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Web search or full-text search (e.g. Lucene). Database or structured data search (e.g. Dieselpoint). Mixed or enterprise search (e.g. Google Search Appliance). The largest online directories, such as Google and Yahoo, utilize thousands of computers to process billions of website documents using web crawlers or spiders (software), returning ...
The most widely used type of search engine is a web search engine, which searches for information on the World Wide Web. A search engine normally consists of four components, as follows: a search interface, a crawler (also known as a spider or bot), an indexer, and a database.
Web search engine submission is a process in which a webmaster submits a website directly to a search engine. While search engine submission is sometimes presented as a way to promote a website, it generally is not necessary because the major search engines use web crawlers that will eventually find most web sites on the Internet without ...
Users need to account for qualities and limitations of databases and search engines, especially those searching systematically for records such as in systematic reviews or meta-analyses. [2] As the distinction between a database and a search engine is unclear for these complex document retrieval systems, see:
ISYS Search Software: Windows: ISYS:Desktop search software. Proprietary (14-day trial) KRunner: Linux: Locate32: Windows: Graphical port of Unix's locate & updatedb BSD License [6] Lookeen: Windows: Desktop search product with Outlook plugin and limited support for other formats via IFilters, uses Lucene search engine. Proprietary (14-day ...
Database search engine – search engine that operates on material stored in a digital database; Desktop search engine – Distributed search engine – 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 ...
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Web search engines are listed in tables below for comparison purposes. The first table lists the company behind the engine, volume and ad support and identifies the nature of the software being used as free software or proprietary software .
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