These are organized by a classification scheme developed exclusively for Cosma. More…
portal : a web site serving as a guide or point of entry to the World Wide Web and usually including a search engine or a collection of links to other sites arranged especially by topic — Webster
Web portal a web site that functions as a point of access to information on the World Wide Web and presents information from diverse sources in a unified way – examples of public web portals are AOL, Excite, iGoogle, MSN, Netvibes, and Yahoo! — Wikipedia
Web portals are used in many domains including business and education. This site uses the term to refer to extensive network accessible bodies of knowledge about subjects or disciplines. Cosma is an example of a web portal for general knowledge.