Four short links: 2 May 2011

Internet Cafe Culture, Image Processing, Library Mining, and MediaWiki Parsing

  1. Chinese Internet Cafes (Bryce Roberts) — a good quick read. My note: people valued the same things in Internet cafes that they value in public libraries, and the uses are very similar. They pose a similar threat to the already-successful, which is why public libraries are threatened in many Western countries.
  2. SIFT — the Scale Invariant Feature Transform library, built on OpenCV, is a method to detect distinctive, invariant image feature points, which easily can be matched between images to perform tasks such as object detection and recognition, or to compute geometrical transformations between images. The licensing seems dodgy–MIT code but lots of “this isn’t a license to use the patent!” warnings in the LICENSE file. (via Joshua Schachter)
  3. The Secret Life of Libraries (Guardian) — I like the idea of the most-stolen-books revealing something about a region; it’s an aspect of data revealing truth. For a while, Terry Pratchett was the most-shoplifted author in England but newspapers rarely carried articles about him or mentioned his books (because they were genre fiction not “real” literature). (via Brian Flaherty)
  4. Sweble — MediaWiki parser library. Until today, Wikitext had been poorly defined. There was no grammar, no defined processing rules, and no defined output like a DOM tree based on a well defined document object model. This is to say, the content of Wikipedia is stored in a format that is not an open standard. The format is defined by 5000 lines of php code (the parse function of MediaWiki). That code may be open source, but it is incomprehensible to most. That’s why there are 30+ failed attempts at writing alternative parsers. (via Dirk Riehle)
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  • hogan scarpe

    I’ve always wondered how you got that bling effect going, huh.