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http://ceur-ws.org/Vol-301/Paper_5_Erling.pdf
a degree of native RDF support into an existing relational platform. The RDF work on Virtuoso started by identifying problems of using an RDBMS for triple storage: • Data Types: RDF is typed at run time and IRI’s must be distinct from other data. • Unknown data lengths large objects mix …
https://link.springer.com/chapter/10.1007%2F978-3-642-02184-8_2
RDF Support in the Virtuoso DBMS. Abstract. This paper discusses RDF related work in the context of OpenLink Virtuoso, a general purpose relational / federated database and applications platform. The use cases are dual 1. large RDF repositories 2. making arbitrary relational data queriable with SPARQL and RDF by mapping on demand.Cited by: 481
https://virtuoso.openlinksw.com/whitepapers/Web-Scale%20RDF.pdf
Virtuoso is a general-purpose RDBMS with extensive RDF adaptations. In Virtuoso, RDF data may be stored as RDF quads (i.e., graph, subject, predicate, object tuples). All such quads are in one table, which may have different indexing depending on the expected query load. RDF data may also be generated-on-demand by SPARQL queries against a virtual graph
https://community.openlinksw.com/t/using-the-virtuoso-jdbc-driver-via-our-openrefine-fork/908
Apr 29, 2019 · We recently published an OpenRefine fork that adds Virtuoso JDBC Driver support to the list of Data Sources accessible via the current DBMS-specific JDBC binding layer. What follows are a collection of screenshots and associated notes that cover the process of producing an RDF-Turtle document from data returned from a SQL Query targeting Virtuoso’s live demo instance. …
https://medium.com/@kidehen/virtuoso-is-a-multi-model-rdbms-that-supports-both-sql-and-sparql-for-operating-on-relations-5abb5d38b718
Dec 14, 2018 · Virtuoso is a Multi-Model RDBMS that supports both SQL and SPARQL for operating on relations represented a Tables or RDF Graphs. At its very …Author: Kingsley Uyi Idehen
https://medium.com/virtuoso-blog/generate-relational-tables-to-rdf-relational-graphs-mappings-using-virtuosos-rdb2rdf-wizard-c4b83402599a
Apr 30, 2018 · Steps for Generating Mappings from Relational Tables to RDF Graphs. [1] Select the SQL Tabular Relations (Tables) of interest from the "Demo" Database. [2] Tick the checkbox for the "Demo"."demo"."Suppliers" table, and click on Generate Via Wizard.Author: Kingsley Uyi Idehen
https://www.researchgate.net/publication/234196284_Virtuoso_RDF_support_in_a_native_RDBMS
Furthermore, Virtuoso [8], supporting RDF in a native RDBMS, also model RDF data as a set of triples. TriAD [11], using a custom MPI protocol, employs six SPO permutation indexes, partitions RDF triples into those indexes, and uses a locality-based summary graph to speed up queries. ...
https://link.springer.com/chapter/10.1007%2F978-3-642-04329-1_21
RDF (Resource Description Framework) is seeing rapidly increasing adoption, for example, in the context of the Linked Open Data (LOD) movement and diverse life sciences data publishing and integration projects. This paper discusses how we have adapted OpenLink Virtuoso, a general purpose RDBMS, for this new type of workload.
https://medium.com/@kidehen/virtuoso-is-a-multi-model-rdbms-that-supports-both-sql-and-sparql-for-operating-on-relations-5abb5d38b718
Dec 14, 2018 · Virtuoso is a Multi-Model RDBMS that supports both SQL and SPARQL for operating on relations represented a Tables or RDF Graphs. At its very …
https://community.openlinksw.com/t/using-the-virtuoso-jdbc-driver-via-our-openrefine-fork/908
Apr 29, 2019 · We recently published an OpenRefine fork that adds Virtuoso JDBC Driver support to the list of Data Sources accessible via the current DBMS-specific JDBC binding layer. What follows are a collection of screenshots and associated notes that cover the process of producing an RDF-Turtle document from data returned from a SQL Query targeting Virtuoso’s live demo instance.
