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The InMemoryKnowledgeBase class is an in-memory implementation of the KnowledgeBase interface. It provides fast, local storage for documents with support for topic-based organization. This implementation is ideal for lightweight applications that do not require a persistent database or cloud-based storage. Unlike cloud-based solutions, this implementation stores all documents in memory, making it extremely fast but limited by system memory.

Key Features

  • In-Memory Storage: Stores all documents in Python dictionaries for quick access.
  • Topic-Based Organization: Documents are grouped by topics for easy categorization.
  • Fast Document Retrieval: Provides quick access to retrieving documents by ID.
  • Random Document Selection: Supports random selection of documents from the filtered set.
  • Basic Similarity Search: Returns random documents from the same topic as a given seed document.

Usage Example