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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/ns/pps/2009

Abstract:

OASIS PPS (Production Planning and Scheduling) specifications deal with problems of decision-making in all manufacturing companies who want to have a sophisticated information system for production planning and scheduling. PPS specifications provide XML schema and communication protocols for information exchange among manufacturing application programs in the web-services environment. Part 1: Core Element especially focuses on information model of core elements which can be used as ontology in the production planning and scheduling domain. Since the elements have been designed without particular 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.

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

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The names "OASIS", PPS are trademarks of OASIS, the owner and developer of this specification, and should be used only to refer to the organization and its official outputs. OASIS welcomes reference to, and implementation and use of, specifications, while reserving the right to enforce its marks against misleading uses. Please see http://www.oasis-open.org/who/trademark.php for above guidance.

 

1        Introduction. 6

1.1 Terminology. 6

1.2 Normative References. 6

1.3 Non-Normative References. 6

1.4 Terms and definitions. 6

2        Primitive Elements. 8

2.1 Structure of primitive elements. 8

2.2 List of primitive elements. 9

2.2.1 Party element 9

2.2.2 Plan element 10

2.2.3 Order element 10

2.2.4 Item element 10

2.2.5 Resource element 10

2.2.6 Process element 11

2.2.7 Lot element 11

2.2.8 Task element 11

2.2.9 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 13

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 element 17

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 element 19

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 element 21

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 element 23

8        Data Elements. 24

8.1 Qty element 24

8.2 Char element 24

8.3 Time element 25

9        Conformance. 27

A.      Object Class diagram.. 28

B.      Cross reference of elements. 29

C.      Acknowledgements. 31

D.      Revision History. 32

 

 

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

If information is exchanged between production planning and scheduling applications, 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 and sites, and detailed scheduling within an individual area and work-centers.

The scope of this specification doesn’t include 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 Normative References

[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]                  OASIS Public Review Draft 03, PPS (Production Planning and Scheduling) Part 2: Transaction Messages, Version 1.0,  http://docs.oasis-open.org/pps/v1.0/pr03/pps-transaction-messages-1.0.pdf            

[PPS03]                  OASIS Public Review Draft 03, PPS (Production Planning and Scheduling) Part 3: Profile Specifications, Version 1.0, http://docs.oasis-open.org/pps/v1.0/pr03/pps-profile-specifications-1.0.pdf

 

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 Terms and definitions

Plan

Unit for intensive information of related orders corresponding to a specific period on a discrete time scale, or calculated information based on the schedule under the related orders.  This can represent actual results when the related events have been occurred.

Order

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

Party

Customer who is a sender of an order and has a demand to make a decision, or supplier who 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 activities.  The quantity or the quality of item is changed during the production activity. Examples include product, parts, module, unit, work in process and materials.

Resource

Object that can provide essential function for production activities.  The capacity of function is used during production activity, and is available again after finishing the production. Examples include equipment, machine, device, labor and tool.

Process

Segment of production activities indicating a certain production line or method.  This takes duration from start time to end time, and gives added value to the producing item.  One process may have two or more than two processes detailed in the lower levels.

Lot

Instance of a specific volume of 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 volume is equal to the quantity of item produced or consumed by the operation.

Task

Unit of necessity to execute a specific operation at a specific time, indicating the volume of used capability provided by the applicable resource. This can represent both capacity value provided by resource at a specific time point, and 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 particular processes in production activities.

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.

 

 

·           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 SHOULD represent 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 SHOULD represent the identifier of the resource associated with this element.

·           process attribute SHOULD represent 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 SHOULD represent 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.

2.2 List of primitive elements

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

 

 

2.2.1 Party element

Party element represents a customer or a supplier. Customer is an object that requests some products or services to the enterprise.  The requests are sent to a person who is in charge of production planning and scheduling.  Supplier is an object providing some products or services to the enterprise.  Supplier receives orders form the enterprise, and provides corresponding items, resources or processes for the enterprise.

