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» On the universality of rank distributions of website popular...
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CN
2006
81views more  CN 2006»
13 years 11 months ago
On the universality of rank distributions of website popularity
We present an extensive analysis of long-term statistics of the queries to websites using logs collected on several web caches in Russian academic networks and on US IRCache cache...
Serge A. Krashakov, Anton B. Teslyuk, Lev N. Shchu...
WWW
2010
ACM
14 years 5 months ago
Factorizing personalized Markov chains for next-basket recommendation
Recommender systems are an important component of many websites. Two of the most popular approaches are based on matrix factorization (MF) and Markov chains (MC). MF methods learn...
Steffen Rendle, Christoph Freudenthaler, Lars Schm...
SIGMOD
2008
ACM
193views Database» more  SIGMOD 2008»
14 years 11 months ago
ARCube: supporting ranking aggregate queries in partially materialized data cubes
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
Tianyi Wu, Dong Xin, Jiawei Han
WSDM
2010
ACM
214views Data Mining» more  WSDM 2010»
14 years 8 months ago
Pairwise Interaction Tensor Factorization for Personalized Tag Recommendation
Tagging plays an important role in many recent websites. Recommender systems can help to suggest a user the tags he might want to use for tagging a specific item. Factorization mo...
Steffen Rendle, Lars Schmidt-Thieme
VLDB
2005
ACM
177views Database» more  VLDB 2005»
14 years 4 months ago
Discovering Large Dense Subgraphs in Massive Graphs
We present a new algorithm for finding large, dense subgraphs in massive graphs. Our algorithm is based on a recursive application of fingerprinting via shingles, and is extreme...
David Gibson, Ravi Kumar, Andrew Tomkins