203 search results - page 19 / 41 » Answering Queries Using Views with Arithmetic Comparisons |
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
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...
ICIP
2001
IEEE
14 years 9 months ago
2001
IEEE
Images and videos can be indexed by multiple features at different levels, such as color, texture, motion, and text annotation. Organizing this information into a system so that u...
SIGMOD
1995
ACM
13 years 11 months ago
1995
ACM
When querying a temporal database, a user often makes certain semantic assumptions on stored temporal data. This paper formalizes and studies two types of semantic assumptions: po...
CIKM
1994
Springer
13 years 11 months ago
1994
Springer
Accessing information sources to retrieve data requested by a user can be expensive, especially when dealing with distributed information sources. One way to reduce this cost is t...
Publication
Spatio-temporal data streams that are generated from mobile stream sources (e.g., mobile sensors) experience similar environmental conditions that result in distinct phenomena. Sev...