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This is an accepted version of this page This is the latest accepted revision, reviewed on 16 February 2025. Protocol and file format to list the URLs of a website For the graphical representation of the architecture of a web site, see site map. This article contains instructions, advice, or how-to content. Please help rewrite the content so that it is more encyclopedic or move it to ...
A federated database system (FDBS) is a type of meta-database management system (DBMS), which transparently maps multiple autonomous database systems into a single federated database. The constituent databases are interconnected via a computer network and may be geographically decentralized. Since the constituent database systems remain ...
Sources – Web portal for journalists, freelance writers, editors, authors, and researchers; in addition to a search engine it includes a subject-based directory. World Wide Web Virtual Library (VLIB) – Was the first directory of the Web, and operated from 1991–2005.
Sitemaps may be addressed to users or to software. Many sites have user-visible sitemaps which present a systematic view, typically hierarchical, of the site. These are intended to help visitors find specific pages, and can also be used by crawlers. They also act as a navigation aid [1] by providing an overview of a site's content at a single ...
"In the absence of a global authority, the federated architecture has to resolve two conflicting requirements: the components must maintain as much autonomy as possible, but the components must be able to achieve a reasonable degree of information sharing" (Heimbiger, 1985). This is the reason federated architecture strongly demands for governance.
The main page had links to the 16 main categories, [4] along with the World and Kids and Teens links. There was a search box on top that allowed users to search the Google Directory. On top of that was the slogan in green letters: "The web organized by topic into categories." On top of that were links to other Google services.
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Federated search retrieves information from a variety of sources via a search application built on top of one or more search engines. [1] A user makes a single query request which is distributed to the search engines, databases or other query engines participating in the federation. The federated search then aggregates the results that are ...