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This document describes SPARQL service description, a method for discovering, and vocabulary for describing SPARQL services made available via the SPARQL 1.1 Protocol for RDF [SPROT]. These descriptions provide a mechanism by which a client or end user can discover information about the SPARQL service such as supported extension functions and details about the available dataset.
This section describes the status of this document at the time of its publication. Other documents may supersede this document. A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at http://www.w3.org/TR/.
This document is a Last Call Working Draft. Publication as a Last Call Working Draft indicates that the SPARQL Working Group believes it has addressed all substantive issues and that the document is stable. The Working Group expects to advance this specification to Recommendation Status.
The end date of the Last Call review period is 02 February 2012, i.e., comments on this working draft are due on or before this date.
The set of SPARQL documents comprises:
Comments on this document should be sent to public-rdf-dawg-comments@w3.org, a mailing list with a public archive. Questions and comments about SPARQL that are not related to this specification, including extensions and features, can be discussed on the mailing list public-sparql-dev@w3.org, (public archive).
This document was produced by the SPARQL Working Group, which is part of the W3C Semantic Web Activity.
Publication as a Working Draft does not imply endorsement by the W3C Membership. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. It is inappropriate to cite this document as other than work in progress.
This document was produced by a group operating under the 5 February 2004 W3C Patent Policy. W3C maintains a public list of any patent disclosures made in connection with the deliverables of the group; that page also includes instructions for disclosing a patent. An individual who has actual knowledge of a patent which the individual believes contains Essential Claim(s) must disclose the information in accordance with section 6 of the W3C Patent Policy.
Since the publication of the previous working draft of this document, the primary changes are as follows.
@@@ Chicago, Vancouver, Mountain View, Edinburgh, et al.: World-Wide Web Consortium, XML Working Group, 1996, 1997, 2000, 2006, 2008.
Created in electronic form.
$Id: xmlspec.xml,v 1.88 2013/03/20 17:47:29 sandro Exp $
A SPARQL service description lists the features of a SPARQL service made available via the SPARQL 1.1 Protocol for RDF [SPROT]. This document describes both a method for discovering a service description from a specific SPARQL service and an RDF schema for encoding such descriptions in RDF.
When this document uses the words &MUST;, &SHOULD; and &MAY;, and the words appear as emphasized text, they must be interpreted as described in [RFC2119].
The following terms are also in use throughout this document:
SPARQL services made available via the SPARQL Protocol &SHOULD; return a service description document at the service endpoint when dereferenced using the HTTP GET operation without any query parameter strings provided. This service description &MUST; be made available in an RDF serialization, &MAY; be embedded in (X)HTML by way of RDFa [RDFA], and &SHOULD; use content negotiation [CONNEG] if available in other RDF representations.
The SPARQL service description namespace IRI is:
http://www.w3.org/ns/sparql-service-description#
The prefix used in this document for this namespace is sd.
An RDF encoding of the Service Description ontology is available by HTTP content negotiation from the namespace IRI.
Relates an instance of sd:Service to a SPARQL endpoint that implements the SPARQL Protocol service [SPROT] for the service. The object of the sd:endpoint property is an IRI.
| type: | owl:InverseFunctionalProperty |
|---|---|
| domain: | sd:Service |
Relates an instance of sd:Service with a resource representing a supported feature.
| domain: | sd:Service |
|---|---|
| range: | sd:Feature |
Relates an instance of sd:Service with a resource representing an entailment regime used for basic graph pattern matching. This property is intended for use when a single entailment regime by default applies to all graphs in the default dataset of the service. In situations where a different entailment regime applies to a specific graph in the dataset, the sd:entailmentRegime property should be used to indicate this fact in the description of that graph.
| subPropertyOf: | sd:feature |
|---|---|
| domain: | sd:Service |
| range: | sd:EntailmentRegime |
Relates a named graph description with a resource representing an entailment regime used for basic graph pattern matching over that graph.
| domain: | sd:NamedGraph |
|---|---|
| range: | sd:EntailmentRegime |
Relates an instance of sd:Service with a resource representing a supported profile of the default entailment regime (as declared by sd:defaultEntailmentRegime). Entailment profiles are discussed more in SPARQL 1.1 Entailment Regimes [SPARQLENT].
