January 2010
1 post
13 tags
"A Local Maxima method and a Fair Dispersion...
Because of my research I’m interested in term correlation not just in pairs but in groups of ‘n’ terms (ngrams). Looking for some statistic measures and explanations about the advantages and implementations of Log-Likelihood measures I reached: Joaquim Ferreira da Silva, & Gabriel Pereira Lopes (1999). A Local Maxima method and a Fair Dispersion Normalization for extracting...
Jan 20th
December 2009
1 post
11 tags
"Why we twitter: understanding Microblogging usage...
One year and a half ago I spent lot of times reading those foundational papers about Web Information Retrieval where first analysis of usage on search engines (main information retrieval systems for Web) were performed. Those papers showed that the average user on the web search for information in a very different way, hardly describing their goals, visiting few alternatives and spending not much...
Dec 20th
25 notes
October 2009
2 posts
11 tags
"The Anti-Social Tagger – Detecting Spam in Social...
After reading “Combating Spam in Tagging Systems” by Koutrika et al. I followed the citation path looking for other papers and I found this: The Anti-Social Tagger – Detecting Spam in Social Bookmarking Systems by Krause et al. (Beate Krause, Christoph Schmitz, Andreas Hotho and Gerd Stumme) http://doi.acm.org/10.1145/1451983.1451998 This paper deals with spam detection in Bibsonomy...
Oct 25th
1 note
11 tags
"Combating Spam in Tagging Systems" by Koutrika et...
I’m interested in how SPAM in social networks is avoided when it comes to resources tagging. By resources tagging I mean “Ok, this resource is correctly associated with this tag” which differs a little bit from the usual behaviour when a user enters a URL in del.icio.us. In my case I have a series of resources that are shown to the user when he/she asks for a specific tag (or...
Oct 19th