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Basic setup and easy to follow templates to interact and search CogStack for data analysts

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Working with CogStack

This repository contains all tools relevant to interacting with an NHS deployment of CogStack.

It contains:

  1. Easy to follow templates and instructions to interact and search CogStack.
  2. Recommended workflows to create, train, and run, MedCAT models.

For further discussions or questions. Please join our official CogStack/MedCAT forum!

NOTE this section is currently in development. Let me know if there is anything else to add!

Setup

Users can follow these steps to quickly setup and deploy this repository on their machine.

Any code to enter in these instructions will be represented as code to enter.

Please replace anything within <Enter information here> with your own specific details.

Step 1: Clone this repository locally

  1. Enter the directory where you would like to store these files. cd path/to/where/you/want/this/repository

  2. Clone the online repository: git clone https://github.com/CogStack/working_with_cogstack.git

    Further instructions and self-help with git and git clone. Please visit this link.

    If you choose to use github desktop rather than the terminal please refer to the official github desktop guides.

  3. Optional: To update to the latest release of this repository: git pull

Step 2: Creating a virtual environment and required packages

(Requires Python 3.7+)

Windows

  1. Create a new virtual env: python3 -m venv venv
  2. Load the virtual environment: .\venv\Scripts\activate
  3. Install relevant packages and libraries: pip install -r requirements.txt

Linux/MAC OS

  1. Create a new virtual env: python3 -m venv venv
  2. Load the virtual environment: source venv/bin/activate
  3. Install relevant packages and libraries: pip install -r requirements.txt

Optional: If no jupyter instance is installed.

  1. In the main folder of this repository. Activate your virtual environment, using the (Step 2) command from your respective OS.
  2. Start JupyterLab: jupyter-lab

Step 3: Enter credentials and Login details

In the main folder of this repository you can populate the credentials.py file with your own CogStack hostnames, username and passwords.

For an automatic authentication experience, the credentials.py contents can be prepopulated with your CogStack instance credentials:

hosts = []  # This is a list of your cogstack elasticsearch instances.

# These are your login details (either via http_auth or API)
username = None
password = None

For shared machines it is recommended that you leave the passwords blank. This will trigger a prompt in when accessing a cogstack instance.

If you have any questions or issues obtaining these details please contact your local CogStack administrator.

Contents

This directory contains the basics search templates.

For further information on CogStack please visit their github or wiki page.

This directory contains the basics watcher job templates.

An overview of this process is shown below.

Further information about MedCAT can be found from their github or via their official documentation here.

General MedCAT tutorials can be found here.

Demo

A demo application is available at MedCAT. This was trained on MIMIC-III to annotate SNOMED-CT concepts. Note: No supervised training has been provided to this model and therefore should only be used for demonstration purposes only.

MedCAT Citation

@ARTICLE{Kraljevic2021-ln,
  title="Multi-domain clinical natural language processing with {MedCAT}: The Medical Concept Annotation Toolkit",
  author="Kraljevic, Zeljko and Searle, Thomas and Shek, Anthony and Roguski, Lukasz and Noor, Kawsar and Bean, Daniel and Mascio, Aurelie and Zhu, Leilei and Folarin, Amos A and Roberts, Angus and Bendayan, Rebecca and Richardson, Mark P and Stewart, Robert and Shah, Anoop D and Wong, Wai Keong and Ibrahim, Zina and Teo, James T and Dobson, Richard J B",
  journal="Artif. Intell. Med.",
  volume=117,
  pages="102083",
  month=jul,
  year=2021,
  issn="0933-3657",
  doi="10.1016/j.artmed.2021.102083"
}

Foresight (Coming soon...)

Demo is available here

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