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DEBU
2010
135views more  DEBU 2010»
15 years 2 months ago
Enhancing Search with Structure
Keyword search has traditionally focussed on retrieving documents in ranked order, given simple keyword queries. Similarly, work on keyword queries on structured data has focussed...
Soumen Chakrabarti, Sunita Sarawagi, S. Sudarshan
ICML
2006
IEEE
16 years 3 months ago
Using query-specific variance estimates to combine Bayesian classifiers
Many of today's best classification results are obtained by combining the responses of a set of base classifiers to produce an answer for the query. This paper explores a nov...
Chi-Hoon Lee, Russell Greiner, Shaojun Wang
VLDB
2008
ACM
178views Database» more  VLDB 2008»
16 years 3 months ago
The Bdual-Tree: indexing moving objects by space filling curves in the dual space
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
Man Lung Yiu, Yufei Tao, Nikos Mamoulis
SIGMOD
2005
ACM
100views Database» more  SIGMOD 2005»
16 years 3 months ago
A Disk-Based Join With Probabilistic Guarantees
One of the most common operations in analytic query processing is the application of an aggregate function to the result of a relational join. We describe an algorithm for computi...
Chris Jermaine, Alin Dobra, Subramanian Arumugam, ...
EDBT
2006
ACM
145views Database» more  EDBT 2006»
16 years 3 months ago
Indexing Spatially Sensitive Distance Measures Using Multi-resolution Lower Bounds
Abstract. Comparison of images requires a distance metric that is sensitive to the spatial location of objects and features. Such sensitive distance measures can, however, be compu...
Vebjorn Ljosa, Arnab Bhattacharya, Ambuj K. Singh