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SIROCCO
2004
13 years 8 months ago
Improved Bounds for Optimal Black Hole Search with a Network Map
A black hole is a harmful host that destroys incoming agents without leaving any observable trace of such a destruction. The black hole search problem is to unambiguously determine...
Stefan Dobrev, Paola Flocchini, Nicola Santoro
EDM
2008
110views Data Mining» more  EDM 2008»
13 years 8 months ago
A Response Time Model For Bottom-Out Hints as Worked Examples
Students can use an educational system's help in unexpected r example, they may bypass abstract hints in search of a concrete solution. This behavior has traditionally been la...
Benjamin Shih, Kenneth R. Koedinger, Richard Schei...
SIGECOM
2006
ACM
96views ECommerce» more  SIGECOM 2006»
14 years 1 months ago
Non-cooperative multicast and facility location games
We consider a multicast game with selfish non-cooperative players. There is a special source node and each player is interested in connecting to the source by making a routing de...
Chandra Chekuri, Julia Chuzhoy, Liane Lewin-Eytan,...
CIKM
2008
Springer
13 years 9 months ago
The query-flow graph: model and applications
Query logs record the queries and the actions of the users of search engines, and as such they contain valuable information about the interests, the preferences, and the behavior ...
Paolo Boldi, Francesco Bonchi, Carlos Castillo, De...
OPODIS
2007
13 years 8 months ago
The Cost of Monotonicity in Distributed Graph Searching
Abstract. Blin et al. (2006) proposed a distributed protocol that enables the smallest number of searchers to clear any unknown asynchronous graph in a decentralized manner. Unknow...
David Ilcinkas, Nicolas Nisse, David Soguet