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» The Complexity of Query Reliability
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MDM
2004
Springer
110views Communications» more  MDM 2004»
15 years 8 months ago
Universal Trajectory Queries for Moving Object Databases
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...
Hoda Mokhtar, Jianwen Su
124
Voted
ICDT
2003
ACM
91views Database» more  ICDT 2003»
15 years 7 months ago
Reformulation of XML Queries and Constraints
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...
Alin Deutsch, Val Tannen
112
Voted
IJCAI
2007
15 years 4 months ago
What You Seek Is What You Get: Extraction of Class Attributes from Query Logs
Within the larger area of automatic acquisition of knowledge from the Web, we introduce a method for extracting relevant attributes, or quantifiable properties, for various class...
Marius Pasca, Benjamin Van Durme
132
Voted
CIDR
2003
134views Algorithms» more  CIDR 2003»
15 years 3 months ago
Approximate Range Selection Queries in Peer-to-Peer Systems
We present an architecture for a data sharing peer-to-peer system where the data is shared in the form of database relations. In general, peer-to-peer systems try to locate exactm...
Abhishek Gupta, Divyakant Agrawal, Amr El Abbadi
248
Voted
ICDE
2006
IEEE
149views Database» more  ICDE 2006»
16 years 3 months ago
An Efficient XPath Query Processor for XML Streams
Streaming XPath evaluation algorithms must record a potentially exponential number of pattern matches when both predicates and descendant axes are present in queries, and the XML ...
Yi Chen, Susan B. Davidson, Yifeng Zheng