RAG-Powered Knowledge Assistant

RAG-Powered Knowledge Assistant

Business impact
  • -50%

    time spent searching for information

  • +35%

    questions resolved without escalation

  • 90 hrs/month

    saved across teams

  • Source-cited

    answers are grounded in approved documents

Business Challenge

Employees needed to search across scattered wikis, PDFs, shared drives, and conversations to find reliable answers. Keyword search returned documents rather than answers, and experienced colleagues became the default help desk.

  • Internal guidance was spread across disconnected repositories.
  • Outdated or unstructured content made relevant material hard to locate.
  • New hires took time to learn where information lived.
  • Repeated questions interrupted colleagues and did not scale.
AI Opportunity

The organization had substantial internal knowledge; retrieving it was the bottleneck. Retrieval-augmented generation can ground answers in approved source material and expose citations for review.

  • Index approved internal documents across supported repositories.
  • Retrieve passages relevant to each employee question.
  • Generate answers grounded in retrieved company content.
  • Admit when source material does not support a confident answer.
Solution

We built a RAG assistant that indexes approved internal documents and refreshes them as content changes. Answers cite their sources, and the assistant abstains when it cannot find reliable evidence.

  • Index wiki pages, PDFs, policies, and other approved sources.
  • Retrieve and rerank passages for relevance to each question.
  • Cite source documents alongside generated answers.
  • Suggest escalation instead of guessing when evidence is missing.
FAQ
Technology Stack
  • Python

  • Retrieval-augmented generation (RAG)

  • Large language models (LLMs)

  • Text embeddings

  • Vector databases

  • Semantic search

  • Cross-encoder reranking

  • AI-powered source-grounded responses

  • AI knowledge assistant design

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