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When Pinecone announced a vector database at the beginning of last year, it was building something that was specifically designed for machine learning and aimed at data scientists. It turns out ...
A vector database, vector store or vector search engine is a database that can store vectors (fixed-length lists of numbers) along with other data items. Vector databases typically implement one or more Approximate Nearest Neighbor algorithms, [1] [2] [3] so that one can search the database with a query vector to retrieve the closest matching database records.
The Hierarchical navigable small world (HNSW) algorithm is a graph-based approximate nearest neighbor search technique used in many vector databases. [1] [2] Nearest neighbor search without an index involves computing the distance from the query to each point in the database, which for large datasets is computationally prohibitive.
Some authors regard semantic search as a set of techniques for retrieving knowledge from richly structured data sources like ontologies and XML as found on the Semantic Web. [2] Such technologies enable the formal articulation of domain knowledge at a high level of expressiveness and could enable the user to specify their intent in more detail ...
Cross-platform open-source desktop search engine. Unmaintained since 2011-06-02 [9]. LGPL v2 [10] Terrier Search Engine: Linux, Mac OS X, Unix: Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. MPL v1.1 [11] Tracker: Linux, Unix: Open-source desktop search tool for Unix/Linux GPL v2 [12] Tropes Zoom: Windows: Semantic Search Engine (no ...
OpenSearch (software) and Solr: the two most well-known search engine programs (many smaller exist) based on Lucene. Gensim is a Python+ NumPy framework for Vector Space modelling. It contains incremental (memory-efficient) algorithms for term frequency-inverse document frequency , latent semantic indexing , random projections and latent ...
Free and open-source software portal ... The Natural Number Game - an interactive tutorial to learn Lean; Moogle.ai - a semantic search engine for finding theorems ...
Google releases Google Hummingbird, a core algorithm update that may enable a more semantic search and more effective use of the Knowledge Graph in the future. [36] [87] [88] 2014 January 22 New web search engine Searx, a free and open-source metasearch engine, is launched. [89] Searx puts an emphasis on privacy. [90] July 24 Search algorithm ...