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» A Comparative Study of Some Generalized Rough Approximations
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DAC
2006
ACM
16 years 2 months ago
Optimality study of resource binding with multi-Vdds
Deploying multiple supply voltages (multi-Vdds) on one chip is an important technique to reduce dynamic power consumption. In this work we present an optimality study for resource...
Deming Chen, Jason Cong, Yiping Fan, Junjuan Xu
CORR
2007
Springer
124views Education» more  CORR 2007»
15 years 1 months ago
An exploratory study of Google Scholar
Purpose – This paper2 discusses the new scientific search service Google Scholar (GS). This search engine, intended for searching exclusively scholarly documents, will be descri...
Philipp Mayr, Anne-Kathrin Walter
SIGMOD
2004
ACM
126views Database» more  SIGMOD 2004»
16 years 1 months ago
Indexing Spatio-Temporal Trajectories with Chebyshev Polynomials
In this paper, we attempt to approximate and index a ddimensional (d 1) spatio-temporal trajectory with a low order continuous polynomial. There are many possible ways to choose ...
Yuhan Cai, Raymond T. Ng
WINE
2005
Springer
122views Economy» more  WINE 2005»
15 years 7 months ago
Walrasian Equilibrium: Hardness, Approximations and Tractable Instances
We study the complexity issues for Walrasian equilibrium in a special case of combinatorial auction, called single-minded auction, in which every participant is interested in only ...
Ning Chen, Atri Rudra
VLDB
2001
ACM
151views Database» more  VLDB 2001»
16 years 2 months ago
Approximate query mapping: Accounting for translation closeness
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
Kevin Chen-Chuan Chang, Hector Garcia-Molina