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» On Ultrametric Algorithmic Information
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JCIT
2010
182views more  JCIT 2010»
15 years 28 days ago
CT-Rank: A Time-aware Ranking Algorithm for Web Search
Time plays important roles in Web search, because most Web pages contain time information and a lot of Web queries are time-related. However, traditional search engines such as Go...
Peiquan Jin, Xiaowen Li, Hong Chen, Lihua Yue
CIKM
2009
Springer
16 years 21 days ago
A general magnitude-preserving boosting algorithm for search ranking
Traditional boosting algorithms for the ranking problems usually employ the pairwise approach and convert the document rating preference into a binary-value label, like RankBoost....
Chenguang Zhu, Weizhu Chen, Zeyuan Allen Zhu, Gang...
INFOCOM
1997
IEEE
15 years 10 months ago
An Algorithm to Compute Collusion Paths
In earlier work we have formulated a collusion problem that determines whether it is possible for a set of colluders to collectively discover a target set of information, starting...
Steven H. Low, Nicholas F. Maxemchuk
GEOINFORMATICA
2002
92views more  GEOINFORMATICA 2002»
15 years 5 months ago
Using Genetic Algorithms for Solving Hard Problems in GIS
Genetic algorithms (GAs) are powerful combinatorial optimizers that are able to
Steven van Dijk, Dirk Thierens, Mark de Berg
168
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NETWORKS
2006
15 years 6 months ago
Approximation algorithms for channel allocation problems in broadcast networks
We study two packing problems that arise in the area of dissemination-based information systems; a second theme is the study of distributed approximation algorithms. The problems c...
Rajiv Gandhi, Samir Khuller, Aravind Srinivasan, N...