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187
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
92
Voted
SIGMOD
2012
ACM
12 years 12 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
188
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SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
XML documents are normally stored as plain text files. Hence, the natural and most convenient way to update XML documents is to simply edit the text files. But efficient query eva...
88
Voted
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
The rise of GPS and broadband-speed wireless devices has led to tremendous excitement about a range of applications broadly characterized as "location based services". Cu...
ICDE
2009
IEEE
14 years 7 months ago
2009
IEEE
In this paper, we formalize the novel concept of incremental reverse nearest neighbor ranking and suggest an original solution for this problem. We propose an efficient approach fo...