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links for 2009-12-01
A Survey of Collaborative Filtering Techniques As one of the most successful approaches to building recommender systems, collaborative filtering (CF) uses the known preferences of a group of users to make recommendations or predictions of the unknown preferences for other users. In this paper, we first introduce CF tasks and their main challenges, such as […]
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Head-To-Head: ACAP Versus Robots.txt For Controlling Search Engines
Danny Sullivan put up a great (and very long) post comparing ACAP and Robots.txt in the Context of the current discussion around paid content and the Hamburg declaration. I urge you to read it in full if you want to know more about the current situation, and why ACAP will not help the publishers to […]
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The End Of The CrunchPad | Techcrunch
I was watching the Crunchpad for quite some time (see e.g. here). It was the device that came closest to my dream surfing/ereading device (besides an Apple Tablet with a PixelQi screen). Now Michael Arrington announces it’s end, due to “interesting circumstances” to say the least. Given the nature of TechCrunch i’l take his version […]