A recent photo from Highload.ruI said in my last post, that we're interested in speaking at MySQL meetups, and I'm happy to say that the Los Angeles MySQL Meetup has taken us up on the offer.On November 18th, I'll be

Most don't leech, think tank discoversA think tank survey into UK music fans suggests that timid major record companies, obsessed with "cannibalisation" and "substitution", have spent a decade barking up the wrong tree....

But why not in colour?Electronic books are popping up everywhere, but in the quest for colour it's worth remembering that ink isn't just used to print books....

Google not listeningSome Gmail users say they've been unable to access to the service for long stretches today and yesterday, though Google has not acknowledged any problem on its "."...

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Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine the effectiveness of BM25 on various document fields. We find that BM25 models relevance

Evaluating DVE topology management and message propagation schemes requires avatar movement models. Most models are based on reasoned assumptions rather than measured data, potentially biasing evaluation. We measured player movement in World of Warcraft battlegrounds, and compared our observations against

In this paper, we aim at characterizing podcast services both from publishers' and users' perspectives, and at analyzing the implications of these characteristics on the design of efficient dissemination systems. Specifically, our goal is to characterize how podcasting content is

Different queries require different ranking methods. It is however challenging to determine what queries are similar, and how to rank documents for them. In this paper, we propose a new method to cluster queries according to the similarity determined based

Most work in sensor networks tries to maximize network lifetime. However, for many applications the required lifetime is known in advance. Therefore, application quality should rather be maximized for that given time. Levels, the approach presented in this article, is

No search engine is perfect. A typical type of imperfection is the preference misalignment between search engines and end users, e.g., from time to time, web users skip higherranked documents and click on lower-ranked ones. Although search engines have been

Understanding intents from search queries can improve a user's search experience and boost a site's advertising profits. Query tagging via statistical sequential labeling models has been shown to perform well, but annotating the training set for supervised learning requires substantial