Note that this specification does not make any conformance requirements on the compatibility of an advertised entailment profile with the advertised entailment regime in a service description. Providing a reasonable combination of values to the sd:entailmentRegime/sd:defaultEntailmentRegime and sd:supportedEntailmentProfile/sd:defaultSupportedEntailmentProfile properties is up to the creator of a service description.
| subPropertyOf: | sd:feature |
|---|---|
| domain: | sd:Service |
| range: | sd:EntailmentProfile |
Relates a named graph description with a resource representing a supported profile of the entailment regime (as declared by sd:entailmentRegime) used for basic graph pattern matching over that graph.
| domain: | sd:NamedGraph |
|---|---|
| range: | sd:EntailmentProfile |
Relates an instance of sd:Service to a function that may be used in a SPARQL SELECT expression or a FILTER, HAVING, GROUP BY, ORDER BY, or BIND clause.
| subPropertyOf: | sd:feature |
|---|---|
| domain: | sd:Service |
| range: | sd:Function |
Relates an instance of sd:Service to an aggregate that may be used in a SPARQL aggregate query (for instance in a HAVING clause or SELECT expression) besides the standard list of supported aggregates COUNT, SUM, MIN, MAX, AVG, GROUP_CONCAT, and SAMPLE.
| subPropertyOf: | sd:feature |
|---|---|
| domain: | sd:Service |
| range: | sd:Aggregate |
Relates an instance of sd:Service to a resource representing an implemented extension to the SPARQL Query or Update language.
| subPropertyOf: | sd:feature |
|---|---|
| domain: | sd:Service |
| range: | sd:Feature |
Relates an instance of sd:Service to a SPARQL language (e.g. Query and Update) that it implements.
| subPropertyOf: | sd:feature |
|---|---|
| domain: | sd:Service |
| range: | sd:Language |
Relates an instance of sd:Service to a resource representing an implemented feature that extends the SPARQL Query or Update language and that is accessed by using the named property.
| subPropertyOf: | sd:feature |
|---|---|
| domain: | sd:Service |
| range: | sd:Feature |
Relates an instance of sd:Service to a description of the default dataset available when no explicit dataset is specified in the query, update request or via protocol parameters.
| type: | owl:InverseFunctionalProperty |
|---|---|
| domain: | sd:Service |
| range: | sd:Dataset |
Relates an instance of sd:Service to a description of the graphs which are allowed in the construction of a dataset via the SPARQL Protocol, with FROM/FROM NAMED clauses in a query, or with USING/USING NAMED in an update request, if the service limits the scope of dataset construction.
| domain: | sd:Service |
|---|---|
| range: | sd:GraphCollection |
Relates an instance of sd:Service to a format that is supported for serializing query results.
URIs for commonly used serialization formats are defined by Unique URIs for File Formats. For formats that do not have an existing URI, the <http://www.w3.org/ns/formats/media_type> and <http://www.w3.org/ns/formats/preferred_suffix> properties defined in that document &SHOULD; be used to describe the format.
| domain: | sd:Service |
|---|---|
| range: | <http://www.w3.org/ns/formats/Format> |
Relates an instance of sd:Service to a format that is supported for parsing RDF input; for example, via a SPARQL 1.1 Update LOAD statement, or when URIs are dereferenced in FROM/FROM NAMED/USING/USING NAMED clauses (see also sd:DereferencesURIs below).
