Ontop vs Sparksee

Ontop is a rdf database; Sparksee is a property graph database. Ontop (2009, Apache-2.0, Java) ranks #18 this month; Sparksee (2008, Proprietary, C++) ranks #55.

Attribute Ontop #18 ▲2 Strong Sparksee #55 ▲14 Growing
At a glance
Rank #18#55
Score 57.045.8
GitHub stars 1k—
Popularity 58.440.6
Activity 49.452.9
Community 65.651.9
Research 54.850.4
Fundamentals
Description A Virtual Knowledge Graph system that exposes relational databases as RDF knowledge graphs, translating SPARQL queries into SQL without moving data. Uses R2RML mappings and lightweight ontologies.A property graph database (formerly DEX) that stores graphs as labelled multigraphs using bitmap data structures for compact representation. Supports ACID transactions and offers free licenses for evaluation and research use.
Vendor OntopicSparsity Technologies
Model RDFProperty Graph
Kind query-enginedatabase
Category EstablishedEstablished
First released 20092008
Status activeactive
License Apache-2.0Proprietary
Written in JavaC++
Query languages SPARQLopenCypher
gdotv support nono

Feature scores — not surveyed for Ontop

Feature OntopSparksee
Community & Business
Active development —·
Commercial support —✓
Live community —·
Open Source —·
Pricing —·
Trendiness —0.5
Deployment
Containerization —·
Work as dedicated instance —✓
Work as embedded —✓
Testing in-memory version —·
Platform
Operating on Linux —✓
Operating on Windows —✓
SaaS offering —·
Operations
Automatic updates —·
Client side caching —·
Data versioning support —·
Live backups —✓
Distribution
Cluster Re-balancing —·
Data Distribution —·
High-Availability —·
Query Distribution —·
Replication support —·
Developer Experience
Data types defined —✓
Logging/Auditing —·
Object-Graph Mapper —·
Reactive programming —✓
Documentation up-to-date —✓
Binary protocol —·
CLI —·
GUI —·
Data Model
Multi-database —·
Graph-native data —✓
REST API —·
Query Language —✓
Transactions
Granular locking —·
Multiple isolation levels —✓
Read committed transaction —·
Transaction support —✓
Schema & Security
Constraints —✓
Schema support —✓
Secondary indexes —✓
Server side procedures —·
Triggers —·
Authentication —·
Authorization —·
Data encryption —✓