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Focal Point Datatypes

This document describes the RDF vocabulary and resources for Focal Point data types (defined in the vocabulary with prefix fpdt:). Refer to Focal Point Vocabulary Prefixes for the list of all the vocabulary prefixes we use. This vocabulary is published at Focal Point Datatype Vocabulary.

See Focal Point Linked Data for information about the main Focal Point vocabulary.

High Level Design

There are two types of RDF graphs for Focal Point elements. We refer to as the generic and the natural graphs.

In the generic graph, each attribute of an element is represented as a single triple in which the subject is the URI of a fps:Element resource, the predicate is fps:memberAttribute, and the object is the URI of an fps:Attribute resource. Each fps:Attribute resource includes a single triple with predicate rdf:value and object a Focal Point datatype. This graph provides all the detail present in Focal Point and is useful for generic tools. However, this generic graph is not the one that a human designer would naturally create.

In the natural graph, each attribute of an element is represented as one or more triples in which the subject is the URI of the element resource, the predicate is URI associated with the name of the attribute, and the object is the natural one associated with the attribute. This datatype may be either a literal datatype, (e.g. xsd:integer, xsd:decimal, or xsd:boolean) or a URI to a resource whose RDF type is defined by either an external specification (e.g. FOAF or OSLC) or Focal Point (e.g. a fpdt:TimeGrid or fpdt:Matrix). The natural graph is intended to look like a typical RDF graph that might be found in an OSLC specification.

All Focal Point datatypes are subclasses of fpdt:Datatype. Most datatypes may be further classified into two groups which we refer to as the simple and the complex datatypes which correspond to subclasses fpdt:SimpleDatatype and fpdt:ComplexDatatype. An exception is fpdt:Mirror which adopts the datatype of the attribute that it mirrors.

The primary RDF values associated with the simple datatypes are given by triples that have predicate fpdt:value. A simple datatype may have zero or more fpdt:value triples. For example, fpdt:Heading always has zero fpdt:value triples and fpdt:MultiChoice may have more than one. The object of an fpdt:value triple is often a literal value or URI, but may also be a resource whose type is defined by Focal Point.

To summarize, in the natural representation of an element, if the datatype of an attribute is complex, then there is a single triple whose object is the complex datatype. Otherwise the datatype of the attribute is simple and there is one triple for each fpdt:value triple.

Usage of Literal Datatypes

Text is represented as plain text, not xsd:string, if it does not contain formatting markup, and as rdf:XMLLiteral if it does, in which case the markup should use XHTML. Integers are represented by xsd:integer. Decimal and floating point numbers are represented by xsd:decimal. Days of a calendar are represented by xsd:date and timestamps are represented by xsd:dateTime.

Focal Point Attribute Datatypes - Abstract Classes

The following classes are used to organize the set of Focal Point datatypes. They do not correspond to datatypes that an attribute may be assigned using the administrator user interface.

Type RDF Class RDF SuperClass Description
Complex Datatype fpdt:ComplexDatatype fpdt:Datatype The superclass of all Focal Point complex datatypes.
Datatype fpdt:Datatype n/a The superclass of all Focal Point datatypes.
Simple Datatype fpdt:SimpleDatatype fpdt:Datatype The superclass of all Focal Point simple datatypes.
Table fpdt:Table fpdt:ComplexDatatype The superclass of table-like datatypes, fpdt:Matrix and fpdt:Sheet.

fpdt:Datatype

fpdt:Datatype is the class of all Focal Point datatypes.

fpdt:SimpleDatatype

fpdt:SimpleDatatype is a subclass of fpdt:Datatype. There may be zero or more fpdt:value triples in a simple datatype resource. In the natural representation of elements, each fpdt:value triple maps to a corresponding triple whose subject is the element, predicate is the URI associated with the attribute, and object is the object of the fpdt:value triple. fpdt:value therefore acts as a placeholder for the property URI associated with the attribute.

fpdt:ComplexDatatype

fpdt:ComplexDatatype is a subclass of fpdt:Datatype. It contains all complex datatypes. A complex datatype never contains fpdt:value properties. A complex datatype appears in both the natural and the generic graphs.

