565 search results - page 69 / 113 » Multiple Range Query Optimization in Spatial Databases |
186
click to vote
ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Current approaches to K Nearest Neighbor (KNN) search in mobile sensor networks require certain kind of indexing support. This index could be either a centralized spatial index or...
184
click to vote
ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
Keyword queries enjoy widespread usage as they represent an intuitive way of specifying information needs. Recently, answering keyword queries on graph-structured data has emerged ...
SSDBM
1999
IEEE
15 years 1 months ago
1999
IEEE
Conducting bioinformatic analyses involves biologists in expressing requests over a range of highly heterogeneous information sources and software tools. Such activities are labor...
ICDE
2008
IEEE
15 years 4 months ago
2008
IEEE
— Skyline queries are capable of retrieving interesting points from a large data set according to multiple criteria. Most work on skyline queries so far has assumed a centralized...
73
Voted
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
When query optimizers erroneously assume that database columns are statistically independent, they can underestimate the selectivities of conjunctive predicates by orders of magni...