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» Computational complexity of queries based on itemsets
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PODS
2007
ACM
196views Database» more  PODS 2007»
16 years 12 days ago
On the complexity of managing probabilistic XML data
In [3], we introduced a framework for querying and updating probabilistic information over unordered labeled trees, the probabilistic tree model. The data model is based on trees ...
Pierre Senellart, Serge Abiteboul
ICCV
2011
IEEE
14 years 9 days ago
A String of Feature Graphs Model for Recognition of Complex Activities in Natural Videos
Videos usually consist of activities involving interactions between multiple actors, sometimes referred to as complex activities. Recognition of such activities requires modeling ...
Utkarsh Gaur, Yingying Zhu, Bi Song, Amit Roy-Chow...
VLDB
1992
ACM
103views Database» more  VLDB 1992»
15 years 4 months ago
Temporal Query Processing and Optimization in Multiprocessor Database Machines
In this paper, we discuss issues involving temporal data fragmentation, temporal query processing, and query optimization in multiprocessor database machines. We propose parallel ...
T. Y. Cliff Leung, Richard R. Muntz
CIA
2006
Springer
15 years 4 months ago
Iterative Query-Based Approach to Efficient Task Decomposition and Resource Allocation
Intelligent coordination in complex multi-agent environments requires sophisticated mechanisms for suboptimal task decomposition and efficient resource allocation provided by the t...
Michal Pechoucek, Ondrej Lerch, Jirí B&iacu...
ICPADS
2005
IEEE
15 years 5 months ago
A Model for Distributing and Querying a Data Warehouse on a Computing Grid
Data warehouses store large volumes of data according to a multidimensional model with dimensions representing different axes of analysis. OLAP systems (OnLine Analytical Processi...
Pascal Wehrle, Maryvonne Miquel, Anne Tchounikine