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118
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FOCS
2002
IEEE
15 years 9 months ago
A Constant-Factor Approximation Algorithm for the Multicommodity
We present the first constant-factor approximation algorithm for network design with multiple commodities and economies of scale. We consider the rent-or-buy problem, a type of m...
Amit Kumar, Anupam Gupta, Tim Roughgarden
ISMAR
2002
IEEE
15 years 9 months ago
Exploring Humanistic Intelligence Through Physiologically Mediated Reality
We present a way of making the wearing of a lifelong electrocardiographic health monitor fun for a user. The health monitor is coupled with a reality mediator device to create a P...
James Fung, Steve Mann
EDBT
2009
ACM
116views Database» more  EDBT 2009»
15 years 8 months ago
Ranking objects based on relationships and fixed associations
Text corpora are often enhanced by additional metadata which relate real-world entities, with each document in which such entities are discussed. Such relationships are typically ...
Albert Angel, Surajit Chaudhuri, Gautam Das, Nick ...
ADBIS
2000
Springer
188views Database» more  ADBIS 2000»
15 years 8 months ago
Algorithms for Rewriting Aggregate Queries Using Views
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
Sara Cohen, Werner Nutt, Alexander Serebrenik
131
Voted
SIGCOMM
1999
ACM
15 years 8 months ago
The Impact of Multicast Layering on Network Fairness
Many de nitions of fairness for multicast networks assume that sessions are single-rate, requiring that each multicast session transmits data to all of its receivers at the same r...
Dan Rubenstein, James F. Kurose, Donald F. Towsley