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TF-IDF (term frequency-inverse document frequency) is a numerical statistic that measures how important a word is to a single document within a larger collection or corpus, computed as the product of two…
Tavily is a search engine and API platform built specifically for AI agents and retrieval-augmented generation (RAG) systems.
Toast 1 is a hosted text model from Mixedbread that is specialized for multistep search and evidence synthesis.
In deep learning, a tower is a self-contained sub-network inside a larger model that encodes one specific input or feature group into an output, usually an embedding
Turbopuffer is a serverless vector and full-text search database built from first principles on object storage such as Amazon S3 and Google Cloud Storage.
The two-tower model, also known as the dual encoder, bi-encoder, or Siamese network for retrieval, is a neural network architecture that encodes a query and a candidate item with two separate sub-networks…
A vector database is a database that stores data as high-dimensional vectors (numerical embeddings produced by a machine learning model) and retrieves records by similarity rather than exact match
Vector embeddings are dense numerical representations of objects (text, images, audio, video, code, graphs, or any structured data) that map them into a continuous vector space such that semantic similarity…
Vespa is an open-source big-data serving engine that combines vector search, lexical search, and structured search inside a single query, with real-time indexing and machine-learned ranking executed on the…
Voyage AI is an artificial intelligence company that builds state-of-the-art embedding and reranking models for retrieval-augmented generation and semantic search.
Voyage-3 is a family of general-purpose text embedding models developed by Voyage AI, launched in September 2024 with voyage-3 and voyage-3-lite , expanded in January 2025 with voyage-3-large , and refreshed…
WeMM-Embedding (WeChat Multi-Modal Embedding) is a family of open-weight universal multimodal embedding models built by the WeChat Vision team at Tencent.
You.com is an artificial intelligence company that builds AI-powered web search infrastructure and enterprise research agents, founded in 2020 by Richard Socher and Bryan McCann
text-embedding-3 is a family of third-generation text embedding models that OpenAI released on January 25, 2024.