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» Querying Imprecise Data in Moving Object Environments
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JCST
2007
151views more  JCST 2007»
13 years 7 months ago
Indexing Future Trajectories of Moving Objects in a Constrained Network
Abstract Advances in wireless sensor networks and positioning technologies enable new applications monitoring moving objects. Some of these applications, such as traffic managemen...
Ji-Dong Chen, Xiao-Feng Meng
VLDB
1990
ACM
116views Database» more  VLDB 1990»
13 years 11 months ago
A Probabilistic Framework for Vague Queries and Imprecise Information in Databases
A probabilistic learning model for vague queries and missing or imprecise information in databases is described. Instead of retrieving only a set of answers, our approach yields a...
Norbert Fuhr
VLDB
2004
ACM
203views Database» more  VLDB 2004»
14 years 25 days ago
PLACE: A Query Processor for Handling Real-time Spatio-temporal Data Streams
The emergence of location-aware services calls for new real-time spatio-temporal query processing algorithms that deal with large numbers of mobile objects and queries. In this de...
Mohamed F. Mokbel, Xiaopeng Xiong, Walid G. Aref, ...
ESA
2004
Springer
106views Algorithms» more  ESA 2004»
13 years 11 months ago
Efficient Tradeoff Schemes in Data Structures for Querying Moving Objects
The ability to represent and query continuously moving objects is important in many applications of spatio-temporal database systems. In this paper we develop data structures for ...
Pankaj K. Agarwal, Lars Arge, Jeff Erickson, Hai Y...
DEXA
2006
Springer
139views Database» more  DEXA 2006»
13 years 11 months ago
Distributed Continuous Range Query Processing on Moving Objects
Recent work on continuous queries has focused on processing queries in very large, mobile environments. In this paper, we propose a system leveraging the computing capacities of mo...
Haojun Wang, Roger Zimmermann, Wei-Shinn Ku