Search Engines and Links
noun: search engine; plural noun: search engines; noun: searchengine; plural noun: searchengines
Computer program that searches databases and internet sites for the documents containing keywords specified by a user. Some search engines allow inclusion of Boolean operators (see Boolean search) such as 'And,' 'Or,' 'Not,' that make a search specific and faster. Google is the most popular search engine in today's world.
a program that searches for and identifies items in a database that correspond to keywords or characters specified by the user, used especially for finding particular sites on the World Wide Web.
Search engines are programs that search documents for specified keywords and returns a list of the documents where the keywords were found. A search engine is really a general class of programs, however, the term is often used to specifically describe systems like Google, Bing and Yahoo! Search that enable users to search for documents on the World Wide Web. Web Search Engines
Typically, Web search engines work by sending out a spider to fetch as many documents as possible. Another program, called an indexer, then reads these documents and creates an index based on the words contained in each document. Each search engine uses a proprietary algorithm to create its indices such that, ideally, only meaningful results are returned for each query.
As many website owners rely on search engines to send traffic to their website, and entire industry has grown around the idea of optimizing Web content to improve your placement in search engine results. Learn more about search engine optimization (SEO) in this Webopedia' definition.
Meaning of link:
- 1. To bind together.
- 2. In programming, the term link refers to execution of a linker.
- 3. To paste a copy of an object into a document in such a way that it retains its connection with the original object.
Updates to the original object can be reflected in the duplicate by updatingthe link.
- 4. In spreadsheet programs, linking refers to the ability of a worksheet to take its data for particular cells from another worksheet. Two or more files are thus linkedby common cells.
- 5. In communications, a link is a line or channel over which data is transmitted.
- 6. In data management systems, a link is a pointer to another record. You can connect one or more records by inserting links into them.
- 7. In some operating systems (UNIX, for example), a link is a pointer to a file. Links make it possible to reference a file by several different names and to access a file without specifying a full path.
- 8. In hypertext systems, such as the World Wide Web, a link is a reference to another document. Such links are sometimes called hot links because they take you to other document when you click on them.