URIs for commonly used serialization formats are defined by Unique URIs for File Formats. For formats that do not have an existing URI, the <http://www.w3.org/ns/formats/media_type> and <http://www.w3.org/ns/formats/preferred_suffix> properties defined in that document &SHOULD; be used to describe the format.
| domain: | sd:Service |
|---|---|
| range: | <http://www.w3.org/ns/formats/Format> |
Relates an instance of sd:Dataset to the description of its default graph.
| domain: | sd:Dataset |
|---|---|
| range: | sd:Graph |
Relates an instance of sd:GraphCollection (or its subclass sd:Dataset) to the description of one of its named graphs. The description of such a named graph &MUST; include the sd:name property and &MAY; include the sd:graph property.
| domain: | sd:GraphCollection |
|---|---|
| range: | sd:NamedGraph |
Relates a named graph to the name by which it may be referenced in a FROM/FROM NAMED clause. The object of the sd:name property is an IRI.
| domain: | sd:NamedGraph |
|---|
Relates a named graph to its graph description.
| domain: | sd:NamedGraph |
|---|---|
| range: | sd:Graph |
An instance of sd:Service represents a SPARQL service made available via the SPARQL Protocol.
| type: | rdfs:Class |
|---|
An instance of sd:Feature represents a feature of a SPARQL service. Specific types of features include functions, aggregates, languages, and entailment regimes and profiles. This document defines five instances of sd:Feature: sd:DereferencesURIs, sd:UnionDefaultGraph, sd:RequiresDataset, sd:EmptyGraphs, and sd:BasicFederatedQuery.
| type: | rdfs:Class |
|---|
An instance of sd:Language represents one of the SPARQL languages, including specific configurations providing particular features or extensions. This document defines three instances of sd:Language: sd:SPARQL10Query, sd:SPARQL11Query, and sd:SPARQL11Update.
| type: | rdfs:Class |
|---|---|
| subClassOf: | sd:Feature |
An instance of sd:Function represents a function that may be used in a SPARQL SELECT expression or a FILTER, HAVING, GROUP BY, ORDER BY, or BIND clause.
| type: | rdfs:Class |
|---|---|
| subClassOf: | sd:Feature |
An instance of sd:Aggregate represents an aggregate that may be used in a SPARQL aggregate query (for instance in a HAVING clause or SELECT expression) besides the standard list of supported aggregates COUNT, SUM, MIN, MAX, AVG, GROUP_CONCAT, and SAMPLE.
| type: | rdfs:Class |
|---|---|
| subClassOf: | sd:Feature |
An instance of sd:EntailmentRegime represents an entailment regime used in basic graph pattern matching (as described by SPARQL 1.1 Query Language). URIs for commonly used entailment regimes are defined by Unique URIs for Semantic Web Entailment Regimes [ENTAILMENT].
| type: | rdfs:Class |
|---|---|
| subClassOf: | sd:Feature |
An instance of sd:EntailmentProfile represents a profile of an entailment regime. An entailment profile &MAY; impose restrictions on what constitutes valid RDF with respect to entailment. URIs for commonly used entailment profiles are defined by Unique URIs for OWL 2 Profiles [OWL2PROF].
| type: | rdfs:Class |
|---|---|
| subClassOf: | sd:Feature |
An instance of sd:GraphCollection represents a collection of zero or more named graph descriptions. Each named graph description belonging to an sd:GraphCollection &MUST; be linked with the sd:namedGraph predicate.
| type: | rdfs:Class |
|---|
An instance of sd:Dataset represents a RDF Dataset comprised of a default graph and zero or more named graphs.
The default graph of an sd:Dataset &MUST; be linked with the sd:defaultGraph predicate.
| type: | rdfs:Class |
|---|---|
| subClassOf: | sd:GraphCollection |
An instance of sd:Graph represents the description of an RDF graph.
