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» An Update on Generalized Information Theory
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MOBIHOC
2008
ACM
14 years 8 months ago
Analyzing DISH for multi-channel MAC protocols in wireless networks
For long, node cooperation has been exploited as a data relaying mechanism. However, the wireless channel allows for much richer interaction between nodes. One such scenario is in...
Tie Luo, Mehul Motani, Vikram Srinivasan
SIGCSE
2009
ACM
143views Education» more  SIGCSE 2009»
14 years 3 months ago
Thinking about computational thinking
Jeannette Wing’s call for teaching Computational Thinking (CT) as a formative skill on par with reading, writing, and arithmetic places computer science in the category of basic...
James J. Lu, George H. L. Fletcher
CIKM
2009
Springer
14 years 3 months ago
Effective and efficient structured retrieval
Search engines that support structured documents typically support structure created by the author (e.g., title, section), and may also support structure added by an annotation pr...
Le Zhao, Jamie Callan
SIGIR
2009
ACM
14 years 3 months ago
Approximating true relevance distribution from a mixture model based on irrelevance data
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
Peng Zhang, Yuexian Hou, Dawei Song
CIKM
2007
Springer
14 years 3 months ago
Regularized locality preserving indexing via spectral regression
We consider the problem of document indexing and representation. Recently, Locality Preserving Indexing (LPI) was proposed for learning a compact document subspace. Different from...
Deng Cai, Xiaofei He, Wei Vivian Zhang, Jiawei Han