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» Efficient Computation of Diverse Query Results
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TWC
2008
101views more  TWC 2008»
14 years 9 months ago
Adaptive generalized selection combining (A-GSC) receivers
We introduce an adaptive generalized selection combining (A-GSC) receiver that can be efficiently applied in diversity rich fading environments such as in ultra-wideband applicatio...
Athanasios S. Lioumpas, George K. Karagiannidis, T...
ICDE
2004
IEEE
101views Database» more  ICDE 2004»
15 years 11 months ago
Personalization of Queries in Database Systems
As information becomes available in increasing amounts to a wide spectrum of users, the need for a shift towards a more user-centered information access paradigm arises. We develo...
Georgia Koutrika, Yannis E. Ioannidis
PERCOM
2005
ACM
15 years 9 months ago
Supporting Topographic Queries in a Class of Networked Sensor Systems
Topographic querying is the process of extracting data from a sensor network for understanding the graphic delineation of features of interest in a terrain. Query processing techn...
Mitali Singh, Viktor K. Prasanna
ICDE
2009
IEEE
165views Database» more  ICDE 2009»
15 years 11 months ago
Expressive Location-Based Continuous Query Evaluation with Binary Decision Diagrams
Many location-based services require rich and expressive query language support for filtering large amounts of information. In prominent location-based services thousands of conti...
Zhengdao Xu, Hans-Arno Jacobsen
EDBT
2006
ACM
129views Database» more  EDBT 2006»
15 years 10 months ago
Efficient Quantile Retrieval on Multi-dimensional Data
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
Man Lung Yiu, Nikos Mamoulis, Yufei Tao