§ ¦ìNgèãó —dZdS)aá**Index** is used to avoid writing duplicated content into the vectostore and to avoid over-writing content if it's unchanged. Indexes also : * Create knowledge graphs from data. * Support indexing workflows from LangChain data loaders to vectorstores. Importantly, Index keeps on working even if the content being written is derived via a set of transformations from some source content (e.g., indexing children documents that were derived from parent documents by chunking.) N)Ú__doc__©óú`/var/www/html/ai-engine/env/lib/python3.11/site-packages/langchain_community/indexes/__init__.pyúrsðð ð ð ð r