You could look it up

dominic introduces the new read-write API for the U.S. National Archives' online catalog. Plus-one from me for providing (rate-limited) access without an API key or authentication -- quick start mode, if you will. I also like defaulting to pretty-print.

And search results return a field queryTime, which looks like it's the number of milliseconds that it took to execute the query (the interactive documentation isn't clear about this): of some value to client software, but very useful for developers maintaining and performance-testing the API itself.

Sherborn

Using regular expressions to crack the inconsistencies of a century-old bibliography and bring an important compendium of zoological taxonomy into the semantic web: Suzanne C. Pilsk et al., "Unlocking Index Animalium: From paper slips to bytes and bits."

News item

Evan Sandhaus announces the New York Times's implementation of rNews, a semantic markup scheme for news articles. Curiously, the blog post itself doesn't carry the markup.