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Apache Jena TDB vs Eclipse RDF4J

Apache Jena TDB: Apache Jena's native RDF store, embeddable in Java or served over SPARQL with Fuseki. Eclipse RDF4J: Eclipse Foundation's Java RDF framework with native, LMDB and in-memory SPARQL stores.

key differences

  • Apache Jena TDB is built for larger datasets (≤ 10 TB) than Eclipse RDF4J (≤ 100 GB).

choose apache-jena-tdb for

  • +Embedded RDF storage in Java applications
  • +SPARQL endpoints for research datasets
  • +Ontology and vocabulary management
  • +Testing and prototyping semantic-web apps

best at · Knowledge graph, Metadata, Embedded

choose eclipse-rdf4j for

  • +Embedding RDF storage in Java applications
  • +SHACL validation pipelines
  • +A common RDF API across multiple triplestores
  • +Federated SPARQL queries

best at · Knowledge graph, Embedded, Metadata

Apache Jena TDBApache Jena's native RDF store, embeddable in Java or served over SPARQL with Fuseki.
Eclipse RDF4JEclipse Foundation's Java RDF framework with native, LMDB and in-memory SPARQL stores.
overview
Primary model
RDF / Triple Store
RDF / Triple Store
Also supports
–
–
Type
Database engine
Database engine
Status
Active
Active
Developer
Apache Software Foundation
Eclipse Foundation
First release
2008
2016
Latest version
6.2.0 (Jul 2026)
6.0.0 (Aug 10, 2026)
License
Open source (permissive)Apache License 2.0
Open source (permissive)BSD 3-Clause License
Free tier
✓
✓
popularity
WhichDB Score
18.9
10.6
Rank
#175
#296
GitHub stars
1.5K
422
Stack Overflow questions
2.4K
160
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Small (≤ 100 GB)
Horizontal scaling
None
None
Multi-region
None
None
ACID
Full
Full
Consistency
Strong
Strong
Schema
Schemaless
Schemaless
Architecture
Single node, Embedded, Client server
Embedded, Single node, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
✓
✓
Edge
—
—
Clouds
–
–
capabilities
Transactions
✓
✓
Joins
—
—
Secondary indexes
—
—
Full-text search
✓
✓
Vector search
—
—
Geospatial
✓
✓
JSON
—
—
Change data capture
—
—
Triggers
—
—
Stored procedures
—
—
Materialized views
—
—
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
—
—
In-memory
✓
✓
Durable persistence
✓
✓
Compression
—
—
Encryption at rest
—
—
Role-based access
—
—
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SPARQL
SPARQL
Client languages
Java
Java
Best for
Knowledge graph, Metadata, Embedded, Scientific
Knowledge graph, Embedded, Metadata
Add more to this comparisonNot sure either fits? Try smart match

Apache Jena TDB vs Eclipse RDF4J: FAQ

What is the difference between Apache Jena TDB and Eclipse RDF4J?

Apache Jena TDB: Apache Jena's native RDF store, embeddable in Java or served over SPARQL with Fuseki. Eclipse RDF4J: Eclipse Foundation's Java RDF framework with native, LMDB and in-memory SPARQL stores. Apache Jena TDB is built for larger datasets (≤ 10 TB) than Eclipse RDF4J (≤ 100 GB).

When should I choose Apache Jena TDB over Eclipse RDF4J?

Choose Apache Jena TDB for embedded RDF storage in Java applications; SPARQL endpoints for research datasets; and ontology and vocabulary management. Choose Eclipse RDF4J for embedding RDF storage in Java applications, SHACL validation pipelines and A common RDF API across multiple triplestores.

Is Apache Jena TDB or Eclipse RDF4J more popular?

Apache Jena TDB ranks #175 on the WhichDB Score (18.9/100) and Eclipse RDF4J ranks #296 (10.6/100). Popularity is not fit: check the requirements that matter for your project.

Are Apache Jena TDB and Eclipse RDF4J open source?

Yes. Apache Jena TDB is open source. License: Apache License 2.0. Yes. Eclipse RDF4J is open source. License: BSD 3-Clause License.