Search results
Results From The WOW.Com Content Network
A relational database management system uses SQL MERGE (also called upsert) statements to INSERT new records or UPDATE existing records depending on whether condition matches. It was officially introduced in the SQL:2003 standard, and expanded [citation needed] in the SQL:2008 standard.
Okapi BM25. 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.
Bitap algorithm. The bitap algorithm (also known as the shift-or, shift-and or Baeza-Yates-Gonnet algorithm) is an approximate string matching algorithm. The algorithm tells whether a given text contains a substring which is "approximately equal" to a given pattern, where approximate equality is defined in terms of Levenshtein distance – if ...
Approximate string matching. A fuzzy Mediawiki search for "angry emoticon" has as a suggested result "andré emotions". In computer science, approximate string matching (often colloquially referred to as fuzzy string searching) is the technique of finding strings that match a pattern approximately (rather than exactly).
Matching (statistics) Matching is a statistical technique that evaluates the effect of a treatment by comparing the treated and the non-treated units in an observational study or quasi-experiment (i.e. when the treatment is not randomly assigned). The goal of matching is to reduce bias for the estimated treatment effect in an observational-data ...
At a rapid time control, Korchnoi played a four-game match against GM Mark Taimanov (b. 1926) in November 2015. Korchnoi won the match 2–1 with one draw. The combined ages of the players was 174. This was the first time since 1980 that Korchnoi had played in an official or friendly match with an opponent older than himself.
Match Group is an American internet and technology company headquartered in Dallas, Texas. [1] It owns and operates the largest global portfolio of popular online dating services including Tinder, Match.com, Meetic, OkCupid, Hinge, Plenty of Fish, OurTime, and other dating global brands. [2] The company was owned by IAC until July 2020 when ...
Matching funds. Matching funds are funds that are set to be paid in proportion to funds available from other sources. Matching fund payments usually arise in situations of charity or public good. The terms cost sharing, in-kind, and matching can be used interchangeably but refer to different types of donations. [1]