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SENSYS
2003
ACM
14 years 27 days ago
Spatiotemporal multicast in sensor networks
Sensor networks often involve the monitoring of mobile phenomena. We believe this task can be facilitated by a spatiotemporal multicast protocol which we call “mobicast”. Mobi...
Qingfeng Huang, Chenyang Lu, Gruia-Catalin Roman
SIGECOM
2003
ACM
128views ECommerce» more  SIGECOM 2003»
14 years 27 days ago
Solving combinatorial exchanges: optimality via a few partial bids
We investigate the problem of matching buyers and sellers in a multi-item multi-unit combinatorial exchange so as to maximize either the surplus (revenue minus cost) or the tradin...
Anshul Kothari, Tuomas Sandholm, Subhash Suri
SIGECOM
2003
ACM
135views ECommerce» more  SIGECOM 2003»
14 years 27 days ago
Playing large games using simple strategies
We prove the existence of -Nash equilibrium strategies with support logarithmic in the number of pure strategies. We also show that the payoffs to all players in any (exact) Nash...
Richard J. Lipton, Evangelos Markakis, Aranyak Meh...
SIGIR
2003
ACM
14 years 27 days ago
Evaluating different methods of estimating retrieval quality for resource selection
In a federated digital library system, it is too expensive to query every accessible library. Resource selection is the task to decide to which libraries a query should be routed....
Henrik Nottelmann, Norbert Fuhr
WIDM
2003
ACM
14 years 27 days ago
Conceptual modeling of semantic navigation structures: the MoSeNa-approach
At the present time, several shortcomings prevent the more effective use and more intense application of web information systems. Recent developments that are subsumed by the term...
Jörg Becker, Christian Brelage, Karsten Klose...