This document does not define properties with domain sd:Graph. Instead, such instances may be described using other appropriate vocabularies (see example below).
| type: | rdfs:Class |
|---|
An instance of sd:NamedGraph represents a named graph having a name (via sd:name) and an optional graph description (via sd:graph).
| type: | rdfs:Class |
|---|
sd:SPARQL10Query is an sd:Language representing the SPARQL 1.0 Query language [QUERY10].
| type: | sd:Language |
|---|
sd:SPARQL11Query is an sd:Language representing the SPARQL 1.1 Query language [QUERY11].
| type: | sd:Language |
|---|
sd:SPARQLUpdate is an sd:Language representing the SPARQL 1.1 Update language [UPDATE11].
| type: | sd:Language |
|---|
sd:DereferencesURIs, when used as the object of the sd:feature property, indicates that a SPARQL service will dereference [AWWW] URIs used in FROM/FROM NAMED and USING/USING NAMED clauses and use the resulting RDF in the dataset during query evaluation.
| type: | sd:Feature |
|---|
sd:UnionDefaultGraph, when used as the object of the sd:feature property, indicates that the default graph of the dataset used during query and update evaluation (when an explicit dataset is not specified) is comprised of the union of all the named graphs in that dataset.
| type: | sd:Feature |
|---|
sd:RequiresDataset, when used as the object of the sd:feature property, indicates that the SPARQL service requires an explicit dataset declaration (based on either FROM/FROM NAMED clauses in a query, USING/USING NAMED clauses in an update, or the appropriate SPARQL Protocol parameters).
| type: | sd:Feature |
|---|
sd:EmptyGraphs, when used as the object of the sd:feature property, indicates that the underlying graph store supports empty graphs. A graph store that supports empty graphs &MUSTNOT; remove graphs that are left empty after triples are removed from them. (See 3.1 Graph Update in SPARQL 1.1 Update.)
| type: | sd:Feature |
|---|
sd:BasicFederatedQuery, when used as the object of the sd:feature property, indicates that the SPARQL service supports basic federated query using the SERVICE keyword as defined by SPARQL 1.1 Federation Extensions [SPARQLFED].
| type: | sd:Feature |
|---|
Apart from the instances listed above, custom extensions and other documents may define further instance URIs usable within service descriptions; the following documents also list instance URIs that may be used with some of the properties defined in the previous sections:
sd:EntailmentRegime usable with the properties sd:defaultEntailmentRegime and sd:entailmentRegime)sd:EntailmentProfile usable with the properties sd:defaultSupportedEntailmentProfile and sd:supportedEntailmentProfile)<http://www.w3.org/ns/formats/Format> usable with the properties sd:resultFormat and sd:inputFormat)The following HTTP traces illustrate the retrieval of a service description from the SPARQL endpoint http://www.example/sparql/.
This RDF describes a SPARQL service available at the URL http://www.example/sparql/ that supports the SPARQL 1.1 Query language. The service will dereference URLs used in FROM/FROM NAMED clauses, supports both the RDF/XML and Turtle serialization formats, supports the http://example.org/Distance extension function, and has a dataset with a default graph and one named graph, both described using the voiD vocabulary [VOID]. The default graph contains 100 triples and supports RDFS entailment while the graph named http://www.example/named-graph contains 2000 triples and supports OWL2 RL entailment.
