DataStax Enterprise vs QLever

DataStax Enterprise is a property graph database; QLever is a rdf database. DataStax Enterprise (2016-04, Proprietary, Java) ranks #69 this month; QLever (2017-11, Apache-2.0, C++) ranks #6.

Attribute DataStax Enterprise #69 ▲1 Growing QLever #6 ▼1 Leader
At a glance
Rank #69#6
Score 43.369.6
GitHub stars —918
Popularity 46.756.9
Activity 43.675.6
Community 34.768.0
Research 50.485.3
Fundamentals
Description A property graph database built on Apache Cassandra, forked from the Titan graph database. Uses TinkerPop for graph traversal and includes DataStax Studio for interactive querying and visualization.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 IBMUniversity of Freiburg
Model Property GraphRDF
Kind databasedatabase
Category EstablishedEmerging
First released 2016-042017-11
Status activeactive
License ProprietaryApache-2.0
Written in JavaC++
Query languages Gremlin, CQLSPARQL
gdotv support yesyes

Feature scores — not surveyed for QLever

Feature DataStax EnterpriseQLever
Community & Business
Active development ✓—
Commercial support ✓—
Live community 0.25—
Open Source ·—
Pricing ·—
Trendiness 0.25—
Deployment
Containerization ✓—
Work as dedicated instance ✓—
Work as embedded ·—
Testing in-memory version ·—
Platform
Operating on Linux ✓—
Operating on Windows 0.5—
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 0.5—
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 ✓—