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133
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CICLING
2010
Springer
15 years 4 months ago
Adaptive Term Weighting through Stochastic Optimization
Term weighting strongly influences the performance of text mining and information retrieval approaches. Usually term weights are determined through statistical estimates based on s...
Michael Granitzer
ARITH
2005
IEEE
15 years 2 months ago
Error-Free Computation of 8x8 2-D DCT and IDCT Using Two-Dimensional Algebraic Integer Quantization
This paper presents a novel error-free (infinite-precision) architecture for the fast implementation of both 2-D Discrete Cosine Transform and Inverse DCT. The architecture uses a...
Khan Wahid, Vassil S. Dimitrov, Graham A. Jullien
107
Voted
DEXA
2006
Springer
126views Database» more  DEXA 2006»
15 years 2 months ago
Hypersphere Indexer
Indexing high-dimensional data for efficient nearest-neighbor searches poses interesting research challenges. It is well known that when data dimension is high, the search time can...
Navneet Panda, Edward Y. Chang, Arun Qamra
BNCOD
2007
121views Database» more  BNCOD 2007»
15 years 2 months ago
Indexing and Searching XML Documents Based on Content and Structure Synopses
We present a novel framework for indexing and searching schema-less XML documents based on concise summaries of their structural and textual content. Our search query language is X...
Weimin He, Leonidas Fegaras, David Levine
103
Voted
NETWORKING
2007
15 years 2 months ago
Simple Models for the Performance Evaluation of a Class of Two-Hop Relay Protocols
We evaluate the performance of a class of two-hop relay protocols for mobile ad hoc networks. The interest is on the multicopy two-hop relay (MTR) protocol, where the source may ge...
Ahmad Al Hanbali, Arzad Alam Kherani, Philippe Nai...