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183
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CN
2010
136views more  CN 2010»
15 years 6 months ago
PCIR: Combining DHTs and peer clusters for efficient full-text P2P indexing
Distributed hash tables (DHTs) are very efficient for querying based on key lookups. However, building huge term indexes, as required for IR-style keyword search, poses a scalabil...
Odysseas Papapetrou, Wolf Siberski, Wolfgang Nejdl
IEEECIT
2010
IEEE
15 years 5 months ago
Tessellating Cell Shapes for Geographical Clustering
This paper investigates the energy-saving organization of sensor nodes in large wireless sensor networks. Due to a random deployment used in many application scenarios, much more n...
Jakob Salzmann, Ralf Behnke, Dirk Timmermann
INTERSPEECH
2010
15 years 1 months ago
Unsupervised discovery and training of maximally dissimilar cluster models
One of the difficult problems of acoustic modeling for Automatic Speech Recognition (ASR) is how to adequately model the wide variety of acoustic conditions which may be present i...
Françoise Beaufays, Vincent Vanhoucke, Bria...
168
Voted
GLOBECOM
2007
IEEE
16 years 1 months ago
Optimal Power Allocation for Linear Dispersion Codes Over Correlated MIMO Channels with Channel State Feedback
— The design of spatio-temporal power allocation schemes is considered for space-time coding over spatially correlated multiple-input multiple-output (MIMO) channels. The focus i...
Che Lin, Vasanthan Raghavan, Venugopal V. Veeraval...
CIKM
2003
Springer
15 years 12 months ago
Misuse detection for information retrieval systems
We present a novel approach to detect misuse within an information retrieval system by gathering and maintaining knowledge of the behavior of the user rather than anticipating att...
Rebecca Cathey, Ling Ma, Nazli Goharian, David A. ...