Knowledge graph transformation
Project description
kNowlEdge grAph Transformer (NEAT)
This is python package handles transformation of domain knowledge graphs (more detailed, overarching) to app specific knowledge graphs. Documenation available at https://thisisneat.io.
Quickstart
Option 1 - Python Package
neat
can be installed as a Python package, and a docker image for more robust execution and support such
as graphdb
for caching. This quickstart guide uses the Python package.
Option 2 - Docker container
Running NEAT as docker container :
docker run -p 8000:8000 --name neat cognite/neat:latest
Runnin NEAT as docker container with local data folder mounted :
docker run -p 8000:8000 --name neat -v $(shell pwd)/docker/vol_data:/app/data cognite/neat:latest
Installation (Development setup)
Prerequisites:
poetry
installed on your system, see installation.npm
installed on your system, see installationreact-scripts
installed on your system,npm i react-scripts
- Clone this repo:
git clone git@github.com:cognitedata/neat.git
- Create wheel:
make build-python
. This will create a wheel in thedist
folder. - Install wheel in your preferred environment,
pip install dist/neat-[NEAT_VERSTION]-py3-none-any.whl
Run Neat (Python Package)
Once installed you can run neat with the command
neat
This will open your browser and launch the neat application.
Note this will automatically create a data
folder in your current working directory, which is populated
with default workflows, rule sheets, and source graphs. In addition, there is a config.yaml
you can add
your CDF credentials to allow neat
access CDF.
Documentation
Docker container build process
make build-docker
Starting the application locally using GraphDB as external rdf store
Run the command :
make compose-up
The command starts NEAT container and GraphDB container and creates vol_data and vol_shared local folders that are mounted as volumes.
vol_data - is mounted only in NEAT container. It contains config.yaml
, workflows
, rules
. You can set load_examples
to true
to populate it with examples.
vol_shared - is mounted to both containers and files placed here become automatically visible for GraphDB import process. Main intension is to write files from NEAT container and make them available for GraphDB for import.
Web UI
http://localhost:8000
Open API docs :
http://localhost:8000/docs
Workflows and configurations
All configurations are divided into 2 categories :
- global configurations - global for entire service , loaded at startup (config.yaml)
- workflow configurations - local to workflow , loaded from workflow manifest (.yaml)
Global configurations
Global configurations loaded by the application during startup process, either from ENV variables or file.
The application tries to load the configuration as follows.
- Try ENV variables. This is done by checking for the ENV variable
NEAT_CDF_PROJECT
, and if it exists load the rest as they are listed below. - Try from file. This is done by checking the ENV variable
NEAT_CONFIG_PATH
, which defaults to$(cwd)/config.yaml
, for a path. The config file es expected to have the structure as shown below. - Exit. It the ENV variable
NEAT_CDF_PROJECT
and the config file does not exist, the applications exists.
Env Variables
- NEAT_CDF_PROJECT
- NEAT_CDF_CLIENT_NAME
- NEAT_CDF_CLIENT_ID
- NEAT_CDF_CLIENT_SECRET
- NEAT_CDF_BASE_URL
- NEAT_CDF_TOKEN_URL
- NEAT_CDF_SCOPES
- NEAT_WORKFLOW_DOWNLOADER_FILTER - list of workflows or tags that must be loaded from CDF automatically during startup
- NEAT_DATA_PATH - local directory for workflow and rules storage
- NEAT_CDF_DEFAULT_DATASET_ID - default dataset id that is used for sharing workflows, rules fies and execution traces
- NEAT_LOG_LEVEL - supported logging levels
DEBUG
,INFO
(default)
Config file
workflows_store_type: file
data_store_path: /app/data
cdf_client:
project: get-power-grid
client_id: "623c2450-cfc2-43d6-9036-10e14dad8ccf"
client_secret: "my-super-secret"
base_url: https://az-power-no-northeurope.cognitedata.com
scopes: [https://az-power-no-northeurope.cognitedata.com/.default]
token_url: https://login.microsoftonline.com/e55e1701-82f8-4c52-af10-28e4d942c589/oauth2/v2.0/token
cdf_default_dataset_id: 2626756768281823
workflow_downloader_filter:
- tag:grid
log_level: DEBUG
Automatic workflow loading from CDF during application startup
If workflow_downloader_filter
is set, the app will try to download workflows from CDF based on provided filtering conditions .
Filtering format :
name:<workflows_name>=<workflow_version>
- loading workflow by name and version or latest by name if version is not set.tag:<tag_name>
- loading all workflows that tagged with specific tag.
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