Identifying Parts of a Complex Datatype Using URI References

In general, a complex datatype is a resource that has many properties and contains other subordinate resources. We identify a complex datatype resource and its subordinate resources using URI references. These are URIs that include a fragment identifier. The base of the URI is the URI of the parent fps:Attribute resource whose rdf:value is the complex datatype resource. For example, a fpdt:Matrix resource is identified by a URI reference <#matrix> that is relative to the parent fps:Attribute resource URI.

Representing Containment Relations Using Multivalued Membership Properties on the Parent Resources

We represent the containment relation between resources using a multivalued property on the parent resource. For example, a fpdt:Matrix contains rows and columns. These containment relations are represented by fpdt:row and fpdt:column properties on the matrix. The rows and columns are identified by URI references like <#row-1> and <#column-A>. This design enables easy navigation from the parent to the child and facilitates interactive exploration and understanding of the structure of the resource.

Representing Order Using Sort Key Properties on the Children Resources

In some cases the order of the children is significant. There is often a natural property of the child resource that can serve as a sort key. For example, it is natural to sort fpdt:ChangeEvent resources by their dcterms:modified property. When no such natural sort key is provided, the order must be represented explicitly. Although it is possible to represent an ordered list using rdf:List and rdf:Seq, both of these techniques make SPARQL queries more difficult to write. We therefore introduce an explicit sequence number property, e.g. fpdt:rowNo, where a sort key is needed to represent the order. We also use fpdt:i as a generic sequence number, normally starting from 1. The use of sort key properties is SPARQL query friendly, and allows for more than one sort key where the need arises. For example, it is useful to sort fpdt:Cell resources by both fpdt:rowNo and fpdt:columnNo.

fpdt:Table

fpdt:Table is a complex datatype that represents a rectangular array of cells. Each cell is the intersection of a row and a column. The rows and columns of the table may have headings. See FPDatatypeExamplesMatrix for an example.

Tables are identified as URI references like <#matrix>, <#sheet-1>. Columns are identified like <#column-A>, <#column-1-A>. Rows are identified like <#row-1>, <#row-1-1>. Cells are identified like <#cell-A-1>, <#cell-1-A-1>. The content of

Tables use the following classes:

Class Description
fpdt:Table A rectangular table of values.
fpdt:Column A column in a table.
fpdt:Row A row in a table.
fpdt:Cell A cell in a table.

Table, row, column, and cell resources are identified using URI references that are based on the URI of their parent fps:Attribute resource. fpdt:Table is used as the base class for fpdt:Matrix and fpdt:Sheet. The rows, columns, and cells of a table are organized into a containment hierarchy. A table contains columns and rows. A row contains cells.

Tables use the following properties:

Subject Type Predicate Object Type Description
fpdt:Table fpdt:row fpdt:Row Multivalued. A row that is contained in the table.
fpdt:Table fpdt:column fpdt:Column Multivalued. A column that is contained in the table.
fpdt:Column fpdt:columnNo xsd:integer The column number, starting from 1, within the table.
fpdt:Column rdfs:label plain text literal The column label, e.g. "A", "B" .
fdpt:Column rdf:value any The column heading, e.g. "Cost", "Revenue".
fpdt:Row fpdt:rowNo xsd:integer The row number, starting from 1, within the table.
fpdt:Row rdf:value any The row heading, e.g. "Q1", "Q2".
fpdt:Row fpdt:cell fpdt:Cell Mutlivalued. A cell that is contained in the row.
fpdt:Cell rdf:value any The value of the cell.
fpdt:Cell fpdt:rowNo xsd:integer The row number of the row that contains this cell.
fpdt:Cell fpdt:columnNo xsd:integer The column number of the column of this cell.

Focal Point Attribute Datatypes - Concrete Classes

The following classes are Focal Point datatypes that an attribute may be assigned via the administrator user interface. fpdt:History and fpdt:List have subclasses.

