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W2GIS
2007
Springer
16 years 1 months ago
Historic Queries in Geosensor Networks
Abstract. This paper addresses—to our knowledge, for the first time—the problem of querying a geosensor network—a sensor network of mobile, locationaware nodes—for histori...
Stephan Winter, Sören Dupke, Lin Jie Guan, Ca...
SIGIR
2006
ACM
16 years 1 months ago
Why structural hints in queries do not help XML-retrieval
For many years it has been commonly held that a user who adds structural “hints” to a query will improve precision in an element retrieval search. At INEX 2005 we conducted an...
Andrew Trotman, Mounia Lalmas
VLDB
2005
ACM
120views Database» more  VLDB 2005»
16 years 21 days ago
Efficiently Processing Queries on Interval-and-Value Tuples in Relational Databases
With the increasing occurrence of temporal and spatial data in present-day database applications, the interval data type is adopted by more and more database systems. For an effic...
Jost Enderle, Nicole Schneider, Thomas Seidl
IWDC
2004
Springer
139views Communications» more  IWDC 2004»
16 years 18 days ago
Statistical Analysis of a P2P Query Graph Based on Degrees and Their Time-Evolution
Abstract. Despite their crucial impact on the performances of p2p systems, very few is known on peers behaviors in such networks. We propose here a study of these behaviors in a ru...
Jean-Loup Guillaume, Matthieu Latapy, Stevens Le-B...
VLDB
2004
ACM
103views Database» more  VLDB 2004»
16 years 17 days ago
Maintenance of Spatial Semijoin Queries on Moving Points
In this paper, we address the maintenance of spatial semijoin queries over continuously moving points, where points are modeled as linear functions of time. This is analogous to t...
Glenn S. Iwerks, Hanan Samet, Kenneth P. Smith