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BTW
2009
Springer
132views Database» more  BTW 2009»
15 years 11 months ago
A Bayesian Approach to Estimating the Selectivity of Conjunctive Predicates
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
M. Heimel, Volker Markl, Keshava Murthy
ICASSP
2007
IEEE
16 years 25 days ago
Hash-Based Motion Modeling in Wyner-Ziv Video Coding
Generally, Distributed video coding (DVC) schemes perform motion estimation at the decoder side, without the current frame being available. In order to generate the side-informati...
Marco Tagliasacchi, Stefano Tubaro
EDBT
2006
ACM
105views Database» more  EDBT 2006»
16 years 6 months ago
HASE: A Hybrid Approach to Selectivity Estimation for Conjunctive Predicates
Current methods for selectivity estimation fall into two broad categories, synopsis-based and sampling-based. Synopsis-based methods, such as histograms, incur minimal overhead at ...
Xiaohui Yu, Nick Koudas, Calisto Zuzarte
COMCOM
2008
153views more  COMCOM 2008»
15 years 6 months ago
Available bandwidth estimation and admission control for QoS routing in wireless mesh networks
This article presents an integrated admission control and routing mechanism for multi-rate wireless mesh networks. Admission control depends on precise estimates of available band...
Mesut Ali Ergin, Marco Gruteser, Lin Luo, Dipankar...
WWW
2008
ACM
16 years 7 months ago
Action science approach to nonprofit housing services using web 2.0 mapping tools
The study follows action science approach to the problem of nonprofit housing services. After 4 months of action sciencebased activities, such as organized participant observation...
Yao-Jen Chang, Hsin-Yu Hsu, Tsen-Yung Wang