Focal Point supports the following datatypes as values of attributes:

Type RDF Class RDF SuperClass Description
Check box fpdt:CheckBox fpdt:SimpleDatatype A box that a member can select or clear to turn an option on or off.
Choice fpdt:Choice fpdt:SimpleDatatype A list of predefined items that a member may select a single item from (e.g. status).
Date fpdt:Date fpdt:SimpleDatatype A date value (for example 3/31/2010).
File fpdt:File fpdt:ComplexDatatype A document, image or other file in the database, or a list of such files. Maximum total size is 50 MB.
Float fpdt:Float fpdt:SimpleDatatype A real number that contains a fractional part (e.g. 3.14).
Heading fpdt:Heading fpdt:SimpleDatatype An attribute consisting only of a title, used primarily for layout purposes.
History fpdt:History fpdt:ComplexDatatype History can display attribute or element history for an element.
Incoming Links fpdt:IncomingLinks fpdt:SimpleDatatype A list of elements that link to this element.
Integer fpdt:Integer fpdt:SimpleDatatype A real number that contains no fractional part (e.g. 42).
Integration Link fpdt:IntegrationLink fpdt:SimpleDatatype A list of link OSLC resources residing in a different repository.
Link fpdt:Link fpdt:SimpleDatatype A link from one element to another. The target can be either in this workspace, or in another workspace.
List fpdt:List fpdt:ComplexDatatype A list is a collection of either text attributes or link attributes.
Lock fpdt:Lock fdpt:SimpleDatatype A selection of attributes that can be locked from editing. When the lock attribute is activated for an element the attributes selected in the lock attribute cannot be edited and the element cannot be deleted.
Matrix fpdt:Matrix fpdt:Table A matrix attribute consists of several text, float or integer attributes in a grid.
Mirror fpdt:Mirror fpdt:Datatype A mirrored value of another attribute in another element.
Multichoice fpdt:MultiChoice fpdt:SimpleDatatype A list of predefined items that a member may select multiple items from.
Text fpdt:Text fpdt:SimpleDatatype A text field where a member enters and edits text.
Time Grid fpdt:TimeGrid fpdt:ComplexDatatype Use this for calculations based on a time line.
URL fpdt:Url fpdt:SimpleDatatype A link to a specific resource on the Internet (e.g. http://www.ibm.com).
Unique id fpdt:UniqueId fpdt:SimpleDatatype A text field where the value must be unique. When new elements are created, the unique id attribute is automatically assigned a unique value.
Version fpdt:Version fpdt:SimpleDatatype A number or character that automatically increases based on changes in other attributes.

fpdt:CheckBox

fpdt:CheckBox is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:CheckBox fpdt:value boolean literal Is the box checked?
fpdt:CheckBox fpdt:text string literal Textual value for display purposes.

fpdt:Choice

fpdt:Choice is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:Choice fpdt:value item URI The URI of the selected item. There may be zero or one items selected.

fpdt:Date

fpdt:Date is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:Date fpdt:value xsd:dateTime literal The date-time value.

fpdt:File

fpdt:File is a complex datatype that contains a list of zero or more file attachments. Each attachment has a title, content type, and content length. See FPDatatypeExamplesFile for an example.

A fpdt:File resource should be identified by a URI reference <#file> based on the URI of its parent fps:Attribute resource.

Files use the following class:

Class Description
fpdt:Attachment A file attachment.

A fpdt:Attachment resource should be identified by a URI reference like <#attachment-1> based on the URI of its parent fps:Attribute resource.

