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NASA's Mercury metadata search system uses OAI-PMH to index thousands of metadata records from Global Change Master Directory (GCMD) every day. [20] The mod_oai project is using OAI-PMH to expose content to web crawlers that is accessible from Apache Web servers. OAI-PMH has later been applied to sharing of scientific data. [21]
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.
A redirect may be categorized in the same way as for any other page. When it is possible, use redirect category templates (rcats). For clarity, all category links should be added at the end of the page on their own lines, after the redirect target link and rcat(s). Use of a blank line between the redirect target link and all rcats and category ...
Methods on objects are functions attached to the object's class; the syntax instance. method (argument) is, for normal methods and functions, syntactic sugar for Class. method (instance, argument). Python methods have an explicit self parameter to access instance data , in contrast to the implicit self (or this ) in some other object-oriented ...
Google recalculates PageRank scores each time it crawls the Web and rebuilds its index. As Google increases the number of documents in its collection, the initial approximation of PageRank decreases for all documents. The formula uses a model of a random surfer who reaches their target site after several clicks, then switches to a random page ...
Google Search (also known simply as Google or Google.com) is a search engine operated by Google. It allows users to search for information on the Web by entering keywords or phrases. Google Search uses algorithms to analyze and rank websites based on their relevance to the search query. It is the most popular search engine worldwide.
There are a variety of ways in which Wikipedia attempts to control search engine indexing, commonly termed "noindexing" on Wikipedia. The default behavior is that articles older than 90 days are indexed. All of the methods rely on using the noindex HTML meta tag, which tells search engines not to index certain pages. Respecting the tag ...
New magic words __INDEX__ and __NOINDEX__ control whether a page can be indexed by search engines, Wikipedia Signpost, July 28, 2008; Template:NOINDEX is created on August 9, 2008 Template:INDEX is created on August 30, 2008 Search engine indexing updates (Sept 13, 2008) Control en.wiki's robots.txt file from the wiki at MediaWiki:Robots.txt