Given the HTTP request:
GET /sparql/ HTTP/1.1 Host: www.example
the SPARQL service responds with an RDF/XML encoded service description (no content negotiation or RDFa encoding is used):
HTTP/1.1 200 OK
Date: Fri, 09 Oct 2009 17:31:12 GMT
Server: Apache/1.3.29 (Unix) PHP/4.3.4 DAV/1.0.3
Connection: close
Content-Type: application/rdf+xml
<?xml version="1.0" encoding="utf-8"?>
<rdf:RDF
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:sd="http://www.w3.org/ns/sparql-service-description#"
xmlns:prof="http://www.w3.org/ns/owl-profile/"
xmlns:void="http://rdfs.org/ns/void#">
<sd:Service>
<sd:endpoint rdf:resource="http://www.example/sparql/"/>
<sd:supportedLanguage rdf:resource="http://www.w3.org/ns/sparql-service-description#SPARQL11Query"/>
<sd:resultFormat rdf:resource="http://www.w3.org/ns/formats/RDF_XML"/>
<sd:resultFormat rdf:resource="http://www.w3.org/ns/formats/Turtle"/>
<sd:feature rdf:resource="http://www.w3.org/ns/sparql-service-description#DereferencesURIs"/>
<sd:defaultEntailmentRegime rdf:resource="http://www.w3.org/ns/entailment/RDFS"/>
<sd:extensionFunction>
<sd:Function rdf:about="http://example.org/Distance"/>
</sd:extensionFunction>
<sd:defaultDataset>
<sd:Dataset>
<sd:defaultGraph>
<sd:Graph>
<void:triples rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">100</void:triples>
</sd:Graph>
</sd:defaultGraph>
<sd:namedGraph>
<sd:NamedGraph>
<sd:name rdf:resource="http://www.example/named-graph"/>
<sd:entailmentRegime rdf:resource="http://www.w3.org/ns/entailment/OWL-RDF-Based"/>
<sd:supportedEntailmentProfile rdf:resource="http://www.w3.org/ns/owl-profile/RL"/>
<sd:graph>
<sd:Graph>
<void:triples rdf:datatype="http://www.w3.org/2001/XMLSchema#integer">2000</void:triples>
</sd:Graph>
</sd:graph>
</sd:NamedGraph>
</sd:namedGraph>
</sd:Dataset>
</sd:defaultDataset>
</sd:Service>
</rdf:RDF>
Given the HTTP request:
GET /sparql/ HTTP/1.1 Host: www.example Accept: text/turtle
the SPARQL service responds with a Turtle [TURTLE] encoded service description:
HTTP/1.1 200 OK
Date: Fri, 09 Oct 2009 17:31:12 GMT
Server: Apache/1.3.29 (Unix) PHP/4.3.4 DAV/1.0.3
Connection: close
Content-Type: text/turtle
@prefix sd: <http://www.w3.org/ns/sparql-service-description#> .
@prefix ent: <http://www.w3.org/ns/entailment/> .
@prefix prof: <http://www.w3.org/ns/owl-profile/> .
@prefix void: <http://rdfs.org/ns/void#> .
[] a sd:Service ;
sd:endpoint <http://www.example/sparql/> ;
sd:supportedLanguage sd:SPARQL11Query ;
sd:resultFormat <http://www.w3.org/ns/formats/RDF_XML>, <http://www.w3.org/ns/formats/Turtle> ;
sd:extensionFunction <http://example.org/Distance> ;
sd:feature sd:DereferencesURIs ;
sd:defaultEntailmentRegime ent:RDFS ;
sd:defaultDataset [
a sd:Dataset ;
sd:defaultGraph [
a sd:Graph ;
void:triples 100
] ;
sd:namedGraph [
a sd:NamedGraph ;
sd:name <http://www.example/named-graph> ;
sd:entailmentRegime ent:OWL-RDF-Based ;
sd:supportedEntailmentProfile prof:RL ;
sd:graph [
a sd:Graph ;
void:triples 2000
]
]
] .
<http://example.org/Distance> a sd:Function .
A SPARQL service conformant with this specification:
<service-endpoint-URL> &MUST; include at least one triple matching: ?service sd:endpoint <service-endpoint-URL> .
