Semantic Web Query Languages
Web and Semantic Web Query Languages
... declarative languages, is, if not fully achieved, obviously striven for by both positional and logic, query languages, especially in Semantic Web query ...Some query ...
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OntoQL: An Alternative to Semantic Web Query Languages
... of semantic indexation ...to semantic services that allow users to retrieve data from their semantic ...exploitation languages. During the last decade a number of ontology query lan- ...
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Semantic query languages for knowledge-based web services in a construction context
... 2.3 Semantic Web Query Languages As mentioned in Section 1, the W3C standard for creating, querying and updating Linked Data databases is ...
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Reconciling faceted search and query languages for the Semantic Web
... Methodology. The subjects consisted of 20 graduate stu- dents in computer science. They had prior knowledge of relational databases but neither of Sewelis, nor of faceted search, nor of Semantic Web, nor of ...
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Combining Faceted Search and Query Languages for the Semantic Web
... LISQL query is a LISQL expression, where some subexpression, the query focus, is ...The query focus determines which of those variables is put in the SELECT ...the query a woman and father : ? ...
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Evaluating the usability of natural language query languages and interfaces to semantic web knowledge bases
... formal query language ...different query interfaces – one of which being formal, the others being similar to dome of the re- lated work – with the goal of eliciting the the core features making an NLI’s ...
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Data Model and Query Constructs for Versatile Web Query Languages
... the Semantic Web is gaining momentum, the need for truly versatile query languages becomes increasingly ...A Web query language is called versatile if it can access in the same ...
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Extending Policy Languages to the Semantic Web
... description languages such as OWL [17] are now available, the KH setting is general enough for our cur- rent ...a Semantic Navigator that allows them to navigate/query metadata as well as the data ...
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Ten Theses on Logic Languages for the Semantic Web
... some languages, on ...compound) query to the data store similar to a body of a constructive or normative rule, and action is an atomic ...event query, i.e. a query to events received so far. ...
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Preferential Query Answering in the Semantic Web with Possibilistic Networks
... 3 P , respectively, rather than PSPACE ). Notice also that the complexity theorems below are generic results, applying also to Datalog+/– languages beyond the ones in Tables 3 and 4. Their proofs even apply to ...
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Semantic Web Services Query and Manipulation Language for Quality Attributes of Web Services
... the query in Figure ...the query as key-value ...resource-centric query languages, reduces the useless information that would be returned if we query services (data portion of the ...
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OWL-QL A Language for Deductive Query Answering on the Semantic Web. Abstract
... Query languages for description logics and other logic-based knowledge representation formalisms often include explicit “structural queries”, such as queries asking about the subsumers, subclasses, and ...
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Query Performance Problem Determination with Knowledge Base in Semantic Web System OptImatch
... relational query languages such as Structured Query Language ...General query performance problem determination tools [4], [6], [23], [24] also offer an automated way to database ...
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Semantic Method for Query Translation
... of semantic method to be applied to various fields and aspects such as semantic web and information [3, ...the semantic approach is more significant to be integrated with queries which have ...
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Enabling query technologies for the semantic sensor web
... time windows, filters and two different observa- tions. Suppose that we have mappings that relate the SSN-based ontology network concepts to the streams wan7 and wan6 of Listing 9. Cop[r] ...
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GeoSPARQL Query Tool A Geospatial Semantic Web Visual Query Tool
... Keywords: Semantic Web, Geographic Information Systems, GeoSPARQL, SPARQL, ...the Semantic Geospatial ...geospatial query tool that is based on Semantic Web ...other Web ...
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SPARQL. Query Language for the Web of Data. CS-E4410 Semantic Web,
... eero.hyvonen@aalto.fi.. Department of Computer Science SPARQL SPARQL Protocol and RDF Query Language “sparkle” 2.. SPARQL is used for querying.. Linked Data in SPARQL endpoints.[r] ...
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A journey to Semantic Web query federation in the life sciences
... a query endpoint was created from which to issue a query by identifying and locally aggregating the data sources necessary to answer the scientific question associated with our use case into a data ...the ...
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Hybrid geo-spatial query processing on the semantic web
... a Semantic Web structured RDF data source instead of using textual data sources ...Using Semantic Web structured resources such as DBpedia enables the retrieval of geo-spatial instances of ...
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Semantic Web Languages: RDF vs. SOAP Serialisation
... • Not really object oriented but property centric • Property names must be globally unique. • Fine granularity requires reification for statements about[r] ...
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