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327
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ICDE
2002
IEEE
204views Database» more  ICDE 2002»
16 years 8 months ago
Approximating a Data Stream for Querying and Estimation: Algorithms and Performance Evaluation
Obtaining fast and good quality approximations to data distributions is a problem of central interest to database management. A variety of popular database applications including,...
Sudipto Guha, Nick Koudas
AINA
2009
IEEE
16 years 2 months ago
JPEG Steganography: A Performance Evaluation of Quantization Tables
The two most important aspects of any imagebased steganographic system are the imperceptibility and the capacity of the stego image. This paper evaluates the performance and effic...
Adel Almohammad, Gheorghita Ghinea, Robert M. Hier...
197
Voted
SECON
2008
IEEE
16 years 1 months ago
A Multi-AP Architecture for High-Density WLANs: Protocol Design and Experimental Evaluation
—Fast proliferation of IEEE 802.11 wireless devices has led to the emergence of High-Density (HD) Wireless Local Area Networks (WLANs), where it is challenging to improve the thr...
Yanfeng Zhu, Zhisheng Niu, Qian Zhang, Bo Tan, Zhi...
TRIDENTCOM
2008
IEEE
16 years 1 months ago
Empirical evaluation of VoIP aggregation over a fixed WiMAX testbed
The WiMAX Reference Network Architecture can be used in point-to-point and point-to-multipoint network topologies, and is suitable for providing last-mile, building-to-building, a...
Kostas Pentikousis, Esa Piri, Jarno Pinola, Frerk ...
SSD
2007
Springer
146views Database» more  SSD 2007»
16 years 1 months ago
Blind Evaluation of Nearest Neighbor Queries Using Space Transformation to Preserve Location Privacy
In this paper we propose a fundamental approach to perform the class of Nearest Neighbor (NN) queries, the core class of queries used in many of the location-based services, withou...
Ali Khoshgozaran, Cyrus Shahabi