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| {{Q|'''SPARQL''' is a [[w:recursive acronym|recursive acronym]] and stands for '''SPARQL Protocol and RDF Query Language'''). It is an [[w:RDF query language|RDF query language]], that is, a [[w:Semantic_Query|semantic]] [[w:query language|query language]] for [[w:database|database]]s, able to retrieve and manipulate data stored in [[w:Resource Description Framework|Resource Description Framework (RDF)]] format.|Wikipedia|[[w:SPARQL|SPARQL]]}}
| | <big>'''See [[Database]]'''</big> |
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| {{Q|Some '''subject-predicate-object databases''' (also known as ''[[w:triplestore|triplestore]]s'') have been built as database engines from scratch, while others have been built on top of existing commercial relational database engines (e.g., SQL-based).|Wikipedia|[[w:list of subject-predicate-object databases|list of subject-predicate-object databases]]}}
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| {{Q|A '''triplestore''' or '''RDF store''' is a purpose-built [[w:database|database]] for the storage and retrieval of [[w:Resource Description Framework#Overview|triples]] through [[w:Semantic Query|semantic queries]].|Wikipedia|[[w:Triplestore]]}}
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| {{Q|A '''NoSQL''' (originally referring to "non SQL" or "non relational") database provides a mechanism for storage and retrieval of data which is modeled in means other than the tabular relations used in relational databases.|Wikipedia|[[w:NoSQL|NoSQL]]}}
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| * See [[w:List of SPARQL implementations]] for all [[w:triplestores]] that provide SPARQL querying endpoint | | * See [[w:List of SPARQL implementations]] for all [[w:triplestores]] that provide SPARQL querying endpoint |