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Head-to-head · Knowledge Graph Software

PoolParty Semantic Suite vs Ontop

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score PoolParty Semantic Suite #7 in Knowledge Graph Software 8.3/10 Pricing on request ✓ 4 of 4 features Visit PoolParty
Ontop #15 in Knowledge Graph Software 7.7/10 Open source ✓ 3 of 4 features Visit Ontop

PoolParty Semantic Suite leads on 0 checks, Ontop on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePoolParty Semantic Suite · 8.3/10
  • Most featuresPoolParty Semantic Suite · 4 of 4

PoolParty Semantic Suite scores higher on our rubric for knowledge graph software: 8.3 against 7.7 out of 10; our editors rank them #7 and #15.

PoolParty Semantic Suite is the better fit for enterprise taxonomies, search, and semantic enrichment. Ontop is the better fit for virtual knowledge graphs over relational databases.

  • PoolParty Semantic Suite fits best

    Enterprise taxonomies, search, and semantic enrichment

  • Ontop fits best

    Virtual knowledge graphs over relational databases

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Side by side

Feature PoolParty Semantic Suite 8.3/10 Visit ↗ Ontop 7.7/10 Visit ↗
At a glance
Editor score 8.3 7.7
Ranking #7 in Knowledge Graph Software #15 in Knowledge Graph Software
Best for Enterprise taxonomies, search, and semantic enrichment Virtual knowledge graphs over relational databases
Pricing model Paid Free
Starting price Pricing on request Open source
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Self-hosted
Platforms Web Windows, macOS, Linux
Support Docs Community, Docs
Integrations 19 integrations 20 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features PoolParty Semantic Suite 4/4 · Ontop 3/4
Ontology modeling ✓ ✓
Semantic reasoning ✓ ✓
RDF/SPARQL support ✓ ✓
Graph visualization ✓ (best) Not checked yet
Specs
Import formats CSV, Excel, JSON, XML, relational tables, PDF, text RDF/XML, Turtle, N-Triples, N-Quads, TriG, JSON-LD, R2RML, Ontop mapping format
Deployment Both Both
Query languages SPARQL SPARQL
Our review
Pros
  • Combines taxonomy, thesaurus, ontology, and custom-scheme management
  • Supports RDF storage, SPARQL querying, extraction, classification, and search
  • Offers cloud and on-premise deployment with extensive integrations
  • Translates SPARQL queries into SQL for existing relational sources
  • Supports RDFS, OWL 2 QL, R2RML, and native Ontop mappings
  • Connects with databases including PostgreSQL, Snowflake, and BigQuery
Cons
  • Pricing requires contacting sales
  • Its breadth may exceed the needs of narrow graph projects
  • Not open source
  • Requires relational databases and mapping work as its foundation
  • Its open-source model requires teams to manage deployment themselves
  • Its focus is semantic querying rather than a broad application suite
Our verdict

PoolParty Semantic Suite is a semantic middleware platform for organizations that need to model, manage, enrich, and connect enterprise knowledge. It is suited to enterprise data, content, and knowledge-management teams working with…

Read the review →

Ontop is an open-source virtual knowledge graph system for teams that need to expose relational database content as RDF without moving the underlying data. It translates SPARQL queries over the virtual graph into SQL executed by relational…

Read the review →
  1. PoolParty Semantic SuiteKnowledge Graph Software 8.3Pricing on request
  2. OntopKnowledge Graph Software 7.7Open source

Strengths and trade-offs

  • PoolParty Semantic Suite — where it wins

    • Combines taxonomy, thesaurus, ontology, and custom-scheme management
    • Supports RDF storage, SPARQL querying, extraction, classification, and search
    • Offers cloud and on-premise deployment with extensive integrations

    Where it doesn't

    • Pricing requires contacting sales
    • Its breadth may exceed the needs of narrow graph projects
    • Not open source

  • Ontop — where it wins

    • Translates SPARQL queries into SQL for existing relational sources
    • Supports RDFS, OWL 2 QL, R2RML, and native Ontop mappings
    • Connects with databases including PostgreSQL, Snowflake, and BigQuery

    Where it doesn't

    • Requires relational databases and mapping work as its foundation
    • Its open-source model requires teams to manage deployment themselves
    • Its focus is semantic querying rather than a broad application suite
  • PoolParty Semantic Suite8.3/10 · Pricing on request

    A wide-ranging semantic platform for enterprise search, enrichment, and knowledge management.

    Visit PoolPartyFull verdict →
  • Ontop7.7/10 · Open source

    An open-source layer for querying relational data as RDF knowledge graphs.

    Visit OntopFull verdict →

More comparisons

All knowledge graph software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update