BrightstarDB vs Cosmos DB

BrightstarDB is a rdf database; Cosmos DB is a multiple database. BrightstarDB (2012-02, MIT, C#) ranks #80 this month; Cosmos DB (2014-08, Proprietary, C++) ranks #29. They differ on 25 of 46 surveyed features.

Attribute BrightstarDB #80 ▼3 Growing Cosmos DB #29 ▼1 Strong
At a glance
Rank #80#29
Score 41.254.1
GitHub stars 463—
Popularity 46.353.8
Activity 36.949.9
Community 34.739.1
Research 50.087.7
Fundamentals
Description A .NET-native RDF store with SPARQL support and binding of RDF resources to .NET dynamic objects. Supports multi-threaded reads with ACID transactions but no horizontal scaling.A globally distributed multi-model database service on Microsoft Azure with property graph support through the Apache Gremlin API. Offers multi-region replication and multiple consistency models.
Vendor —Microsoft
Model RDFMultiple
Kind embeddeddatabase
Category EmergingEnterprise
First released 2012-022014-08
Status inactive — No active development since 2015.active
License MITProprietary
Written in C#C++
Query languages SPARQL, LINQGremlin, SQL
gdotv support noyes

Feature scores 25 of 46 rows differ

Feature BrightstarDBCosmos DB
Community & Business
Active development ✓✓
Commercial support ·✓
Live community ✓0.5
Open Source ✓·
Pricing ·✓
Trendiness ·✓
Deployment
Containerization ·0.5
Work as dedicated instance ✓✓
Work as embedded ✓·
Testing in-memory version ·✓
Platform
Operating on Linux 0.75·
Operating on Windows 0.75✓
SaaS offering ·✓
Operations
Automatic updates ·✓
Client side caching ··
Data versioning support ··
Live backups ·✓
Distribution
Cluster Re-balancing ·0.5
Data Distribution ✓✓
High-Availability ✓✓
Query Distribution ✓✓
Replication support ✓✓
Developer Experience
Data types defined 0.5·
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 ✓0.5
Schema & Security
Constraints ··
Schema support ··
Secondary indexes ✓✓
Server side procedures ✓✓
Triggers ·✓
Authentication ·✓
Authorization ·✓
Data encryption ·✓