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PVLDB
2010
120views more  PVLDB 2010»
14 years 8 months ago
Sampling the Repairs of Functional Dependency Violations under Hard Constraints
Violations of functional dependencies (FDs) are common in practice, often arising in the context of data integration or Web data extraction. Resolving these violations is known to...
George Beskales, Ihab F. Ilyas, Lukasz Golab
SPIRE
2010
Springer
14 years 8 months ago
Why Large Closest String Instances Are Easy to Solve in Practice
We initiate the study of the smoothed complexity of the Closest String problem by proposing a semi-random model of Hamming distance. We restrict interest to the optimization versio...
Christina Boucher, Kathleen Wilkie
VTC
2010
IEEE
114views Communications» more  VTC 2010»
14 years 8 months ago
On Non-Stationary Urban Macrocell Channels in a Cooperative Downlink Beamforming Scenario
—A common simplification in the treatment of random linear channels is the assumption of stationarity of the channel in time. The wireless channel is, however, known to be inher...
Adrian Ispas, Gerd Ascheid, Christian Schneider, R...
CORR
2010
Springer
158views Education» more  CORR 2010»
14 years 8 months ago
Clustered Hierarchy in Sensor Networks: Performance and Security
Many papers have been proposed in order to increase the wireless sensor networks performance; This kind of network has limited resources, where the energy in each sensor came from...
Mohammed Abuhelaleh, Khaled M. Elleithy, Thabet M....
EMNLP
2010
14 years 7 months ago
Enhancing Domain Portability of Chinese Segmentation Model Using Chi-Square Statistics and Bootstrapping
Almost all Chinese language processing tasks involve word segmentation of the language input as their first steps, thus robust and reliable segmentation techniques are always requ...
Baobao Chang, Dongxu Han