$Log: xmlspec.xml,v $ Revision 1.88 2013/03/20 17:47:29 sandro add back changes-since-lc Revision 1.87 2013-03-20 17:43:06 sandro update changelog Revision 1.86 2012-12-17 17:09:27 gwilliam Removed unused scovo prefix in examples. Revision 1.85 2012-11-07 02:20:46 sandro various little fixes to references and links for publication Revision 1.84 2012/11/06 23:56:05 sandro *** empty log message *** Revision 1.83 2012/11/06 14:16:44 sandro mark cvs log Revision 1.82 2012/10/10 19:52:13 gwilliam Aligned terminology with Protocol document and improved wording regarding SD access (ACTION-695). Revision 1.81 2012/02/13 22:45:07 gwilliam Clarified usage of sd:availableGraphs based on comment MO-1. Revision 1.80 2012/02/06 19:52:26 gwilliam Updates that were made for LC2. Revision 1.79 2011/12/31 20:52:42 gwilliam Updates for pub-rules process. Revision 1.78 2011/12/19 17:07:09 gwilliam Updated W3C links to TR space. Removed useless cite tags from xmlspec. Revision 1.77 2011/12/13 14:51:28 gwilliam Added reference to ORDER BY clause in sd:extensionFunction and sd:Function sections. Revision 1.76 2011/12/13 14:32:05 gwilliam Updated changes since last publication. Revision 1.75 2011/12/13 14:20:23 gwilliam Added links to other SPARQL documents. Revision 1.74 2011/12/07 05:12:41 gwilliam Changes based on Chime's 2LC review <http://lists.w3.org/Archives/Public/public-rdf-dawg/2011OctDec/0309.html> Revision 1.73 2011/12/07 03:39:50 gwilliam More changes based on Axel's 2LC review. Revision 1.72 2011/12/06 14:57:21 gwilliam Fixed XML encoding bug. Revision 1.71 2011/12/06 14:06:06 gwilliam Changes based on Axel's 2LC review <http://lists.w3.org/Archives/Public/public-rdf-dawg/2011OctDec/0273.html>. Revision 1.70 2011/11/04 16:05:48 gwilliam Updated text to indicate that RDF is available by dereferencing the namespace IRI. Revision 1.69 2011/10/18 14:23:28 gwilliam Renamed sd:defaultDatasetDescription to sd:defaultDataset. Renamed sd:availableGraphDescriptions to sd:availableGraphs. Revision 1.68 2011/10/10 18:28:32 gwilliam Fixed xml escaping in CVS Log. Revision 1.67 2011/10/10 18:27:19 gwilliam Changes based on DB-6: Clarified that "accessing a service description" means with an HTTP GET. s/a URI reference/an IRI/ in the description of the range of sd:endpoint and sd:name. Added links and surrounded full URIs with <>. Added note that no properties are defined for sd:Graph, but that it should be used with other appropriate vocabularies. Revision 1.66 2011/08/16 17:06:35 gwilliam Updated wording based on comments in DB-6. Revision 1.65 2011/06/14 15:05:25 gwilliam Added internal html links to sd properties, classes, and instances. Revision 1.64 2011/05/30 12:41:47 gwilliam Updated SPARQL links to /TR/ space. Updated voiD link to URI of W3C NOTE. Revision 1.63 2011/05/05 19:06:29 gwilliam Updated links to new Protocol ED. Revision 1.62 2011/05/05 18:56:06 gwilliam Fixed old name for "Graph Store HTTP Protocol". Revision 1.61 2011/05/03 18:01:47 gwilliam Added description of changes since last WD. Revision 1.60 2011/05/03 17:26:27 gwilliam Added informative reference to Turtle team submission. Revision 1.59 2011/05/03 17:16:02 gwilliam Marked the 'Example' section as informative. Revision 1.58 2011/05/03 15:26:10 gwilliam Added use of entailment to example SD, and added an example of turtle serialization. Revision 1.57 2011/05/03 14:05:41 gwilliam Added sd:defaultSupportedEntailmentProfile. Revision 1.56 2011/05/02 23:08:14 gwilliam Updated terminology text linking to Protocol 1.1. Reorderd entailment properties sections. Tweaked example RDF/XML. Revision 