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SDM
2011
SIAM
218views Data Mining» more  SDM 2011»
12 years 10 months ago
Segmented nestedness in binary data
A binary matrix is fully nested if its columns form a chain of subsets; that is, any two columns are ordered by the subset relation, where we view each column as a subset of the r...
Esa Junttila, Petteri Kaski
SIGECOM
2011
ACM
219views ECommerce» more  SIGECOM 2011»
12 years 10 months ago
GSP auctions with correlated types
The Generalized Second Price (GSP) auction is the primary method by which sponsered search advertisements are sold. We study the performance of this auction in the Bayesian settin...
Brendan Lucier, Renato Paes Leme
SIGIR
2011
ACM
12 years 10 months ago
Faster top-k document retrieval using block-max indexes
Large search engines process thousands of queries per second over billions of documents, making query processing a major performance bottleneck. An important class of optimization...
Shuai Ding, Torsten Suel
SIGMETRICS
2011
ACM
140views Hardware» more  SIGMETRICS 2011»
12 years 10 months ago
On the stability and optimality of universal swarms
Recent work on BitTorrent swarms has demonstrated that a bandwidth bottleneck at the seed can lead to the underutilization of the aggregate swarm capacity. Bandwidth underutilizat...
Xia Zhou, Stratis Ioannidis, Laurent Massouli&eacu...
SIGMETRICS
2011
ACM
208views Hardware» more  SIGMETRICS 2011»
12 years 10 months ago
Structure-aware sampling on data streams
The massive data streams observed in network monitoring, data processing and scientific studies are typically too large to store. For many applications over such data, we must ob...
Edith Cohen, Graham Cormode, Nick G. Duffield