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SIGECOM
2006
ACM
184views ECommerce» more  SIGECOM 2006»
16 years 7 days ago
Computing pure nash equilibria in graphical games via markov random fields
We present a reduction from graphical games to Markov random fields so that pure Nash equilibria in the former can be found by statistical inference on the latter. Our result, wh...
Constantinos Daskalakis, Christos H. Papadimitriou
GROUP
2005
ACM
15 years 12 months ago
Unraveling the ordering in persistent chat: a new message ordering feature
A common problem in chat is that the chat display only reveals the temporal order of the conversation. A better user interface is desired that reveals the logical order of the mes...
Lu Xiao, Jayne S. Litzinger
WWW
2005
ACM
15 years 12 months ago
X-warehouse: building query pattern-driven data
In this paper, we propose an approach to materialize XML data warehouses based on the frequent query patterns discovered from historical queries issued by users. The schemas of in...
Ji Zhang, Wei Wang, Han Liu, Sheng Zhang
CALCO
2005
Springer
126views Mathematics» more  CALCO 2005»
15 years 11 months ago
Context-Free Languages via Coalgebraic Trace Semantics
In this paper we identify context-free grammars as coalgebras. To obtain the associated context-free languages (consisting of only finite-length strings) we introduce a general a...
Ichiro Hasuo, Bart Jacobs
GECCO
2005
Springer
15 years 11 months ago
Using gene deletion and gene duplication in evolution strategies
Self-adaptation of the mutation strengths is a powerful mechanism in evolution strategies (ES), but it can fail. As a consequence premature convergence or ending up in a local opt...
Karlheinz Schmitt