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WWW
2010
ACM
14 years 2 months ago
Tracking the random surfer: empirically measured teleportation parameters in PageRank
PageRank computes the importance of each node in a directed graph under a random surfer model governed by a teleportation parameter. Commonly denoted alpha, this parameter models ...
David F. Gleich, Paul G. Constantine, Abraham D. F...
DCC
2010
IEEE
14 years 2 months ago
A New Searchable Variable-to-Variable Compressor
Word-based compression over natural language text has shown to be a good choice to trade compression ratio and speed, obtaining compression ratios close to 30% and very fast decom...
Nieves R. Brisaboa, Antonio Fariña, Juan-Ra...
ICC
2007
IEEE
14 years 2 months ago
A Cost-Effective Approach to Optical Packet/burst Scheduling
Abstract— Optical Burst and Packet Switching are being considered as the most promising paradigms to increase bandwidth efficiency in IP over DWDM networks. In both cases, due t...
Franco Callegati, Aldo Campi, Walter Cerroni
CIKM
2007
Springer
14 years 2 months ago
SLOQUE: slot-based query expansion for complex questions
Searching answers to complex questions is a challenging IR task. In this paper, we examine the use of query templates with semantic slots to formulate slot-based queries. These qu...
Maggy Anastasia Suryanto, Ee-Peng Lim, Aixin Sun, ...
AAAI
2007
13 years 10 months ago
Learning Graphical Model Structure Using L1-Regularization Paths
Sparsity-promoting L1-regularization has recently been succesfully used to learn the structure of undirected graphical models. In this paper, we apply this technique to learn the ...
Mark W. Schmidt, Alexandru Niculescu-Mizil, Kevin ...