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Ontotext GraphDB

by Ontotext / Graphwise (merged with Semantic Web Company, 2025)

System Card

OrganizationOntotext / Graphwise (merged with Semantic Web Company, 2025)
Released2000-01
Architecturegraph-rag / RDF triplestore with OWL2 inference
DetailsOntotext GraphDB (formerly OWLIM) is an enterprise RDF triplestore optimized for large-scale knowledge graph inference and linked data publishing. It supports full OWL2 RL/EL/QL reasoning, SPARQL 1.1, and connectors to Elasticsearch and Solr for hybrid search. In 2025, Ontotext merged with Semantic Web Company to form Graphwise, adding PoolParty taxonomy management.
Parameters—
Domainknowledge-graphrag-retrieval
Open SourcePartial
WebsiteVisit
RDFOWL2inferenceSPARQLlinked-data

Capability Profile

Benchmark Scores

6 of 14 benchmarks
Data Transparency:6 estimated
Long-Context Retrieval
2/5
RULER
71.655pEstimated
NIAH
no data
LooGLE
no data
LongBench
603pEstimated
∞Bench
no data
Multi-Turn Recall
0/2
LoCoMo
no data
MemoryBank
no data
Cross-Session Memory
1/1
LongMemEval
75.146pEstimated
Multi-Hop QA
2/3
BABILong
no data
MultiHop-RAG
7579pEstimated
HotpotQA
71.953pEstimated
Agent Task Memory
0/1
AgentBench-Mem
no data
Personalization
0/1
PerLTQA
no data
Factuality / Grounding
1/1
RAGAS
69.849pEstimated
Sources:Arena estimate — derived from capability profile, not independently verified