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ICASSP
2011
IEEE
14 years 3 months ago
Sliding window greedy RLS for sparse filters
We present a sliding window RLS for sparse filters, based on the greedy least squares algorithm. The algorithm adapts a partial QR factorization with pivoting, using a simplifie...
Alexandru Onose, Bogdan Dumitrescu, Ioan Tabus
ICDE
2010
IEEE
178views Database» more  ICDE 2010»
14 years 9 months ago
The Hybrid-Layer Index: A synergic approach to answering top-k queries in arbitrary subspaces
In this paper, we propose the Hybrid-Layer Index (simply, the HL-index) that is designed to answer top-k queries efficiently when the queries are expressed on any arbitrary subset ...
Jun-Seok Heo, Junghoo Cho, Kyu-Young Whang
ICIP
2005
IEEE
16 years 1 months ago
Using visual features for anti-spam filtering
Unsolicited Commercial Email (UCE), also known as spam, has been a major problem on the Internet. In the past, researchers have addressed this problem as a text classification or ...
Ching-Tung Wu, Kwang-Ting Cheng, Qiang Zhu, Yi-Leh...
TCAD
2002
139views more  TCAD 2002»
14 years 11 months ago
Digital filter synthesis based on an algorithm to generate all minimal signed digit representations
In this paper, the authors propose an algorithm to find all the minimal signed digit (MSD) representations of a constant and present an algorithm to synthesize digital filters base...
In-Cheol Park, Hyeong-Ju Kang
ICDE
2009
IEEE
153views Database» more  ICDE 2009»
14 years 9 months ago
STAIRS: Towards Efficient Full-Text Filtering and Dissemination in a DHT Environment
Nowadays contents in Internet like weblogs, wikipedia and news sites become "live". How to notify and provide users with the relevant contents becomes a challenge. Unlike...
Weixiong Rao, Ada Wai-Chee Fu, Lei Chen 0002, Hanh...