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Search engine indexing is the collecting, parsing, and storing of data to facilitate fast and accurate information retrieval. Index design incorporates interdisciplinary concepts from linguistics, cognitive psychology, mathematics, informatics, and computer science. An alternate name for the process, in the context of search engines designed to ...
Redis. Redis ( / ˈrɛdɪs /; [7] [8] Remote Dictionary Server) [7] is a source-available, in-memory storage, used as a distributed, in-memory key–value database, cache and message broker, with optional durability. [9] Because it holds all data in memory and because of its design, Redis offers low- latency reads and writes, making it ...
Search data structure. In computer science, a search data structure[citation needed] is any data structure that allows the efficient retrieval of specific items from a set of items, such as a specific record from a database . The simplest, most general, and least efficient search structure is merely an unordered sequential list of all the items.
Distributed search engine. A distributed search engine is a search engine where there is no central server. Unlike traditional centralized search engines, work such as crawling, data mining, indexing, and query processing is distributed among several peers in a decentralized manner where there is no single point of control.
Search engine (computing) In computing, a search engine is an information retrieval software system designed to help find information stored on one or more computer systems. Search engines discover, crawl, transform, and store information for retrieval and presentation in response to user queries. The search results are usually presented in a ...
Lucene - Apache Lucene is a full-featured text search engine library written in Java. Sphinx Search - Open source high-performance, full-featured text search engine library used by craigslist and others employing an inverted index. Example implementations on Rosetta Code; Caltech Large Scale Image Search Toolbox: a Matlab toolbox implementing ...
Abstract syntax tree. An abstract syntax tree ( AST) is a data structure used in computer science to represent the structure of a program or code snippet. It is a tree representation of the abstract syntactic structure of text (often source code) written in a formal language. Each node of the tree denotes a construct occurring in the text.
Entity component system ( ECS) [a] is a software architectural pattern mostly used in video game development for the representation of game world objects. An ECS comprises entities composed from components of data, with systems which operate on the components. ECS follows the principle of composition over inheritance, meaning that every entity ...