As these definitions grow and interlink, specialists and enthusiasts will define taxonomies and ontologies: data sets that describe classes of objects and relations among them. These sets will help computers everywhere to find, understand and present targeted information.
Numerous groups are already building Semantic Web frameworks, especially in biology and health care [see “The Semantic Web in Action,” by Lee Feigenbaum; Scientific American, December 2007]. More than 1,000 people attended the Semantic Technology conference in San Jose, Calif., this past May. Web science offers the prospect of creating more powerful ways to define, link and interpret data.