1.55 2011/04/19 19:44:00 gwilliam Updated text and link from sd:endpoint to the Protocol document. Revision 1.54 2011/04/07 05:28:37 gwilliam Updated text for sd:EmptyGraphs with link to SPARQL 1.1 Update doc. Revision 1.53 2011/04/05 15:58:51 gwilliam Re-add comment about the range of sd:endpoint being a URI reference. Revision 1.52 2011/04/05 15:32:35 gwilliam Changed sd:url to sd:endpoint, and "service URL" to "service endpoint". Revision 1.51 2011/03/10 16:26:11 gwilliam Conformance now requires "at least one" matching triple in the SD RDF. Revision 1.50 2011/03/01 05:39:01 gwilliam Updated description of sd:url to indicate the range is a service endpoint. Updated sd:defaultDatasetDescription to list type owl:InverseFunctionalProperty. Updated sd:resultFormat and sd:inputFormat to discuss relevant formats: properties. Updated description of sd:namedGraph to describe the use of sd:graph as optional. Updated conformance section to require a triple using sd:url with the service URL. Revision 1.49 2011/02/05 19:23:06 gwilliam Added link to RDFa in section 2 Accessing a Service Description. Added list of defined features in section 3.3.2 sd:Feature. Added link to entailment document in section 3.2.4 sd:supportedEntailmentProfile. Updated linked document name "SPARQL 1.1 RDF Dataset HTTP Protocol" in section 3.2.14 sd:inputFormat. Added note on sd:GraphCollection subclass sd:Dataset in section 3.2.16 sd:namedGraph. Added link to AWWW for use of "dereference" in section 3.4.4 sd:DereferencesURIs. Changed use of ldodds:Distance function in example SD to ex:Distance. Added bibliographic entries for SPARQL 1.1 Entailment Regimes, RDFa, and AWWW. Added intra-document bibliographic citation links. Revision 1.48 2011/01/25 16:01:51 gwilliam Added note on range of sd:url as "URI reference". Renamed "aggregate operation" to just "aggregate". Revision 1.47 2011/01/24 21:06:48 gwilliam Added ranges for sd:resultFormat and sd:inputFormat. Added link to update document for discussion of "LOAD statement". Revision 1.46 2011/01/23 04:00:31 gwilliam QNames are now marked up with code tags. Consistent capitalization of "service description". Revision 1.45 2011/01/22 22:46:38 gwilliam More pre-LC changes: Added conformance section Added more links into the query doc. Fixed linking of title text in references section. Revision 1.44 2011/01/22 22:00:12 gwilliam Updates based on pre-LC reviews by NicoM and LeeF. Revision 1.43 2011/01/13 02:51:33 gwilliam Updated reference and link to extending BGP matching section of SPARQL 1.1 Query doc. Revision 1.42 2010/11/23 16:14:38 gwilliam Added sd:BasicFederatedQuery feature. Revision 1.41 2010/10/31 02:59:14 gwilliam Fixed stated rdfs:domain of sd:defaultGraph. Revision 1.40 2010/10/05 15:28:02 gwilliam Updated document to use styling from local.css. Revision 1.39 2010/10/05 15:05:36 gwilliam Punctuation fixes. Revision 1.38 2010/10/05 14:51:25 gwilliam Reformatted schema information for classes/instances with html tables. Revision 1.37 2010/10/05 14:01:52 gwilliam Reformatted schema information for properties with html tables. Revision 1.36 2010/10/05 02:21:08 gwilliam Reworded description of sd:Language. Updated the description of changes made since last the previous working draft. Revision 1.35 2010/09/24 20:04:20 gwilliam Updated editor's comments. Revision 1.34 2010/09/24 19:51:00 gwilliam Formatting changes based on WG reviews. Revision 1.33 2010/08/30 16:41:08 gwilliam Added anchors for all div3 sections. Revision 1.32 2010/08/30 01:17:02 gwilliam Added cross-section links. Typo fixes and rewording based