Files use the following properties:

Subject Type Predicate Object Type Description
fpdt:File fpdt:attachment fpdt:Attachment Multivalued. A file attachment.
fpdt:Attachment fpdt:content resource URI The content of the attached file. An octet stream.
fpdt:Attachment fpdt:contentType plain text literal The content type of the attached file, e.g. "text/plain".
fpdt:Attachment fpdt:contentLength xsd:integer The length in bytes of the attached file, e.g. 4200.
fpdt:Attachment dcterms:title plain text literal The title of the attached file, e.g. "error.log".
fpdt:Attachment fpdt:i xsd:integer The position of the attachment in the list, starting from 1.

fpdt:Float

fpdt:Float is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:Float fpdt:value xsd:decimal The float value.

fpdt:Heading

fpdt:Heading is a simple datatype. It is a pseudo-attribute used for organizing other attributes. It has no primary value.

fpdt:History

fpdt:History is a complex datatype. It shows the change history of attribute values. Attributes must enable logging of changes in order for them to be included in a history attribute. The history attribute value may be either none, a graph, or a table. The table may contain a selected attribute or all the attributes of an element. These cases correspond to the following concrete subclasses of fpdt:History which is itself an abstract class:

Subclass Description
fpdt:HistoryNone No history is provided.
fpdt:HistoryGraph History of one or more numeric attributes is provided as a graph.
fpdt:HistoryAttributeTable History of one attribute is provided as a table.
fpdt:HistoryElementTable History of all attributes in an element is provided as a table.

fpdt:HistoryNone

fpdt:HistoryNone has no properties. This allows the user to turn off a history attribute without deleting it.

A fpdt:HistoryGraph resource should be identified by the URI reference <#historynone>. The URI reference is based on the URI of its parent fps:Attribute resource.

fpdt:HistoryGraph

fpdt:HistoryGraph is a graph that displays zero or more time series of numeric values. Each time series contains the historical values of an integer or float attribute, displayed as a line or bar graph, with on optional trend line. The graph is an image. The size of the image and the time range are controlled by the user. See FPDatatypeExamplesHistoryGraph for an example.

A fpdt:HistoryGraph resource should be identified by the URI reference <#historygraph>. The URI reference is based on the URI of its parent fps:Attribute resource.

Subject Type Predicate Object Type Description
fpdt:HistoryGraph fpdt:image URL of image The link to the image of the graph.
fpdt:HistoryGraph fpdt:size fpdt:Size The size of the graph.
fpdt:HistoryGraph fpdt:rangeFrom xsd:Date The start of the time range. This is either a fixed date of the value of some date attribute.
fpdt:HistoryGraph fpdt:rangeFromAttribute plain text literal Optional. If a date attribute is used to define the start of the range, this is its name.
fpdt:HistoryGraph fpdt:rangeTo xsd:Date The end of the time range. This is either a fixed date of the value of some date attribute.
fpdt:HistoryGraph fpdt:rangeToAttribute plain text literal Optional. If a date attribute is used to define the end of the range, this is its name.
fpdt:HistoryGraph fpdt:timeSeries fpdt:GraphTimeSeries A time series of numeric attribute history values. This is a multivalued property. The graph may contain zero or more time series.

fpdt:Size

ftdt:HistoryGraph uses the following enumerated resources:

Resource Class Description
fpdt:Small fpdt:Size Size small.
fpdt:Medium fpdt:Size Size medium.
fpdt:Large fpdt:Size Size large.

fpdt:GraphTimeSeries

fpdt:GraphTimeSeries is a series of numeric attribute history values displayed in a graph, with an optional trend line.

Each fpdt:GraphTimeSeries should be identified by a URI reference <#series-1>, <#series-2>, etc. where the number is a the sequence number of the time series within the graph. The URI reference is based on the URI of its parent fps:Attribute resource.

Subject Type Predicate Object Type Description
fpdt:GraphTimeSeries fpdt:i xsd:integer The sequence number of the series, starting from 1.
fpdt:GraphTimeSeries fpdt:forAttribute plain text literal The name of the attribute whose history is being graphed.
fpdt:GraphTimeSeries fps:property URI The property URI of the attribute whose history is being graphed.
fpdt:GraphTimeSeries fpdt:displayType fpdt:DisplayType The display type of the graph.
fpdt:GraphTimeSeries fpdt:sampleInterval fpdt:TimeInterval Optional. If absent then all of the history values within the range are graphed. If present, then only the most recent value within the specified time interval is graphed.
fpdt:GraphTimeSeries fpdt:trendLine fpdt:TrendLine Optional. If present, a trend line is included in the graph.
fpdt:GraphTimeSeries fpdt:changeEvent fpdt:ChangeEvent Multivalued. The set of change events determined by the date range and the sample interval.

