- Improved testing and stability
- improved gdl error handling
- added basic vertex deduplication
- implemented distributed graph layouting
- moved capf into new repository gradoop-capf
- improved temporal graph handling
Assets
2
gradoop-temporalmodule added- Temporal Property Graph Model (TPGM) implementation
diffandsnapshotoperators for TPGM- some commonly used temporal predicates
- examples for temporal operator usages
equalsandprintsupport- support for generified operators
- Fixed bug in cypher constructor patterns
- Reorganized
hbasedependency- Remove
hbasedependencies fromgradoop-flink
- Remove
- Fixed incorrectly escaped chars in DOT output
- Added overwrite parameter for CSV output
- Added new grouping operator using key functions (
KeyedGrouping)- Added key functions for grouping on temporal infos
Assets
2
- API Changes - Interfaces
EPGMEdge,EPGMVertex,EPGMGraphHeadrenamed toEdge,VertexandGraphHead - API Changes - Instance classes
Edge,VertexandGraphHeadrenamed toEPGMEdge,EPGMVertex,EPGMGraphHead - Logical Graph Operators generalized
- Graph Collection operators generalized
- VerifyGraph(s)Containment operator added
gradoop-examplesmodule is refactored- ElementFactories are now part of the BaseFactory (not part of config)
- Enhanced comparison of property values
- Deprecated JSON source and sink removed
- Support for Maven 3.6
Assets
2
- Upgrade Flink dependency from
1.7.0to1.7.2 - Integration of Cypher on Apache Flink (CAPF) to support OpenCypher queries
- Improvement of CSVDataSource
- Added Graph ETL operators to module
gradoop-data-integration - Added Degree Centrality operator
- Added Random Walk operator
- Added Verify operator to remove dangling edges
- Refactored PropertyValue class according to strategy pattern
- Added overwrite support for HBaseDataSink
Assets
2
- Upgrade Flink dependency from
1.6.0to1.7.0 - Generalized Subgraph, Transformation and Property Transformation operators
- Generalized MetaData construct
- Refactored GradoopId to no longer use MongoDB
- Added RollUp example
- Added support to construct GraphCollection from mutliple LogicalGraphs
- Added simple importers for CSV and JSON files
Assets
2
- Upgrade Flink dependency from
1.5.0to1.6.0 gradoop-data-integrationmodule added- Fixed bugs in
IndexedCSVDataSink - Sampling Benchmarks added
- Datagen-package removed from Gradoop
- Clustering coefficient computation addded
- Triangle counting added
- Rollup-Operator added
- Unified aggregate functions now applicable to both aggregate and grouping operator
Assets
2
- PageRank sampling added
- Mockito added for testing support
- Multiple aggregation functions in a single aggregation operator
- GraphCollection support for CSV Source/Sink
- LGTM code quality badge
- PropertyTransformation operator added
- Weakly Connected Components runner added
- CSV delimiter escaping
Assets
2
- Cypher, Subgraph and SNA Benchmarks added
- Predicate pushdown for HBase available
- Split property type and value in HBase table layout
NULLandSetsupport in PropertyValues- Code coverage report
- Support graphs without edges
.print()added forLogicalGraphandGraphCollection- Aggregation example added
- Sampling algorithms extended incl. Graph density computation
Assets
2
- Upgrade Flink from
1.3.1to1.5.0 - JSONDataSource and JSONDataSink are now marked as deprecated
- CSVDataSource and CSVDataSink supporting all available property value types
- IndexedCSVDataSink added
- Added Gradoop-Store module with Apache Accumulo and HBase support
- Added Store Api with manual predicate pushdown (for Accumulo DataSource)