H.Lin, C.Amanatidis , M.Sideri, R.Karp, C.Papadimitriou, "Linked Decompositions of Networks and the Power of Choice in Polya Urns".Presented at San Francisco SODA2008.

A.Spatharis, I.Foudalis, M.Gjoka, P.Krouska, C.Amanatidis, C.Papadimitriou, M.Sideri, "Imporved Tradeoff-based Models of the Internet".Presented at Chengdu CODS07.

G.Kouroupas, E.Koutsoupias, C.Papadimitriou, M.Sideri, "Experiments with an Economic Model of the Worldwide Web".Presented at 1st Workshop on Internet and network Economics.

A.Kritikopoulos, M.Siderh, I.Varlamis, "BLOGRANK: Ranking the Blogosphere.".Presented at International Conference on Weblogs and Personal Media 2007 .

A.Kritikopoulos, M.Siderh, I.varlamis "Success Index: Measuring the Efficiency of Search Engines Using Implicit User Feedback.".Presented at PCI 2007 .

A.Kritikopoulos, M.Siderh, I.Varlamis, "Worldrank : A Method for Ranking Webpages Based on Content Similarity.".Presented at BNCOD 2007 2007 .

A.Kritikopoulos, M.Siderh, I.Varlamis, "BLOGRANK: Ranking Weblogs Based on Connectivity and similarity features.".Presented at ACM International Conference Proceeding Series; Vol. 198 2006.

A.Kritikopoulos, M.Siderh, K.Stroggilos "CrawlWave: A Distributed Crawler.".Presented at SETN 2004 .

A.Kritikopoulos, M.Siderh, "The Compass Filter: Search Engine Result Personalization Using Web Communities.".Presented at International Conference on Artificial Intelligence 2003 .