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» Algorithmic Information Theory
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WWW
2009
ACM
16 years 8 months ago
Rare item detection in e-commerce site
As the largest online marketplace in the world, eBay has a huge inventory where there are plenty of great rare items with potentially large, even rapturous buyers. These items are...
Dan Shen, Xiaoyuan Wu, Alvaro Bolivar
PODS
2003
ACM
114views Database» more  PODS 2003»
16 years 7 months ago
An information-theoretic approach to normal forms for relational and XML data
Normalization as a way of producing good database designs is a well-understood topic. However, the same problem of distinguishing well-designed databases from poorly designed ones...
Marcelo Arenas, Leonid Libkin
MOBIHOC
2007
ACM
16 years 7 months ago
The multicast capacity of large multihop wireless networks
We consider wireless ad hoc networks with a large number of users. Subsets of users might be interested in identical information, and so we have a regime in which several multicas...
Srinivas Shakkottai, Xin Liu, R. Srikant
HT
2009
ACM
16 years 2 months ago
Hyperincident connected components of tagging networks
Data created by social bookmarking systems can be described as 3-partite 3-uniform hypergraphs connecting documents, users, and tags (tagging networks), such that the toolbox of c...
Nicolas Neubauer, Klaus Obermayer
RECSYS
2009
ACM
16 years 2 months ago
Collaborative prediction and ranking with non-random missing data
A fundamental aspect of rating-based recommender systems is the observation process, the process by which users choose the items they rate. Nearly all research on collaborative ï¬...
Benjamin M. Marlin, Richard S. Zemel