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VLDB
2008
ACM
196views Database» more  VLDB 2008»
15 years 11 months ago
Modelling retrieval models in a probabilistic relational algebra with a new operator: the relational Bayes
This paper presents a probabilistic relational modelling (implementation) of the major probabilistic retrieval models. Such a high-level implementation is useful since it supports ...
Thomas Rölleke, Hengzhi Wu, Jun Wang, Hany Azzam
SIGMOD
2006
ACM
141views Database» more  SIGMOD 2006»
15 years 11 months ago
Contour map matching for event detection in sensor networks
Many sensor network applications, such as object tracking and disaster monitoring, require effective techniques for event detection. In this paper, we propose a novel event detect...
Wenwei Xue, Qiong Luo, Lei Chen 0002, Yunhao Liu
EDBT
2006
ACM
255views Database» more  EDBT 2006»
15 years 11 months ago
FIS-by-Step: Visualization of the Fast Index Scan for Nearest Neighbor Queries
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
Elke Achtert, Dominik Schwald
EDBT
2006
ACM
145views Database» more  EDBT 2006»
15 years 11 months ago
Indexing Spatially Sensitive Distance Measures Using Multi-resolution Lower Bounds
Abstract. Comparison of images requires a distance metric that is sensitive to the spatial location of objects and features. Such sensitive distance measures can, however, be compu...
Vebjorn Ljosa, Arnab Bhattacharya, Ambuj K. Singh
ICSE
2005
IEEE-ACM
15 years 11 months ago
An architects guide to enterprise application integration with J2EE and .NET
Architects are faced with the problem of building enterprise scale information systems, with streamlined, automated internal business processes and web-enabled business functions,...
Ian Gorton, Anna Liu