ftdt:GraphTimeSeries uses the following enumerated resources:

Resource Class Description
fpdt:Bar fpdt:DisplayType Display as bar chart.
fpdt:Line fpdt:DisplayType Display as line chart.
fpdt:Year fpdt:TimeInterval A year.
fpdt:Quarter fpdt:TimeInterval A quarter of a year.
fpdt:Month fpdt:TimeInterval A month.
fpdt:Week fpdt:TimeInterval A week.
fpdt:Day fpdt:TimeInterval A day.

fpdt:TrendLine

fpdt:TrendLine is a straight line that is fitted to the time series of historical values of an attribute.

Each fpdt:TrendLine should be identified by a URI reference <#trendline-1>, <#trendline-2>, etc. where the number corresponds to its fpdt:TimeSeries resource. The URI reference is based on the URI of its parent fps:Attribute resource.

Subject Type Predicate Object Type Description
fpdt:TrendLine fpdt:valueFrom xsd:double The value of the trend line at the start of the range.
fpdt:TrendLine fpdt:valueTo xsd:double The value of the trend line at the end of the range.
fpdt:TrendLine fdtp:fitToRange xsd:boolean True if the trend line is computed for historical values within the range of the graph. Otherwise, the trend line is fitted to all historical values.

fpdt:ChangeEvent

fpdt:ChangeEvent represents a single change of some attribute. For graphs, the change event contains the time of the event and the new value of the attribute.

Each fpdt:ChangeEvent should be identified by a URI reference <#event-1-1>, <#event-1-2>, etc. where the first number corresponds to its fpdt:TimeSeries resource and the second number is the sequence number of the event within the time series. The URI reference is based on the URI of its parent fps:Attribute resource.

Subject Type Predicate Object Type Description
fpdt:ChangeEvent dcterms:modified xsd:dateTime The time of the change event.
fpdt:ChangeEvent rdf:value xsd:integer or xsd:double The new value of the changed attribute.

fpdt:HistoryAttributeTable

fpdt:HistoryAttributeTable is a complex datatype that contains a series of change events for a given attribute. The attribute must enable change logging in order to appear in a fpdt:HistoryAttributeTable. See FPDatatypeExamplesHistoryAttributeTable for an example.

A fpdt:HistoryAttributeTable resource should be identified by the URI reference <#historyattributetable>. The URI reference is based on the URI of its parent fps:Attribute resource.

Subject Type Predicate Object Type Description
fpdt:HistoryAttributeTable fpdt:forAttribute plain text literal The name of the attribute whose history is being provided.
fpdt:HistoryAttributeTable fps:property URI The property URI of the attribute whose history is being graphed.
fpdt:HistoryAttributeTable fpdt:includeLast 10 or 20 Optional. If absent include all change events. If present include last 10 or 20 change events.
fpdt:HistoryAttributeTable fpdt:changeEvent fpdt:ChangeEvent Multivalued. The set of change events determined by the last limit if present.

fpdt:ChangeEvent

Each fpdt:ChangeEvent should be identified by a URI reference <#event-1>, <#event-2>, etc. where the number is the sequence number of the event within the table, oldest first. The URI reference is based on the URI of its parent fps:Attribute resource.

Subject Type Predicate Object Type Description
fpdt:ChangeEvent dcterms:modified xsd:dateTime The time of the change event.
fpdt:ChangeEvent fps:modifiedBy foaf:Person The URI of the user that modified the attribute.
fpdt:ChangeEvent rdf:value any The new value of the changed attribute.

fpdt:HistoryElementTable

fpdt:HistoryElementTable is a complex datatype that contains a series of change events for all the attributes of an element. Only the attributes that have enabled change logging will appear in a fpdt:HistoryElementTable.

