320 search results - page 55 / 64 » A Theory of Spatio-Temporal Database Queries |
KDD
2006
ACM
14 years 8 months ago
2006
ACM
Ordering and ranking items of different types are important tasks in various applications, such as query processing and scientific data mining. A total order for the items can be ...
PODS
2006
ACM
14 years 7 months ago
2006
ACM
Skew is prevalent in data streams, and should be taken into account by algorithms that analyze the data. The problem of finding "biased quantiles"-- that is, approximate...
DEXAW
2000
IEEE
13 years 12 months ago
2000
IEEE
Given their simple nature, the success of keyword based retrieval systems is astonishing. Although these methods seemingly only process words (and their word counts), they rely on...
SSD
1997
Springer
13 years 11 months ago
1997
Springer
Abstract: In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support su...
COMPGEOM
2008
ACM
13 years 9 months ago
2008
ACM
Pattern matching in point sets is a well studied problem with numerous applications. We assume that the point sets may contain outliers (missing or spurious points) and are subjec...