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Elasticsearch is a search engine based on Apache Lucene. It provides a distributed, multitenant -capable full-text search engine with an HTTP web interface and schema-free JSON documents. Official clients are available in Java , [ 2 ] .NET [ 3 ] ( C# ), PHP , [ 4 ] Python , [ 5 ] Ruby [ 6 ] and many other languages. [ 7 ]
In information retrieval, Okapi BM25 (BM is an abbreviation of best matching) is a ranking function used by search engines to estimate the relevance of documents to a given search query. It is based on the probabilistic retrieval framework developed in the 1970s and 1980s by Stephen E. Robertson , Karen Spärck Jones , and others.
Elastic NV is an American-Dutch software company that provides self-managed and software as a service (SaaS) offerings for search, logging, security, observability, and analytics use cases. [2] It was founded in 2012 in Amsterdam, the Netherlands, and was previously known as Elasticsearch. [3]
The Wikipedia search, based on Elasticsearch, pages take "incategory" parameters which allow narrowing searches by category. By combining multiple incategory parameters you can intersect categories. For example: Let's say you had two categories: Category:Athletes (track and field) at the 1984 Summer Olympics Category:French female sprinters
The combination of Elasticsearch, Logstash, and Kibana, referred to as the "Elastic Stack" (formerly the "ELK stack"), is available as a product or service. [6] Logstash provides an input stream to Elasticsearch for storage and search, and Kibana accesses the data for visualizations such as dashboards. [ 7 ]
As the Jewish Festival of Lights, or Hanukkah, is fast approaching (December 25, 2024 to January 2, 2025), we’re looking forward to playing dreidel (and winning gelt!), lighting the menorah with ...
An increasing number of enterprise search vendors provide software for implementing faceted search applications. Online retail catalogs pioneered the earliest applications of faceted search, reflecting both the faceted nature of product data (most products have a type, brand, price, etc.) and the ready availability of the data in retailers ...
Image source: The Motley Fool. MongoDB (NASDAQ: MDB) Q3 2025 Earnings Call Dec 09, 2024, 5:00 p.m. ET. Contents: Prepared Remarks. Questions and Answers. Call ...