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SIGIR
2009
ACM
14 years 4 months ago
Risky business: modeling and exploiting uncertainty in information retrieval
Most retrieval models estimate the relevance of each document to a query and rank the documents accordingly. However, such an approach ignores the uncertainty associated with the ...
Jianhan Zhu, Jun Wang, Ingemar J. Cox, Michael J. ...
SIGIR
2009
ACM
14 years 4 months ago
Fast nonparametric matrix factorization for large-scale collaborative filtering
With the sheer growth of online user data, it becomes challenging to develop preference learning algorithms that are sufficiently flexible in modeling but also affordable in com...
Kai Yu, Shenghuo Zhu, John D. Lafferty, Yihong Gon...
EDBT
2010
ACM
155views Database» more  EDBT 2010»
14 years 4 months ago
Reducing metadata complexity for faster table summarization
Since the visualization real estate puts stringent constraints on how much data can be presented to the users at once, table summarization is an essential tool in helping users qu...
K. Selçuk Candan, Mario Cataldi, Maria Luis...
INFOCOM
2008
IEEE
14 years 4 months ago
A Novel Quantitative Approach For Measuring Network Security
—Evaluation of network security is an essential step in securing any network. This evaluation can help security professionals in making optimal decisions about how to design secu...
Mohammad Salim Ahmed, Ehab Al-Shaer, Latifur Khan
IPPS
2008
IEEE
14 years 4 months ago
Modeling and predicting application performance on parallel computers using HPC challenge benchmarks
A method is presented for modeling application performance on parallel computers in terms of the performance of microkernels from the HPC Challenge benchmarks. Specifically, the a...
Wayne Pfeiffer, Nicholas J. Wright