boolean"/>

    <xsd:attribute name="count" type="xsd:long"/>

    <xsd:attribute name="unit" type="xsd:string"/>

    <xsd:attribute name="base" type="xsd:dateTime"/>

  </xsd:complexType>

</xsd:element>

 

·           name attribute SHOULD represent the name of this element.

·           type attribute SHOULD represent the division of this element.

·           status attribute SHOULD represent the status of this element.

·           value attribute SHOULD represent the content corresponding to the qty element.

·           condition attribute SHOULD represent the condition of this element.

·           exclusive attribute SHOULD represent whether exclusive or not  for the condition of this element. Default value is "false".

·           count attribute SHOULD represent the countable value of this element.

·           unit attribute SHOULD represent the type of currency unit data of this element.

·           base attribute SHOULD represent the base data of this element. The value of the "value" attribute is divided with this value.

 

Example: noon on May 13th, 2005

<Time value="2005-05-13T12:00:00"/>

Example: 2 months later since the present month (May, 2005) (discrete time scale)

<Time count="2" unit="month" base="2005-05-01T00:00:00"/>

 

A.   Object Class diagram

Figure A-1 shows the structure of primitive objects in this specification with UML class diagram. Each object corresponds to each XML element. In this figure, arrows represent the source and destination between the referring objects. When an arrow has role names, it corresponds to an independent XML element associating the two objects. This figure doesn't include all the information of XML schema but the information on primitive elements.

 

Figure A-1: Primitive objects for representing planning and scheduling problems

 

B.   Cross reference of elements

The below table B-1 shows the relations between elements. The horizontal lines represent parent elements and the vertical lines represent child elements. Symbol * in the table means 0 or more than 0 element.

 

Table B-1 Element and sub-element relations

 

 


The following table B-2 shows the correspondence between elements and attributes. The horizontal lines show element names and the vertical lines show attribute names.  The characters in the table represent data types. The letters in the table are used as follows:  "U" for identification character of element, "P" for an identification character of other elements, "S" for the character string, "F" for a decimal number, "N" for a integer number, "T" for date time, "D" for duration and "B" means that the value is "true" or "false".  Boldface means required information.

Table B-2 Element and attribute relations

 

C.   Acknowledgements

The following individuals have participated in the creation of this specification and are gratefully acknowledged:

Participants:

Shinya Matsukawa, Hitachi

Tomohiko Maeda, Fujitsu

Masahiro Mizutani, Unisys Corporation

Akihiro Kawauchi, Individual Member

Yuto Banba, PSLX Forum

Osamu Sugi, PSLX Forum

Hideichi Okamune, PSLX Forum

Hiroshi KojimaPSLX Forum

Ken NakayamaHitachi

Yukio HamaguchiHitachi

Tomoichi SatoIndividual

Hiroaki SasakiIndividual

D.   Revision History

 

Revision

Date

Editor

Changes Made