A fpdt:HistoryElementTable resource should be identified by the URI reference <#historyelementtable>. The URI reference is based on the URI of its parent fps:Attribute resource.

Its structure is very similar to fpdt:HistoryAttributeTable. See FPDatatypeExamplesHistoryElementTable for an example.

Subject Type Predicate Object Type Description
fpdt:HistoryElementTable fpdt:includeLast 10 or 20 Optional. If absent include all change events. If present include last 10 or 20 change events.
fpdt:HistoryElementTable fpdt:changeEvent fpdt:ChangeEvent Multivalued. The set of change events determined by the last limit if present.

fpdt:ChangeEvent

Each fpdt:ChangeEvent should be identified by a URI reference <#event-1>, <#event-2>, etc. where the number is the sequence number of the event within the table, newest first. The URI reference is based on the URI of its parent fps:Attribute resource.

Subject Type Predicate Object Type Description
fpdt:ChangeEvent dcterms:modified xsd:dateTime The time of the change event.
fpdt:ChangeEvent fps:modifiedBy foaf:Person The URI of the user that modified the attribute.
fpdt:ChangeEvent fps:property URI The property URI of the changed attribute.
fpdt:ChangeEvent rdf:value any The new value of the changed attribute.

fpdt:IncomingLinks

fpdt:IncomingLinks is a simple datatype. It is the set of incoming links from other elements. There may be zero or more incoming links.

Subject Type Predicate Object Type Description
fpdt:IncomingLinks fpdt:value element URI The URI of an element that links to this element.

fpdt:Integer

fpdt:Integer is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:Integer fpdt:value xsd:integer The integer value.

fpdt:IntegrationLink

fpdt:IntegrationLink is a simple datatype. It is a link to another resource.

Subject Type Predicate Object Type Description
fpdt:IntegrationLink fpdt:value resource URI The URI of the resource that this element links to.

fpdt:Link

fpdt:Link is a simple datatype. It is a link to another element.

Subject Type Predicate Object Type Description
fpdt:Link fpdt:value element URI The URI of the element that this element links to.

fpdt:List

fpdt:List is a base datatype. Lists may contain either text or links to other elements. These are represented by concrete subclasses.

fpdt:LinkList

fpdt:LinkList is a simple datatype. It is subclass of fpdt:List that contains a set of zero or more links to other elements. See FPDatatypeExamplesLinkList for an example.

Subject Type Predicate Object Type Description
fpdt:LinkList fpdt:value element URI Multivalued. The URI of the element that this element links to.

fpdt:TextList

fpdt:TextList is a simple datatype. It is a subclass of fpdt:List that contains a set of zero or more entries. Each entry contain text, the timestamp of the entry, and the user who made the entry. See FPDatatypeExamplesTextList for an example.

Note that although fpdt:TextList is structurally similar to oslc:Discussion, their semantics are different since comments posted to a discussion are assumed to be immutable. In contrast, text list entries can be freely added, deleted, and modified.

Subject Type Predicate Object Type Description
fpdt:TextList fpdt:value fpdt:TextEntry Multivalued. The resource that contains the text entry.

fpdt:TextEntry

fpdt:TextEntry is a mutable text entry in an ordered list.

Each fpdt:TextEntry should be identified by a URI reference <#entry-1>, <#entry-2>, etc. where the number is the sequence number of the entry within the list. The URI reference is based on the URI of its parent fps:Attribute resource.

Subject Type Predicate Object Type Description
fpdt:TextEntry dcterms:description XMLLiteral The XHTML text of the entry.
fpdt:TextEntry dcterms:created xsd:dateTime The timestamp of when the entry was created.
fpdt:TextEntry dcterms:contributor foaf:Person The user that created the entry.
fpdt:TextEntry dcterms:modified xsd:dateTime The timestamp of when the entry was last modified.
fpdt:TextEntry fps:modifiedBy foaf:Person The user that last modified the entry.
fpdt:TextEntry fpdt:i xsd:integer The sequence number, starting with 1, of the entry within the list.

fpdt:Lock

fpdt:Lock is a simple datatype. When set to true it prevents deletion of the element or modification of a configured set of attributes.

