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Graphflow

A research prototype in-memory property graph database supporting both one-time and continuous subgraph queries. Extends openCypher with trigger support. Succeeded by Kuzu.

Overall rank
#147
First released
2017
License
MIT
Built with
Java

Details

Vendor
University of Waterloo
Type
Property Graph
Category
Emerging
Status
Deprecated — Research prototype from University of Waterloo. Succeeded by Kuzu.
License
MIT
Language
Java
Query Languages
openCypher

Feature scores

Community & Business

Active development
0%
No updates in 6+ months
Commercial support
0%
No commercial support
Live community
0%
No community activity data
Open Source
Open source license
Pricing
Pricing publicly available
Trendiness
0%
Declining trend

Deployment

Containerization
0%
No container image
Work as dedicated instance
Can run as standalone server
Work as embedded
0%
Standalone only
Testing in-memory version
50%
No description available

Platform

Operating on Linux
Linux officially supported
Operating on Windows
Windows officially supported
SaaS offering
Cloud service available

Operations

Automatic updates
0%
Manual updates only
Client side caching
0%
No client-side caching
Data versioning support
0%
No versioning
Live backups
0%
No live backups

Distribution

Cluster Re-balancing
0%
No auto-rebalancing
Data Distribution
0%
No sharding
High-Availability
0%
No HA support
Query Distribution
0%
No distributed queries
Replication support
0%
No replication

Developer Experience

Data types defined
Composite data types
Logging/Auditing
50%
No description available
Object-Graph Mapper
0%
No object mapper
Reactive programming
0%
No reactive programming
Documentation up-to-date
0%
No documentation
Binary protocol
0%
Text-based protocols only
CLI
Command-line interface
GUI
0%
No GUI

Data Model

Multi-database
0%
Graph-only
Graph-native data
Native graph storage
REST API
0%
No REST API
Query Language
75%
No description available

Transactions

Granular locking
0%
No granular locking
Multiple isolation levels
0%
Read uncommitted only
Read committed transaction
0%
Not available
Transaction support
0%
No transactions

Schema & Security

Constraints
0%
No constraints
Schema support
0%
Schema-less
Secondary indexes
0%
Primary index only
Server side procedures
0%
No stored procedures
Triggers
0%
No triggers
Authentication
0%
No authentication
Authorization
0%
No authorization
Data encryption
0%
No encryption
Sources 3 references

License MIT

Corrected from current value Apache-2.0: the repository's actual LICENSE file is MIT, dated 2019 (predates this specific VLDB-2021-paper repo).

Released 2017

Graphflow was first demonstrated as a prototype active graph database at SIGMOD 2017; confirms current value.

Language Java

The rejected quote had been tidied to 'in memory' with a space. The PDF's actual text layer (extracted with pdftotext, no -layout) reads 'inmemory' as a single word with no hyphen or space — confirmed by direct extraction from the downloaded PDF. Quoted here exactly as the text layer has it.