The Cell Broadband Engine (BE) Architecture is a new heterogeneous multi-core architecture targeted at compute-intensive workloads. The architecture of the Cell BE has several features that are unique in high-performance general-purpose processors, most notably the extensive support for vectorization, scratch pad memories and explicit programming of direct memory accesses (DMAs) and mailbox communication

Community-driven Question Answering (CQA) services on the Internet enable users to share content in the form of questions and answers. Nonetheless, questions usually attract multiple answers of varying quality from the user community.

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PrePrint: What makes a high quality user-generated answer?

The more outgoing and informal social nature of the blogosphere opens the opportunity for exploiting more socially-oriented features, such as credibility and popularity, for searching, recommendation, and other tasks. In this article, we provide evidence that one of these features, namely blog popularity, has been underexploited by current search engines, including specialized ones, and that there is low correlation between blog popularity and their perceived importance in the Web graph as measured by PageRank

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PrePrint: On Popularity in the Blogosphere