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 …

List of Internet Business Models

I just realized that I wasn’t to active in this section of my blog. While thinking about Internet business models I tried to generalize the ideas behind some products and companies I know of. This results in my rather uncomplete list of Internet Business Models that I know of. This list will be extended every …

IBM's Watson & Google – What is the the difference?

Recently there was a lot of news on the Web about IBM’s natural language processing system Watson. As you might have heard right now Watson is challenging two of the best Jeopardy players in the US. A lot of news magazines compare Watson with Google which is the reason for this article. Even though the algorithms behind Watson and Google are not open source still a lot of estimates and guesses can be made about the algorithms both computer systems use in order to give intelligent answers to the questions people ask them. Based on this guesses I will explain the differences between Google and Watson.