Monthly Archives: June 2008

Inevitable Nipple Analogy

“A genetic theory of homosexuality.” by William Saletan in yesterday’s Slate suggests an inevitable analogy. The article reports on recent work (pdf) addressing the ‘if homosexuality is genetic, why hasn’t it died out?’ debate, which suggests that the ‘gene for male homosexuality persists because it promotes—and is passed down through—high rates of procreation among gay [...]

Beautiful plumage: Topic Maps Not Dead Yet

Echoing recent discussion of Semantic Web “Killer Apps”, an “are Topic Maps dead?” thread on the topicmaps mailing list. Signs of life offered include (‘Collaborative, semantic and democratic social bookmarking’, Topic Maps meet social networking; featured tag: ‘topic maps‘) and a longer-list from Are Gulbrandsen who suggests a predictable hype-cycle dropoff is occuring, as [...]

RDFa Basics video from Manu Sporny

Via Dave Beckett in #swig IRC,  Manu Sporny’s handy 10 minute overview of RDFa Basics (see also other versions, source materials). Here’s a screen grab of the full FOAF example used. Note that the WG renamed ‘instanceof’ to ‘typeof’ recently. For the video-averse, a full transcript is available. Here’s the full XHTML markup example from [...]

OpenSocial schema extraction: via Javascript to RDF/OWL

OpenSocial’s API reference describes a number of classes (‘Person’, ‘Name’, ‘Email’, ‘Phone’, ‘Url’, ‘Organization’, ‘Address’, ‘Message’, ‘Activity’, ‘MediaItem’, ‘Activity’, …), each of which has various properties whose values are either strings, references to instances of other classes, or enumerations. I’d like to make them usable beyond the confines of OpenSocial, so I’m making an RDF/OWL [...]