https://community.openlinksw.com/c/rdbms/rdf-rdbms-virtuoso
Sep 08, 2018 · Matters related to OpenLink Virtuoso as RDF Database Management System. Matters related to OpenLink Virtuoso as RDF Database Management System. Virtuoso Universal Server RDF Data Management. Topic ... Mutlicore support for sparql queries: 4: May 14, 2019 Can I refer to a triple in another triple in virtuoso? 4: April 19, 2019
http://docs.openlinksw.com/virtuoso/ch-rdfandsparql/
Starting with version 4.5, Virtuoso provides built-in support for SPARQL, the standard query language for RDF and the semantic web. Adoption of SPARQL with Virtuoso is effortless, as any existing SQL client applications and stored procedures can take advantage of SPARQL simply by using it in the place of or inside SQL queries.
https://www.slideshare.net/rumito/virtuosos-sql-to-rdf-technology-presentation-w3c-rdf-dbms-integration-workshop-10252007
Nov 20, 2007 · Virtuoso's SQL to RDF Technology Presentation (W3C RDF & DBMS Integration Workshop 10-25-2007) 1. OpenLink Virtuoso - SQL & RDF RDF Views of SQL Data (Exposing SQL Data as RDF) Orri Erling Program Manager - OpenLink Virtuoso mailto: [email_address] .com
http://www.authorstream.com/Presentation/rumito-27288-Virtuoso-SQL-RDF-Technology-Presentation-W3C-OpenLink-Universal-Server-Situation-Analysis-Hope-Yes-Ideal-Solution-mapping-workshop3-Entertainment-ppt-powerpoint/
Virtuoso's SQL to RDF Technology (W3C RDF & DBMS ) rumito. Download ...
https://www.researchgate.net/publication/224092793_On-demand_RDF_to_Relational_Query_Translation_in_Samizdat_RDF_Store
Erling, O., Mikhailov I.: RDF support in the Virtuoso DBMS. In: Proceedings of the 1st Conference on Social Semantic Web, volume P-113 of GI-Edition – Lecture Notes in Informatics (LNI), ISSN ...
https://stackoverflow.com/tags/virtuoso/info
Virtuoso is a multi-model relational database management system for data represented as Relational Tables and/or RDF Property Graphs. It is also equipped with in-built middleware for conceptual data integration across heterogeneously shaped and disparately located data.
https://www.c-sharpcorner.com/article/most-popular-graph-databases/
Virtuoso is a multi-model DBMS and supports Graph DBMS, Native XML DBMS, Relational DBMS, and RDF store data models. Virtuoso initially launched in 1998 by OpenLink Software is written in C language and is an open source database and supports .NET, C, C#, C++, Java, JavaScript, Perl, PHP, Python, Ruby, and Visual Basic.
https://project-hobbit.eu/wp-content/uploads/2017/05/MOCHA_Paper_2.pdf
Besides catering for SQL clients, Virtuoso has a built-in HTTP server providing a DAV repository, SOAP and WS* protocol end-points and dynamic web pages in a variety of scripting languages. It was subsequently re-targeted as an RDF graph store with built-in SPARQL and inference [4,5].
http://vos.openlinksw.com/owiki/wiki/VOS/VirtRDFDatasetDump
Every DBMS needs to offer a mechanism for bulk export and import of data. Virtuoso supports dumping and reloading graph model data (e.g., RDF), as well as relational data (e.g., SQL) (discussed elsewhere).
https://dl.acm.org/doi/10.1145/2063518.2063522
Mapping Relational Databases (RDB) to RDF is an active field of research. The majority of data on the current Web is stored in RDBs. Therefore, bridging the conceptual gap between the relational model and RDF is needed to make the data available on the Semantic Web.
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