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PODS
2006
ACM
217views Database» more  PODS 2006»
16 years 6 months ago
A simpler and more efficient deterministic scheme for finding frequent items over sliding windows
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...
Lap-Kei Lee, H. F. Ting
ICASSP
2009
IEEE
16 years 1 months ago
Interference alignment via alternating minimization
Using interference alignment, it has been shown that the number of degrees of freedom in the interference channel scales linearly with the number of users. Unfortunately, closed-f...
Steven W. Peters, Robert W. Heath Jr.
ICC
2007
IEEE
16 years 21 days ago
Linear Precoding for Multiuser MIMO-OFDM Systems
— This paper develops linear precoding schemes for the downlink in multiuser multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with ...
Hassen Karaa, Raviraj S. Adve, Adam J. Tenenbaum
AVSS
2005
IEEE
16 years 2 hour ago
VidMAP: video monitoring of activity with Prolog
This paper describes the architecture of a visual surveillance system that combines real time computer vision algorithms with logic programming to represent and recognize activiti...
Vinay D. Shet, David Harwood, Larry S. Davis
ICCS
2004
Springer
15 years 11 months ago
Visualization of Very Large Oceanography Time-Varying Volume Datasets
This paper presents two visualization techniques suitable for huge oceanography time-varying volume datasets on high-performance graphics workstations. We first propose an off-lin...
Sanghun Park, Chandrajit L. Bajaj, Insung Ihm