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ICDM
2010
IEEE
130views Data Mining» more  ICDM 2010»
14 years 9 months ago
Using Taxonomies to Perform Aggregated Querying over Imprecise Data
-- In this paper, we put forward our approach for answering aggregated queries over imprecise data using domain specific taxonomies. A new concept we call the weighted hierarchical...
Atanu Roy, Chandrima Sarkar, Rafal A. Angryk
ICDE
2009
IEEE
117views Database» more  ICDE 2009»
16 years 1 months ago
DynaCet: Building Dynamic Faceted Search Systems over Databases
Extracting information and insights from large databases is a time-consuming activity and has received considerable research attention recently. In this demo, we present DynaCet - ...
Senjuti Basu Roy, Haidong Wang, Ullas Nambiar, Gau...
ICDE
2006
IEEE
155views Database» more  ICDE 2006»
16 years 1 months ago
Answering Imprecise Queries over Autonomous Web Databases
Current approaches for answering queries with imprecise constraints require user-specific distance metrics and importance measures for attributes of interest - metrics that are ha...
Ullas Nambiar, Subbarao Kambhampati
ICC
2007
IEEE
114views Communications» more  ICC 2007»
15 years 6 months ago
Downlink MC-2D-CDMA over Time-Variant Frequency-Selective Rayleigh Fading Channels
Abstract— In this paper, the performance of a downlink synchronous MC-CDMA system with joint frequency-time domain spreading over time-variant frequency-selective Rayleigh fading...
Rui Fa, Bayan S. Sharif, Charalampos Tsimenidis
86
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ESCIENCE
2006
IEEE
15 years 5 months ago
A Middleware Framework for Maximum Likelihood Evaluation over Dynamic Grids
We have designed a maximum likelihood fitter using the actor model to distribute the computation over a heterogeneous network. The prototype implementation uses the SALSA program...
Wei-Jen Wang, Kaoutar El Maghraoui, John Cummings,...