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IMECS
2007
15 years 8 months ago
A Common Subexpression Sharing Approach for Multiplierless Synthesis of Multiple Constant Multiplications
—In the context of multiple constant multiplications (MCM) design, we propose a novel common-subexpression-elimination (CSE) algorithm that models synthesis of coefficients into ...
Yuen-Hong Alvin Ho, Chi-Un Lei, Ngai Wong
IMECS
2007
15 years 8 months ago
Knowledge Acquisition from Computer Log Files by ADG with Variable Agent Size
Abstract—We had previously proposed an outstanding evolutionary method, Automatically Defined Groups (ADG), for generating heterogeneous cooperative agents, and then we had deve...
Akira Hara, Yoshiaki Kurosawa, Takumi Ichimura
MST
2010
107views more  MST 2010»
15 years 5 months ago
Fixed-Parameter Algorithms for Cluster Vertex Deletion
We initiate the first systematic study of the NP-hard Cluster Vertex Deletion (CVD) problem (unweighted and weighted) in terms of fixed-parameter algorithmics. In the unweighted...
Falk Hüffner, Christian Komusiewicz, Hannes M...
WWW
2010
ACM
15 years 6 months ago
A characterization of online browsing behavior
In this paper, we undertake a large-scale study of online user behavior based on search and toolbar logs. We propose a new CCS taxonomy of pageviews consisting of Content (news, p...
Ravi Kumar, Andrew Tomkins
P2P
2009
IEEE
167views Communications» more  P2P 2009»
16 years 1 months ago
ID Repetition in Kad
ID uniqueness is essential in DHT-based systems as peer lookup and resource searching rely on IDmatching. Many previous works and measurements on Kad do not take into account that...
Jie Yu, Chengfang Fang, Jia Xu, Ee-Chien Chang, Zh...