Semantic Web layer cake

Tim Berners-Lee's diagram of the Semantic Web as layers, first shown in his XML 2000 keynote in December 2000: Unicode and URIs at the base, then XML, RDF and RDF Schema, an ontology vocabulary, logic, proof and trust, with digital signatures alongside. W3C redrew it as standards arrived, adding query and rules.

builds on

• URI concept 1994 [src]

part of

• Semantic Web concept 1998 [src]

created by

• Tim Berners-Lee person b. 1955 [src1][src2]

[?] Unconfirmed

• start: Month from the talk's W3C address (1206) and the XML 2000 conference; the slides themselves carry no date.

Sources

• https://www.w3.org/2000/Talks/1206-xml2k-tbl/slide10-0.html
• https://www.w3.org/2000/Talks/1206-xml2k-tbl/
• https://www.w3.org/2004/Talks/0412-RDF-functions/slide4-0.html
• https://en.wikipedia.org/wiki/Semantic_Web_Stack