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The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. . Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is availa
These include web search engines (e.g. Google), database or structured data search engines (e.g. Dieselpoint), and mixed search engines or enterprise search. The more prevalent search engines, such as Google and Yahoo! , utilize hundreds of thousands computers to process trillions of web pages in order to return fairly well-aimed results.
An image search engine is a search engine that is designed to find an image. The search can be based on keywords, a picture, or a web link to a picture. The results depend on the search criterion, such as metadata, distribution of color, shape, etc., and the search technique which the browser uses.
Cross-platform open-source desktop search engine. Unmaintained since 2011-06-02 [9]. LGPL v2 [10] Terrier Search Engine: Linux, Mac OS X, Unix: Desktop search for Windows, Mac OS X (Tiger), Unix/Linux. MPL v1.1 [11] Tracker: Linux, Unix: Open-source desktop search tool for Unix/Linux GPL v2 [12] Tropes Zoom: Windows: Semantic Search Engine (no ...
In computer science, brute-force search or exhaustive search, also known as generate and test, is a very general problem-solving technique and algorithmic paradigm that consists of systematically checking all possible candidates for whether or not each candidate satisfies the problem's statement.
This lookup will return the occurrence of c in P with the next-highest index < or -1 if there is no such occurrence. The proposed shift will then be i − j {\displaystyle i-j} , with O ( 1 ) {\displaystyle O(1)} lookup time and O ( k m ) {\displaystyle O(km)} space, assuming a finite alphabet of length k .
The goals of building a distributed search engine include: 1. to create an independent search engine powered by the community; 2. to make the search operation open and transparent by relying on open-source software; 3. to distribute the advertising revenue to node maintainers, which may help create more robust web infrastructure;
Domain-specific verticals focus on a specific topic. John Battelle describes this in his book The Search (2005): . Domain-specific search solutions focus on one area of knowledge, creating customized search experiences, that because of the domain's limited corpus and clear relationships between concepts, provide extremely relevant results for searchers.