2013
DOI: 10.1007/978-3-642-41242-4_13
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LODatio: A Schema-Based Retrieval System for Linked Open Data at Web-Scale

Abstract: The Linked Open Data (LOD) cloud has grown to an enormous source for semantic data. Its distributed and decentralized approach is one reason for its success but also poses challenges. A main difficulty is to identify those data sources on the LOD cloud which provide the information a user is actually interested in. With LODatio, we have developed a prototype retrieval system to support users in finding the right data sources for a given schema-oriented information need. Beyond classical search system functions… Show more

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Cited by 7 publications
(3 citation statements)
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“…Hagedorn (2013) [19] and Gottron et al [20] adopt the query ) - rewriting approach to trace the semantics in the LOD query. However, the research reveals limitations of the query rewriting approach.…”
Section: Lod Cloud Query Approachesmentioning
confidence: 99%
“…Hagedorn (2013) [19] and Gottron et al [20] adopt the query ) - rewriting approach to trace the semantics in the LOD query. However, the research reveals limitations of the query rewriting approach.…”
Section: Lod Cloud Query Approachesmentioning
confidence: 99%
“…• RDF • Linked data KRMA [30] • Integrates data from a variety of data sources/databases, spreadsheets, delimited text files, XML, JSON, KML, and web APIs • RDF SchemEX [31] • Stream-based indexing of linked data • RDF • LOD LODatio [32] • Semantic search engine • Schema-based index to identify relevant sources for LOD for given SPARQL query patterns…”
Section: Existing Semantics-based Tools For Big Datamentioning
confidence: 99%
“…A variation of the above semantic web search engines regarding the input (query) type is provided by LODatio (Gottron et al, 2013) that address the problem of finding linked data sources relevant to a schema-oriented information need, i.e., queries based on triple patterns combining classes and/or properties. LODatio and its extension, LODatio+ 35 , is a search engine that leverages a schema-level index to locate data sources on the LOD cloud that contain resources of specific classes and properties matching the given SPARQL query.…”
Section: Semantic Search Enginesmentioning
confidence: 99%