A page about London in MediaWiki (right) and in SMW (left).Ī semantic wiki is set up and integrated with the proposed facility where experts of the domain can use this dedicated online space to publish the output of their work in the form of scientific articles, case studies or other forms, participate in discussions and contribute in or benefit from the advancement of the biorefining field. Properties are used to express binary relationships between one semantic entity (as represented by a wiki page) and some other such entity or data value ( Krötzsch et al., 2007).įigure 3. Annotation of pages in SMW is established using properties and types. The representation difference between a wiki and a semantic wiki is illustrated in Figure 3 with the case of an article about London ( Figure 2) and giving specific information about it as area and population. To improve this a wiki can uses the Semantic Media Wiki (SMW) extension which enables to semantically annotate wiki pages with explicit, machine-readable information, based on which the wiki contents can be browsed, searched, and reused in novel ways. Users can easily link between two articles in wikis to indicate a relationship but not so to indicate the nature of that relationship in a way that is computationally accessible to the system or to external developers. Although the data in this Wikis is structured, it is unclear to computers because it is not represented in a machine-processable way. In terms of technology and implementation Wikipedia is powered by Media Wiki engine, open software initially developed for Wikipedia and later on used by many wiki projects. Wiki manage online contentin a quick and easy way, mainly as plain text. Wikis are a very popular collaboration tool operation on the web and many online communities employ wikis to exchange knowledge.
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