What is Semantic MediaWiki?
Semantic MediaWiki (abbreviated SMW) is an extension to MediaWiki, the wiki application best known for powering Wikipedia; it lets users store data in wiki pages, and query it elsewhere, thus turning a wiki that uses it into a semantic wiki. A large number of other extensions exist that are meant to be used in conjunction with Semantic MediaWiki (at least 30 currently); the term “Semantic MediaWiki” is sometimes used to refer to this entire family of extensions. These extensions cover everything from helping users to enter data, to visualizing data (in formats such as maps, calendars and graphs), to importing and exporting SMW data, to using SMW for workflow purposes. It should be noted that the extension is sometimes referred to simply as “Semantic”, perhaps because most of its spinoff extensions start with just the word “Semantic”, like “Semantic Forms”; this is incorrect, though. Semantic MediaWiki, like almost all other MediaWiki extensions, is both free and open source. You can re