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Evaluating System Architectures for Long-Document Q&A

A company needs to build a chatbot that can answer detailed questions about its entire 500-page employee handbook. They are considering two approaches:

  1. Use a model designed to process the entire handbook in a single input to find answers.
  2. Use a model with a smaller input capacity, combined with a system that first retrieves relevant sections of the handbook and then feeds only those sections to the model to generate an answer.

Evaluate these two approaches. In your evaluation, compare their potential strengths and weaknesses regarding answer accuracy, computational cost, and the ease of updating the handbook's information.

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Updated 2025-10-08

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Ch.2 Generative Models - Foundations of Large Language Models

Foundations of Large Language Models

Foundations of Large Language Models Course

Computing Sciences

Evaluation in Bloom's Taxonomy

Cognitive Psychology

Psychology

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