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kglab

Welcome to Graph Data Science: https://derwen.ai/docs/kgl/

The kglab library provides a simple abstraction layer in Python 3.7+ for building knowledge graphs, leveraging Pandas, NetworkX, RAPIDS, RDFLib, Morph-KGC, pythonPSL, and many more.

SPECIAL REQUEST:
Which features would you like in an open source Python library for building knowledge graphs?
Please add your suggestions through this survey:
https://forms.gle/FMHgtmxHYWocprMn6
This will help us prioritize the kglab roadmap.

Reviews

@kaaloo:

"Feels like it's a Hugging Face for graphs! 🤯"

Getting Started

See the "Getting Started" section of the online documentation.

Using kglab as a library for your Python project

We recommend installing from PyPi or conda:

pip

python3 -m pip install kglab

pipenv

pipenv install kglab

conda

conda env create -n kglab
conda activate kglab
pip install kglab

Or, install from source:

If you work directly from this Git repo, be sure to install the dependencies:

pip

python3 -m pip install -U pip wheel
python3 -m pip install -r requirements.txt

pipenv

pipenv install --dev

Alternatively, to install dependencies using conda:

conda env create -f environment.yml --force
conda activate kglab

Sample Code

Then to run some simple uses of this library:

import kglab

# create a KnowledgeGraph object
kg = kglab.KnowledgeGraph()

# load RDF from a URL
kg.load_rdf("http://bigasterisk.com/foaf.rdf", format="xml")

# measure the graph
measure = kglab.Measure()
measure.measure_graph(kg)

print("edges: {}\n".format(measure.get_edge_count()))
print("nodes: {}\n".format(measure.get_node_count()))

# serialize as a string in "Turtle" TTL format
ttl = kg.save_rdf_text()
print(ttl)

See the tutorial notebooks in the examples subdirectory for sample code and patterns to use in integrating kglab with other graph libraries in Python: https://derwen.ai/docs/kgl/tutorial/

WARNING when installing in an existing environment:
Installing a new package in an existing environment may reveal
or create version conflicts. See the kglab requirements
in requirements.txt before you do. For example, there are
known version conflicts regarding NumPy (>= 1.19.4) and TensorFlow 2+ (~-1.19.2)

For a simple approach to running the tutorials, see use of docker compose: https://derwen.ai/docs/kgl/tutorial/#use-docker-compose

Also, container images for each release are available on DockerHub: https://hub.docker.com/repository/docker/derwenai/kglab

To build a container image and run it for the tutorials:

docker build --pull --rm -f "docker/Dockerfile" -t kglab:latest .
docker run -p 8888:8888 -it kglab

To build and run a container image for testing:

docker build --pull --rm -f "docker/testsuite.Dockerfile" -t kglabtest:latest .
docker run --rm -it kglabtest

Instead, simply install from PyPi or use Conda.

To set up the build environment locally, see the "Build Instructions" section of the online documentation.

Before <strong>kglab</strong> reaches release <code>v1.0.0</code> the types and classes may undergo substantial changes and the project is not guaranteed to have a consistent API.

Even so, we'll try to minimize breaking changes. We'll also be sure to provide careful notes.

See: changelog.txt

We welcome people getting involved as contributors to this open source project!

For detailed instructions please see: CONTRIBUTING.md

Source code for kglab plus its logo, documentation, and examples have an MIT license which is succinct and simplifies use in commercial applications.

All materials herein are Copyright © 2020-2023 Derwen, Inc.

@software{kglab,
  author = {Paco Nathan},
  title = {{kglab: a simple abstraction layer in Python for building knowledge graphs}},
  year = 2020,
  publisher = {Derwen},
  doi = {10.5281/zenodo.6360664},
  url = {https://github.com/DerwenAI/kglab}
}

<img alt="illustration of a knowledge graph, plus laboratory glassware" src="https://raw.githubusercontent.com/DerwenAI/kglab/main/docs/assets/logo.png" width="231" />

Kudos

Many thanks to our open source sponsors; and to our contributors: @ceteri, @dvsrepo, @Ankush-Chander, @louisguitton, @tomaarsen, @Mec-iS, @jake-aft, @Tpt, @ArenasGuerreroJulian, @fils, @cutterkom, @RishiKumarRay, @gauravjaglan, @pebbie, @CatChenal, @jorisSchaller, @dmoore247, plus general support from Derwen, Inc.; the Knowledge Graph Conference and Connected Data World; plus an even larger scope of use cases represented by their communities; Kubuntu Focus, the RAPIDS team @ NVIDIA, Gradient Flow, and Manning Publications.

<img alt="kglab contributors" src="https://contributors-img.web.app/image?repo=derwenai/kglab" />

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