621 search results - page 37 / 125 » Efficient algorithms for minimizing tree pattern queries |
PVLDB
2010
13 years 2 months ago
2010
Top-k spatial preference queries return a ranked set of the k best data objects based on the scores of feature objects in their spatial neighborhood. Despite the wide range of loc...
PODS
2002
ACM
14 years 8 months ago
2002
ACM
Decision support system users typically submit batches of range-sum queries simultaneously rather than issuing individual, unrelated queries. We propose a wavelet based technique ...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
PODS
2006
ACM
14 years 8 months ago
2006
ACM
d Abstract] Guizhen Yang Artificial Intelligence Center SRI International Menlo Park, CA 94025, USA Michael Kifer Dept. of Computer Science Stony Brook University Stony Brook, NY 1...
DASFAA
2006
IEEE
14 years 2 months ago
2006
IEEE
Keyword search is an effective approach for most users to search for information because they do not need to learn complex query languages or the underlying structures of the data....