InMemoryDocumentStore
InMemoryEmbeddingRetriever
SentenceTransformersDocumentEmbedder
SentenceTransformersTextEmbedder
⚠️ Note of caution: The method showcased in this tutorial is not always the right approach for all types of metadata. This method works best when the embedded metadata is meaningful. For example, here we’re showcasing embedding the “title” meta field, which can also provide good context for the embedding model.
source & further reading
haystack.deepset.ai — original article
Haystack: Open-Source AI Framework for Production Ready Agents, RAG
Creating Your First QA Pipeline with Retrieval-Augmentation
Preprocessing Different File Types