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A distributed approximate nearest neighborhood search library by Microsoft

What is SPTAG?

SPTAG (Space Partition Tree And Graph) is a library for large scale vector approximate nearest neighbor search scenario released by Microsoft Research (MSR) and Microsoft Bing.
SPTAG is a tool in the Search Tools category of a tech stack.
SPTAG is an open source tool with 3.3K GitHub stars and 359 GitHub forks. Here’s a link to SPTAG's open source repository on GitHub

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SPTAG Alternatives & Comparisons

What are some alternatives to SPTAG?
The Elasticsearch query DSL supports 100+ query APIs ranging from full-text search, numeric range filters, geolocation queries to nested and span queries. Mirage is a modern, open-source web based query explorer for Elasticsearch.
Elastic is an Elasticsearch client for the Go programming language.
dejaVu fits the unmet need of being a hackable data browser for Elasticsearch. Existing browsers were either built with a legacy UI and had a lacking user experience or used server side rendering (I am looking at you, Kibana).
Searchkit is a suite of React components that communicate directly with your Elasticsearch cluster. Each component is built in React and is fully customisable to your needs.
Elassandra is a fork of Elasticsearch modified to run on top of Apache Cassandra in a scalable and resilient peer-to-peer architecture. Elasticsearch code is embedded in Cassanda nodes providing advanced search features on Cassandra tables and Cassandra serve as an Elasticsearch data and configuration store.
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