on draft feedback. Added sd:inputFormat. Revision 1.31 2010/05/25 15:09:37 gwilliam Updated the description of changes made since last the previous working draft. Revision 1.30 2010/05/10 02:50:30 gwilliam Added link for formats URIs. Added rdfs:domain for sd:graph. Fixed typos. Revision 1.29 2010/05/04 15:21:49 gwilliam Fixed formatting of sd:resultFormat definition. Revision 1.28 2010/05/04 15:19:00 gwilliam Added link to W3C list of Unique URIs for File Formats. Revision 1.27 2010/04/27 02:05:08 gwilliam Added sd:EmptyGraphs, fixed typo in sd:entailmentRegime. Revision 1.26 2010/04/18 19:18:08 gwilliam Renamed sd:named to sd:name. Split Functions and Aggregates, and added sd:extensionAggregate. Revision 1.25 2010/03/30 17:34:52 gwilliam Updated based on F2F3 decisions including: Added note about Unique URIs for serialization formats. Added named graph rdfs:domain for sd:supportedEntailment. Updated references section and added SPARQL Protocol reference. Revision 1.24 2010/03/20 18:45:10 gwilliam Added classes sd:GraphCollection, sd:Graph, and sd:NamedGraph. Made sd:Dataset a subclass of sd:GraphCollection. Updated list of sd:Language instances. Added sd:RequiresDataset feature. Added properties sd:propertyFeature, sd:resultFormat. Made sd:namedGraph have domain of sd:GraphCollection and range of sd:NamedGraph. Made sd:named have domain of sd:NamedGraph. Revision 1.23 2010/01/22 00:57:56 apollere2 Changed anticipated pub date to 26 Revision 1.22 2010/01/21 22:06:15 apollere2 Added previous location. Revision 1.21 2010/01/21 22:01:29 apollere2 changed date. Revision 1.20 2010/01/06 02:42:35 gwilliam Added missing entailment profiles link text. Revision 1.19 2010/01/06 02:40:59 gwilliam Added link to W3C defined entailment profiles. Revision 1.18 2010/01/05 03:22:41 gwilliam Updated class/property descriptions. Updated summary of changes. Added @@ comments for needed changes. Revision 1.17 2010/01/02 01:15:12 gwilliam Capitalized feature IRIs. Added description of sd:Function. Revision 1.16 2009/12/23 23:03:09 gwilliam pluralization fix. removed trailing slash on graph name IRI. removed extra section markup in CVS History. Revision 1.15 2009/12/18 21:01:34 gwilliam Added entialment regimes link. Added entailment profile class and properties. Added sd:entailmentRegime. Renamed supportedEntailment to defaultEntailmentRegime. Revision 1.14 2009/12/18 19:57:08 gwilliam Added sd:named and sd:graph properties. Updated example RDF. Revision 1.13 2009/12/15 05:44:13 gwilliam summary of changes since fpwd. replaced more uses of sd:defaultDataset. Revision 1.12 2009/12/15 05:03:07 gwilliam Renamed defaultDataset to defaultDatasetDescription. Revision 1.11 2009/12/01 04:58:49 gwilliam Added feature IRIs and updated datase description terms per 2009-11-24 telecon. Revision 1.10 2009/12/01 04:07:02 gwilliam Added sd:Dataset class, description of sd:SPARQLQuery and sd:SPARQLUpdate, and fixed whitespace formatting in CVS Log. Revision 1.9 2009/10/21 03:29:49 lfeigenb pubrules fixes Revision 1.8 2009/10/21 03:19:15 lfeigenb publication prep Revision 1.7 2009/10/20 20:47:23 lfeigenb validation errors Revision 1.6 2009/10/20 19:45:51 lfeigenb small fixes for naming and cleanup Revision 1.5 2009/10/20 18:03:06 lfeigenb move to using the shared XML spec materials Revision 1.4 2009/10/20 15:53:20 lfeigenb updated NS URI as per Oct-20 meeting Revision 1.3 2009/10/20 14:25:47 gwilliam Fixed base.uri. Commented out TURTLE reference. Revision 1.2 2009/10/20 13:59:34 gwilliam Removed duplicate namespace section. Revision 1.1 2009/10/20 04:21:12 gwilliam CREATED