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ISCAPDCS
2004
14 years 11 months ago
Location Based Access to Moving Data Sources
Location based services in mobile environments have been recognized as a challenging problem that calls for new service models and dynamic strategies. The problem becomes even har...
Shiow-yang Wu, Wei-chung Ko
ICDE
2006
IEEE
135views Database» more  ICDE 2006»
15 years 11 months ago
Reverse Nearest Neighbors Search in Ad-hoc Subspaces
Given an object q, modeled by a multidimensional point, a reverse nearest neighbors (RNN) query returns the set of objects in the database that have q as their nearest neighbor. I...
Man Lung Yiu, Nikos Mamoulis
KIVS
2005
Springer
15 years 3 months ago
Caching for Improved Retrieval in Peer-to-Peer Networks
: In modern information systems the dominant retrieval paradigms have shifted from exact matching towards retrieving a list of the most relevant objects. This is because users usua...
Wolf-Tilo Balke, Wolfgang Nejdl, Wolf Siberski, Uw...
ICDE
2010
IEEE
201views Database» more  ICDE 2010»
14 years 10 months ago
Vertical partitioning of relational OLTP databases using integer programming
A way to optimize performance of relational row store databases is to reduce the row widths by vertically partitioning tables into table fractions in order to minimize the number ...
Rasmus Resen Amossen
CP
2007
Springer
15 years 3 months ago
Model-Driven Visualizations of Constraint-Based Local Search
Visualization is often invaluable to understand the behavior of optimization algorithms, identify their bottlenecks or pathological behaviors, and suggest remedial techniques. Yet ...
Grégoire Dooms, Pascal Van Hentenryck, Laur...