Semantic Radar is a semantic metadata detector for Mozilla Firefox.
It is a browser extension which inspects web pages for links to Semantic Web metadata and shows an icon in the browser’s status bar when it finds any. Currently it supports RDF autodiscovery (SIOC, FOAF, DOAP and any type) and RDFa metadata detection.
Archive for February 2008
The Semantic Web Deployment Working Group and the XHTML 2 Working Group of the W3C have jointly published the Last Call Working Draft of RDFa in XHTML: Syntax and Processing. Comments are welcome through 21 March.
Christopher St. John is suggesting getting together for a RDFa-outreach dinner in Dallas sometime over the next week or so in combination with the South by South West Interactive (SXSWi) conference. If you are interested, drop him a line.
The new experimental Yahoo Microsearch supports RDFa marked-up pages. For instance, searching for Ivan Herman shows his location on a map, and several predicates he uses on his home page. such as ‘formatted name’ and ‘holds account’, appear in the search results.
A couple of days ago, riese (RDFizing and Interlinking the EuroStat Data Set Effort) has been launched; it aims at serving the entire statistical data available via Eurostat (some 3 billion triple). Currently, riese is the largest known deployment of XHTML+RDFa content on the Web (some 5 million triple). In riese, several vocabularies are in use: From AtomOwl (for data updates) over DOAP (self-description of the project) to SKOS (hierarchical order of themes).
The riese Semantic Web application is a good-practice implementation of several of the Semantic Web Deployment WG, such as RDFa, SKOS, but also Best Practice Recipes for Publishing RDF Vocabularies (for riese’s schemas). Last but not least, riese is a contribution to the linked-data initiative, where the aim is to create semantic links between open datasets available on the Web.
Bob DuCharme has posted an excellent analysis of the value of RDFa and how it compares to microformats.
