Web Languages for Knowledge Capturing Human knowledge is (partially captured on the Web as informal texts, semiformal documents, and structured metadata Each kind of knowledge has its(preferred) markup anguage Knowledge informal SemiformalMetadata Language HTML XML RDF Languages for Semantic WebLanguages for Semantic Web 4 Web Languages for Knowledge Capturing • Human knowledge is (partially) captured on the Web as informal texts, semiformal documents, and structured metadata • Each kind of knowledge has its (preferred) markup language Knowledge informal Semiformal Metadata Language HTML XML RDF