Open Access and the Boycott of Elsevier! Let uns not stop here and take the digital revolution one step further!

Believing in open models and supporting ideas of copy left I am more than happy to see the current developement of scientists worldwide publicly making statements of not supporting Elsevier in the future which I will obviously join! You can find the page where scientists make thos statements under: http://thecostofknowledge.com/ And you find much more resources …

Graphity: An efficient Graph Model for Retrieving the Top-k News Feeds for users in social networks

UPDATE: the paper got accepted at SOCIALCOM2012 and the source code and data sets are online especially the source code of the graphity server software is now online! UPDATE II: Download the paper (11 Pages from Social Com 2012 with Co Authors: Thomas Gottron, Jonas Kunze, Ansgar Scherp and Steffen Staab) and the slides I already said …

My Blog guesses your name – Binary Search Exercise for Algorithms and data structures class

Binary Search http://en.wikipedia.org/wiki/Binary_search_algorithm is a very basic algorithm in computer science. Despite this fact it is also important to understand the fundamental principle behind it. Unfortunately the algorithm is tought so early and the algorithm is so simple that beginning students sometimes have a hard time to understand the abstract principle behind it. Also many …