2.2.2 Plan element

Plan element represents a value planned for particular products or services. The value shows volume of the products or services required or resulted during certain period of time. Typical cases of planning period  include day, week and month.

2.2.3 Order element

Order element represents an object of information produced to request some products or services.  Order is source to create production orders that are finally dispatched to the plant floor.  Orders can be divided into inventory order, capacity order and production order according to the type of request. 

 

Example: Ten “A” products are requested.

Example: Three labors in group “B” are requested.

Example: Switching operation is requested two times.

Example:  Order which consist of 10 of “A” and 5 of “B” is totally 3,000 yen.

 

2.2.4 Item element

Item element represents a product, component, parts, work in process (WIP), raw material and other items.  Item is produced by any processes, and after that, it is consumed by another processes.  Lot is an instance of the corresponding item.

2.2.5 Resource element

Resource element represents a resource, which is an object enabling production, transportation, storage, inspection and other various services.  As resource can produce tasks to execute operations, it  is assigned to an operation by considering its volume of capacity.

2.2.6 Process element

Process element represents a process that has a function to produce value.  Process can be defined as a segment of activities in production process. It produces and consumes production items by being executed during certain period of time.

2.2.7 Lot element

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 date and time.  Lot is produced by an operation and finally consumed by another operation or discarded. 

2.2.8 Task element

Task element represents a task, which is an object showing the usage of a specific resource capability for a specific period of time.  Schedule may request a certain volume of task for each resource assigned to execute the appropriate operations. 

 

Example: Task corresponding to the volume that 3 labors work load is required for 2 days

 

2.2.9 Operation element

Operation element represents a segment of activities that is actually dispatched to plant floor.  Operation identifies an executable function at a specific place on a plant floor for a specific time.  Operation is associated with a specific lot and task by executing those activities. 

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.

 

 

·           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.

·           apply attribute SHOULD represent application type of this element. This element is a disjunctive (OR) content under the parent element, if the attribute value is "disjunctive ".

·           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 SHOULD represent the identifier of the resource associated with this element.

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

 

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

·           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.

·           Time element SHOULD represent the time of this element.

 

3.2 List of relational elements

This part of specifications defines five relational elements: Compose, Produce, Consume, Assign, and Relation. Relational element defines relationship between the parent element and those that characterize the element. The type of this element SHOULD be represented with the following XML schema.

 

 

3.2.1 Compose element

Compose element defines a hierarchical relation between the parent element and another same primitive element that addresses one level upper or lower than the target element.  This element can represent that the object referred to in this element composes or be composed by the parent element.

 

Example: Product “A” family includes product “A1” and product “A2”.

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

Example: 2 of parts “C1” are used for product “B1”, and 5 of parts “C1” are used for product “B2”.

 

3.2.2 Produce element

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

3.2.3 Consume element

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

3.2.4 Assign element

Assign element defines a relation between processes and resources, or a relation between operations and tasks. This element can show the volume of capacity provided by the resource or task assigned for the process or operation respectively, or how many resources or tasks are used.

3.2.5 Relation element

Relation element can show that the parent element has a specific relation to other primitive elements.  This element can additionally define relational classes between primitive elements.  Examples include precedence relations and pegging relations.

4.1 Structure of specific element

Specific elements are defined to represent any properties of the primitive element. This element MAY be described more than once on the same parent element if the value is historical. Those multiple properties have time stamp. The type of this element SHOULD be represented with the following XML schema and SHOULD fulfill the following constraints.

 

 

·           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.

·           apply attribute SHOULD represent application type of this element. Specification of the element is relative, if the value is “relative “.

 

·           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.

·           Time element SHOULD represent the time of this element.

 

4.2 List of specific elements

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

 

 

4.2.1 Location element

Location element represents a location. When the expression of location has structure, multiple values can be set by describing different names of the data.  Change of the location depending on time can also be represented by multiple values.

