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Questions tagged [triplestore]

"A triplestore is a purpose-built database for the storage and retrieval of Resource Description Framework (RDF) metadata" -- Wikipedia. RDF stores simple statements each with three elements (subject, predicate and object) - hence "triple".

"A triplestore is a purpose-built database for the storage and retrieval of Resource Description Framework (RDF) metadata" -- https://en.wikipedia.org/wiki/Triplestore. RDF stores simple statements each with three elements (subject, predicate and object) - hence "triple".

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Graph Databases vs Triple Stores - when to use which?

I know that there are similar questions around on Stackoverflow but I don't feel they answer the following. Graph Databases to my understanding store data following mostly this schema: Table/Collection 1: store nodes with UID Table/Collection 2:…
B M
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How are RDF and RDFS related?

I've been reading about Semantic Web technologies such as RDF/RDFS and "ontology", but was wondering how each of these are related? At the moment the terms all seem interchangeable, or I'm not understanding a fundamental concept here.
Webster Thesaurus
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Graph databases vs. triple stores

What's currently the best choice to persist graph-like structures? Graph databases (e.g. Neo4j) or RDF triple stores (e.g. Virtuoso)? For example, we have the following use case: the weakly connected graph (similar to the one of scholarly papers in…
Nikita Zhiltsov
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What is the difference between triplestores and graph databases?

There are triplestores (semantic databases), and there are general-purpose graph databases. Both are based on the similar concepts of linking one "item" to another via a relationship. Triplestores support RDF and are queried by SPARQL, but such…
Bozho
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SPARQL select optional with language

I have some triples that look like this: test:thing rdfs:label "Non-Language Label" test:thing rdfs:label "English Label"@en test:thing rdfs:label "French Label"@fr I'd like to form a sparql query that gives me the "Non-Language Label" AND the…
Devin McQueeney
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How is OWL actually used when building a semantic web application?

I've been reading about semantic web technologies such as RDF and OWL, and am intrigued about the possibilities of building an RDF / triple-store semantic database on top of my existing relational DBs. It's simply an R&D exercise, to see what I can…
user888734
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Triplestore for Large Datasets

I want to ask about a good triplestore to use for large datasets, it should: Scale well (millions of triples) Have a Java interface
myahya
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Any alternatives to Virtuoso as a graph store?

I like it (very much) that is supports SPARQL/Update and the SPARQL endpoint that comes with it, but I'm a little worried about vendor lock in I think it is overkill for my requirements (I want a graph store with half a billion triples) I would…
Ashkan Kh. Nazary
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Which Triplestore for rapid semantic web development?

Ease of installation/use is the most important factor here - not performance. Small is OK as large datasets are not expected.
Stephen
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Update RDF in Triplestore

I'm experimenting with Sesame and Virtuoso Triplestores. At the Moment I use the Sesame Java API to add RDF Data to both Triplestores. My RDF Data represents different things like Videodata, Userdata etc. At the moment I can add a RDF of a Video…
mjspier
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Import Freebase to Triplestore

I'm currently planning a big project containing big data. I already used the search and all results tell me that it's not possible to import Freebase into any triplestore without usage of 3rd Party Tools like BaseKB or Freebase to RDF As I can see,…
smith64fx
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How to store data like Freebase does?

I admit that this is basically a duplicate question of Use freebase data on local server? but I need more detailed answers than have already been given there I've fallen absolutely in love with Freebase. What I want now is to essentially create a…
Bruce van der Kooij
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django RDF support?

I'm looking for a tool that would help to provide RDF support to Django projects. So far I've found two: django-rdf - last modification was 4 yesrs ago so it looks like a dead project. djubby - looks like a all-or-nothing project - either you…
mnowotka
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loading rdf triples into virtuoso opensource

I'm trying to create a local mirror of LinkedGeoData.org from this dump. That's around 61,000,000 triples. Virtuoso is supposed to easily handle a lot more than that, but every single time it stops loading after around 40,000,000 triples. I'm using…
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