Cosmos DB vs Apache Marmotta KiWi

Cosmos DB is a multiple database; Apache Marmotta KiWi is a rdf database. Cosmos DB (2014-08, Proprietary, C++) ranks #29 this month; Apache Marmotta KiWi (2010-10, Apache-2.0, Java) ranks #99.

Attribute Cosmos DB #29 ▼1 Strong Apache Marmotta KiWi #99 ▼4 Growing
At a glance
Rank #29#99
Score 54.137.2
GitHub stars —57
Popularity 53.841.7
Activity 49.932.0
Community 39.130.3
Research 87.750.0
Fundamentals
Description 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.An RDF triple store backend for Apache Marmotta that translates SPARQL directly to SQL for execution against PostgreSQL, MySQL, or H2. Built on the Sesame/RDF4J Sail API with support for named graphs, versioning, and rule-based reasoning via sKWRL.
Vendor MicrosoftApache Software Foundation
Model MultipleRDF
Kind databasedatabase
Category EnterpriseEmerging
First released 2014-082010-10
Status activeinactive — Project retired to the Apache Attic. Repository archived in May 2021.
License ProprietaryApache-2.0
Written in C++Java
Query languages Gremlin, SQLSPARQL
gdotv support yesno

Feature scores — not surveyed for Apache Marmotta KiWi

Feature Cosmos DBApache Marmotta KiWi
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 ·—
Operating on Windows ✓—
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 ·—
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 ✓—