 

Example: Customer’s address

 

4.2.2 Capacity element

Capacity element represents volume of capability provided by resources, items or processes. In the case of resource capability, it may show available amount of corresponding tasks. In the case of Items, it shows the available amount of Lots. And for Processes, it shows maximum ratio of production. All of this information is represented in a time horizon.

 

Example: Inventory level of “material01”

Example: Temporal change of the material

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

 

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 values. 

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.

5.1 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.

 

 

·           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.

·           apply attribute SHOULD represent application type of this element. The condition of this element is exclusive, if the value is “exclusive”.

·           condition attribute SHOULD represent the condition of this element.

·           value attribute SHOULD represent the qualitative value 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.

·           Time element SHOULD represent the time of this element.

 

5.2 List of eventual elements

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

 

 

5.2.1 Start element

Start element represents a start event of orders, processes or operations.  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 orders, processes or operations. 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 associated with a customer, supplier, item, resource, process 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.

 

6.1 Structure of Accounting element

Accounting element represents any accounting information such as profit revenue and cost spending. Price and cost associated with 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.

 

 

·           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.

·           apply attribute SHOULD represent application type of this element. The condition of this element is exclusive, if the value is “exclusive”.

·           condition attribute SHOULD represent the condition of this element.

·           value attribute SHOULD represent the qualitative value 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 quantitative value of this element.

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

·           Time element SHOULD represent the temporal value of this element.

 

6.2 List of accounting elements

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

 

 

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.  

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. 

 

7.1 Structure of Administrative Elements

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

 

 

·           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.

·           apply attribute SHOULD represent application type of this element. The condition of this element is exclusive, if the value is “exclusive”.

·           condition attribute SHOULD represent the condition of this element.

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

 

·           Qty element SHOULD represent the quantitative value of this element.

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

·           Time element SHOULD represent the temporal value of this element.

 

7.2 List of Administrative Elements

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

 

 

7.2.1 Priority element

Priority element represents the priority of the primitive element or the parent element.  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 the parent element. 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 of the parent element. 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.

8.1 Qty element

Qty element SHOULD represent quantitative information. This element can be used to represent the quantitative numerical data by decimal type data format.  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.

 

 

·           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.

·           apply attribute SHOULD represent application type of this element. The condition of this element is exclusive, if the value is “exclusive”.

·           condition attribute SHOULD represent the condition of this element.

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

·           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

Example:  3 weeks (discrete time scale)

 

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.

 

 

·           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.

·           apply attribute SHOULD represent application type of this element. The condition of this element is exclusive, if the value is “exclusive”.

·           condition attribute SHOULD represent the condition of this element.

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

·           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 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.

 

 

·           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.

·           apply attribute SHOULD represent application type of this element. The condition of this element is exclusive, if the value is “exclusive”.

·           condition attribute SHOULD represent the condition of this element.

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

·           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

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

 

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-schema-1.0.xsd

 

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

 

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

 

Table B-1 shows the relations between elements. The row headers represent parent elements and the column headers represent child elements. Symbol * in the table means 0 or more than 0 element can be described.

 

Table B-1 Element and sub-element relations

 

 

 

The following table B-2 shows the correspondence between elements and attributes. The row headers show the element name, and the column headers show attribute the name. The characters in the table represent data types. The character in the table are used as follows:  “U” denotes identification character of element, “P” denotes an identification character of referencing elements, “S” denotes the character string, “D” denotes a decimal number, “N” denotes an integer number and “T” for date time.  Boldface means required information.

 

Table B-2 Element and attribute relations

 

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 Kojima，PSLX Forum

Ken Nakayama，Hitachi

Yukio Hamaguchi，Hitachi

Tomoichi Sato，Individual

Hiroaki Sasaki，Individual

 

Revision	Date	Editor	Changes Made
01		Y.Nishioka