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SPARQL2Flink: Evaluation of SPARQL Queries on Apache Flink
Published 2021-07-01Subjects: Get full text
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CONSTRUCT queries in SPARQL
Published 2015“…SPARQL has become the most popular language for querying RDF datasets, the standard data model for representing information in the Web. …”
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SPARQL with property paths
Published 2015“…The original SPARQL proposal was often criticized for its inability to navigate through the structure of RDF documents. …”
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SPARQLog: SPARQL with Rules and Quantification
Published 2010“…SPARQL has become the gold-standard for RDF query languages. …”
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SPARQL beyond Subgraph Matching.
Published 2010“…We extend the Semantic Web query language SPARQL by defining the semantics of SPARQL queries under the entailment regimes of RDF, RDFS, and OWL. …”
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Beyond Well-Designed SPARQL
Published 2015“…SPARQL is the standard query language for RDF data. …”
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Reverse engineering SPARQL queries
Published 2016“…Semantic Web systems provide open interfaces for end-users to access data via a powerful high-level query language, SPARQL. But users unfamiliar with either the details of SPARQL or properties of the target dataset may find it easier to query by example — give examples of the information they want (or examples of both what they want and what they do not want) and let the system reverse engineer the desired query from the examples. …”
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SPARQL Query Mediation for Data Integration
Published 2016“…In the paper, we show that SPARQL queries that are intended to execute over multiple heterogeneous data sources can be mediated automatically.…”
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Querying incomplete information in RDF with SPARQL
Published 2016“…Following ideas from incomplete information literature, we develop a semantics for this extension of RDF, called RDFi, and study query evaluation for SPARQL. We transfer the concept of representation systems from incomplete information in relational databases to the case of RDFi and identify two very important fragments of SPARQL that can be used to define a representation system for RDFi. …”
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On expressibility of non-monotone operators in SPARQL
Published 2016“…SPARQL, a query language for RDF graphs, is one of the key technologies for the Semantic Web. …”
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Nested constructs vs. sub-selects in SPARQL
Published 2016“…The issue of subqueries in SPARQL has appeared in different papers as an extension point to the original SPARQL query language. …”
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Enhancing SPARQL Query Performance With Recurrent Neural Networks
Published 2023-01-01Subjects: Get full text
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Efficient SPARQL Queries Generator for Question Answering Systems
Published 2022-01-01Subjects: Get full text
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Consultas Skyline en SPARQL: Una Visión General
Published 2022-05-01Subjects: Get full text
Article