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Example code of unocha/ocha_ai

Informations about the package ocha_ai

OCHA AI Module

This module contains 2 additional modules

Migrate from ocha_ai_chat

New settings in settings/php

Plugins

The module uses a system of plugins to handle the different components of the functionality

Dependencies

TODO

Plugins

OCHA AI Chat Module

This module provides a "chat" functionality to perform queries against ReliefWeb documents via AI (large language models).

This implements a RAG (retrieval augmented generation) approach:

  1. Get ReliefWeb documents so that we have a limited scope for the question.
  2. Extract texts from the documents and their attachments
  3. Split the texts into passages (smaller texts)
  4. Generate embeddings for the passages
  5. Store the passages and their embeddings in a vector database
  6. Uppon query, generate the embedding for the question
  7. Retrieve relevant passages from the vector store using a cosine similarity between the question embedding and the passage embeddings.
  8. Generate a prompt with the relevant passages, asking the AI to only answer based on the information in those passages
  9. Pass the prompt to a Large Language Model to get an answer to the question

Service (Chat)

The "chat" functionality is provided by the OchaAiChat service. This service glues the different plugins together.

User feedback on answers (Chat)

There are three feedback modes that visitors might see:

Additionally, the Copy to Clipboard button can now store whether it was clicked for each answer. This data is found in the copied column of the logs table.

TODO (Chat)

Plugins for Chat

Improve answer

Logging

OCHA AI Tag Module

Service (tag)

The "tag" functionality is provided by the OchaAiTagTagger service. This service glues the different plugins together.

All versions of ocha_ai with dependencies

PHP Build Version
Package Version
Requires php Version >=8.2
aws/aws-sdk-php Version ^3.283
drupal/core Version ^10
drupal/honeypot Version ^2
openai-php/client Version ^0.7
pear/text_languagedetect Version ^1.0
reliefweb/simple-autocomplete Version ^v1.3
reliefweb/simple-datepicker Version ^v1.3
symfony/uid Version ^6.3
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