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» Processing Queries over Distributed XML Databases
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ICDE
2000
IEEE
183views Database» more  ICDE 2000»
14 years 10 months ago
Accurate Estimation of the Cost of Spatial Selections
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
Ashraf Aboulnaga, Jeffrey F. Naughton
ECIS
2004
13 years 10 months ago
IS Process Innovation Unlearning in Organisations
This paper identifies mechanisms that affected over 200 Information System Process Innovation (ISPI) unlearning decisions in three organisational environments over a period that s...
Erja Mustonen-Ollila
GIS
2007
ACM
14 years 10 months ago
Proximity queries in large traffic networks
In this paper, we present an original network graph embedding to speed-up distance-range and k-nearest neighbor queries in (weighted) graphs. Our approach implements the paradigm ...
Hans-Peter Kriegel, Matthias Renz, Peer Kröge...
CIDR
2007
111views Algorithms» more  CIDR 2007»
13 years 10 months ago
Moirae: History-Enhanced Monitoring
In this paper, we investigate the benefits and challenges of integrating history into a near-real-time monitoring system; and present a general purpose continuous monitoring engi...
Magdalena Balazinska, YongChul Kwon, Nathan Kuchta...
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
14 years 1 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang