Release Notes

[1.3] - 2023-02-01

Release of pyTigerGraph version 1.3.

Added:

Two new dataloaders: HGTLoader and NodePiece
- The HGTLoader is a data loader that performs stratified neighbor sampling Heterogeneous Graph Transformer.
- NodePiece is a scalable graph embedding approach introduced in NodePiece: Compositional and Parameter-Efficient Representations of Large Knowledge Graphs
Callback functions to all dataloaders: write functions to process the batch in a background thread before it is passed into the training loop.

Changed:

Added better error messaging when REST requests are incorrect.
Template query support in the featurizer (requires TigerGraph Database 3.9+)
Data splitters automatically perform a schema change if needed to add attributes to the database.

Fixed:

Fixed how custom SSL certificates were handled when instantiating the GSQL client.

[1.2] - 2022-11-09

Release of pyTigerGraph version 1.2.

Added:

The Datasets class, a way to easily import standard datasets into a database instance.
The visualizeSchema function to visualize graph schemas.
Proper deprecation warnings.
Logging capabilities using native Python logging tools.
Ability to run asynchronous queries from runInstalledQuery()

Changed:

Many changes to the featurizer capability, including:
- Automatically selecting the correct version of a graph data science algorithm given your version of the database.
- Automatically creating the schema change necessary to run the algorithm and store the results to an attribute.
- If the algorithm is not already installed at runtime, and is included in the TigerGraph Graph Data Science Library, the algorithm will be installed automatically.
- Adding more supported algorithms, in categories such as similarity and topological link prediction.

[1.1] - 2022-09-06

Release of pyTigerGraph version 1.1.

Added:

TensorFlow support for homogeneous GNNs via the Spektral library.
Heterogeneous Graph Dataloading support for DGL.
Support of lists of strings in dataloaders.

Changed:

Fixed KeyError when creating a data loader on a graph where PrimaryIdAsAttribute is False.
Error catch if Kafka dataloader doesn’t run in async mode.
Refresh schema during dataloader instantiation and featurizer attribute addition.
Reduce connection instantiation time.
Reinstall query if it is disabled.
Confirm Kafka topic is created before subscription.
More efficient use of Kafka resources.
Allow multiple consumers on the same data.
Improved deprecation warnings.

[1.0] - 2022-07-11

Release of pyTigerGraph version 1.0, in conjunction with version 1.0 of the TigerGraph Machine Learning Workbench.

Added:

Kafka authentication support for ML Workbench enterprise users.
Custom query support for Featurizer, allowing developers to generate their own graph-based features as well as use our built-in Graph Data Science algorithms.

Changed:

Additional testing of GDS functionality
More demos and tutorials for TigerGraph ML Workbench, found here.
Various bug fixes.

[0.9.1] - 2022-06-21

Added new parameter, tgCloud for when connecting to a TigerGraph Cloud instance. Set to True if using a new TigerGraph Cloud

Changed:

Deprecated gcp parameter, as tgCloud supercedes this. Existing code will be compatible.

[0.9] - 2022-05-16

We are excited to announce the pyTigerGraph v0.9 release! This release adds many new features for graph machine learning and graph data science, a refactoring of core code, and more robust testing. Additionally, we have officially “graduated” it to an official TigerGraph product. This means brand-new documentation, a new GitHub repository, and future feature enhancements.

We are committed to keeping pyTigerGraph true to its roots as an open-source project. Check out the Contributing page and our GitHub Issues page if you want to help with pyTigerGraph’s development.

pyTigerGraph 0.9 was released on May 16th, 2022.

New Features

Graph Data Science Capability

Many new capabilities added for graph data science and graph machine learning.

Data loaders for training Graph Neural Networks in DGL and PyTorch Geometric
A "featurizer" to generate graph-based features
Metric trackers for precision, recall, and accuracy
Vertex and edge splitters for generation of train/validation/testing splits.

Other Changes

Documentation

We have moved the documentation to the official TigerGraph Documentation site and updated many of the contents with type hints and more descriptive parameter explanations.

Testing

There is now well-defined testing for every function in the package. A more defined testing framework is coming soon.

Code Structure

A major refactor of the codebase was performed. No breaking changes were made to accomplish this.