Subject Type Predicate Object Type Description
fpdt:Lock fpdt:value xsd:boolean literal true when the element is locked.

fpdt:Matrix

fpdt:Matrix is a complex datatype. It is a subclass of fpdt:Table. See FPDatatypeExamplesMatrix for an example.

fpdt:Mirror

fpdt:Mirror inherits the datatype of the attribute that it mirrors.

fpdt:MultiChoice

fpdt:MultiChoice is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:MultiChoice fpdt:value item URI The URI of the selected item. There may be zero or more items selected.

fpdt:Text

fpdt:Text is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:Text fpdt:value rdf:XMLLiteral literal One of more lines of text formatted as XHTML.
fpdt:Text fpdt:text plain text literal One or more lines of plain text.

fpdt:TimeGrid

TimeGrid is a complex datatype. See FPDatatypeExamplesTimeGrid for an example.

A timegrid has one or more sheets. Each sheet is a table in which the columns represent time periods.

Each sheet in a time grid has a name, start date, end date, time interval, and scenario type. The time interval and scenario type take values from an enumerated set of allowed values.

Each row of a time grid may be a summary, heading, locked, benefit, or cost, and may have a unit.

fpdt:TimeGrid uses the following classes:

Class Description
fpdt:Sheet The set of time grid sheets. A sheet is a table with additional properties. This class is a subclass of fpdt:Table.
fpdt:TimeInterval The set of allowed time intervals in a time grid.
fpdt:ScenarioType The set of allowed scenario types in a time grid.

fpdt:TimeGrid uses the following enumerated values:

Resource Class Description
fpdt:Month fpdt:TimeInterval A time interval of one month.
fpdt:Quarter fpdt:TimeInterval A time interval of one quarter.
fpdt:Year fpdt:TimeInterval A time interval of one year.
fpdt:High fpdt:ScenarioType The scenario estimates the high value.
fpdt:Likely fpdt:ScenarioType The scenario estimates the most likely value.
fpdt:Low fpdt:ScenarioType The scenario estimates the low value.
fpdt:Actual fpdt:ScenarioType The scenario gives the actual value.

fpdt:TimeGrid uses the following properties:

Subject Type Predicate Object Type Description
fpdt:TimeGrid fpdt:sheet fpdt:Sheet A sheet that is contained in this time grid.
fpdt:Sheet fpdt:i xsd:integer The sequence number of the sheet within the timegrid, starting with 1.
fpdt:Sheet rdfs:label plain text literal The name of this sheet.
fpdt:Sheet fpdt:timeInterval fpdt:TimeInterval The time interval used for this sheet.
fpdt:Sheet fpdt:startDate xsd:date The start date of this sheet.
fpdt:Sheet fpdt:endDate xsd:date The end date of this sheet.
fpdt:Sheet fpdt:scenarioType fpdt:ScenarioType Optional. The scenario type of this scheet. If absent then the scenario type is unset.
fpdt:Row fpdt:isSummary xsd:boolean true if the row is a summary.
fpdt:Row fpdt:isHeading xsd:boolean true if the row is a heading.
fpdt:Row fpdt:isLocked xsd:boolean true if the row is locked.
fpdt:Row fpdt:isBenefit xsd:boolean true if the row is a benefit. false if the row is a cost.
fpdt:Row fpdt:unit plain text literal The unit of measure for this row.

fpdt:Url

fpdt:Url is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:Url fpdt:value resource URL A URL that this element links to.

fpdt:UniqueId

fpdt:UniqueId is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:UniqueId fpdt:value plain text literal The unique id of this element within this module, e.g. "106".

fpdt:Version

fpdt:Version is a simple datatype.

Subject Type Predicate Object Type Description
fpdt:Version fpdt:value plain text literal The version of this element, e.g. "2.4".

Examples

These examples are provided for purposes of illustration. We have tried to keep them consistent with the specification, but some inconsistencies may exist. In these cases, the specification is the authoritative source of information.

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