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CSDA
2004
119views more  CSDA 2004»
15 years 4 months ago
Fitting bivariate cumulative returns with copulas
We propose a copula based statistical method of fitting joint cumulative returns between a market index and a stock from the index family to daily data. Modifying the method of in...
Werner Hürlimann
GIS
2002
ACM
15 years 4 months ago
Search algorithms for multiway spatial joins
This papers deals with multiway spatial joins when (i) there is limited time for query processing and the goal is to retrieve the best possible solutions within this limit (ii) the...
Dimitris Papadias, Dinos Arkoumanis
TCAD
1998
115views more  TCAD 1998»
15 years 4 months ago
Probabilistic modeling of dependencies during switching activity analysis
—This paper addresses, from a probabilistic point of view, the issue of switching activity estimation in combinational circuits under the zero-delay model. As the main theoretica...
Radu Marculescu, Diana Marculescu, Massoud Pedram
TIT
2002
129views more  TIT 2002»
15 years 4 months ago
Arbitrary source models and Bayesian codebooks in rate-distortion theory
-- We characterize the best achievable performance of lossy compression algorithms operating on arbitrary random sources, and with respect to general distortion measures. Direct an...
Ioannis Kontoyiannis, Junshan Zhang
PVLDB
2008
174views more  PVLDB 2008»
15 years 4 months ago
Relaxation in text search using taxonomies
In this paper we propose a novel document retrieval model in which text queries are augmented with multi-dimensional taxonomy restrictions. These restrictions may be relaxed at a ...
Marcus Fontoura, Vanja Josifovski, Ravi Kumar, Chr...