HGraphDB vs QLever

HGraphDB is a other database; QLever is a rdf database. HGraphDB (2016-11, Apache-2.0, Java) ranks #109 this month; QLever (2017-11, Apache-2.0, C++) ranks #6.

Attribute HGraphDB #109 ▼6 Growing QLever #6 ▼1 Leader
At a glance
Rank #109#6
Score 33.969.6
GitHub stars 263934
Popularity 49.856.9
Activity 38.275.6
Community 30.368.0
Research 50.085.3
Fundamentals
Description A TinkerPop 3 graph layer on top of HBase, enabling property graph storage with schema support. Inherits HBase's distribution and scalability characteristics.A SPARQL engine capable of querying very large knowledge graphs (including complete Wikidata) on a single machine. Implements full SPARQL 1.1 with autocompletion and text search.
Vendor —University of Freiburg
Model OtherRDF
Kind extensiondatabase
Category EmergingEmerging
First released 2016-112017-11
Status inactive — No human development activity since 2024active
License Apache-2.0Apache-2.0
Written in JavaC++
Query languages GremlinSPARQL
gdotv support noyes

Feature scores — not surveyed for QLever

Feature HGraphDBQLever
Community & Business
Active development ✓—
Commercial support ·—
Live community ✓—
Open Source ✓—
Pricing ·—
Trendiness ·—
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 0.5—
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 0.5—
Data Model
Multi-database ·—
Graph-native data ·—
REST API ·—
Query Language ✓—
Transactions
Granular locking ·—
Multiple isolation levels ·—
Read committed transaction ✓—
Transaction support 0.5—
Schema & Security
Constraints ·—
Schema support ✓—
Secondary indexes ✓—
Server side procedures ·—
Triggers ·—
Authentication ✓—
Authorization ·—
Data encryption ·—