Neptune vs Parliament

Neptune is a multiple database; Parliament is a rdf database. Neptune (2017-11, Proprietary, C++) ranks #14 this month; Parliament (2009, BSD-3-Clause, C++) ranks #117.

Attribute Neptune #14 ▲2 Strong Parliament #117 ▼3 Emerging
At a glance
Rank #14#117
Score 61.129.2
GitHub stars —67
Popularity 61.034.3
Activity 60.937.2
Community 61.834.7
Research 60.450.1
Fundamentals
Description A fully managed graph database service from AWS supporting both property graph and RDF models. Available as Neptune Database (for transactional workloads) and Neptune Analytics (for analytical queries).An RDF triple store and OWL reasoner originally developed with DARPA funding as DAML DB. Supports SWRL rules for inference, configurable global caching across named graphs, and query timeouts.
Vendor Amazon Web ServicesRaytheon BBN Technologies
Model MultipleRDF
Kind databasedatabase
Category EnterpriseEmerging
First released 2017-112009
Status activeinactive — Last release v2.8.1 in June 2022. Limited recent activity.
License ProprietaryBSD-3-Clause
Written in C++C++
Query languages Gremlin, SPARQL, openCypherSPARQL
gdotv support yesno

Feature scores — not surveyed for Parliament

Feature NeptuneParliament
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 ·—
Live backups ✓—
Distribution
Cluster Re-balancing ·—
Data Distribution ·—
High-Availability ✓—
Query Distribution 0.5—
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 ✓—
Schema & Security
Constraints ✓—
Schema support 0.5—
Secondary indexes ✓—
Server side procedures ·—
Triggers ·—
Authentication ✓—
Authorization ✓—
Data encryption ✓—