296 search results - page 42 / 60 » Top-k queries on temporal data |
SIGMOD
2000
ACM
13 years 12 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
ICML
2003
IEEE
14 years 8 months ago
2003
IEEE
Many techniques in the social sciences and graph theory deal with the problem of examining and analyzing patterns found in the underlying structure and associations of a group of ...
KDD
2006
ACM
14 years 8 months ago
2006
ACM
We investigate three methods for defining a session on Web search engines. We examine 2,465,145 interactions from 534,507 Web searchers. We compare defining sessions using: 1) Int...
HICSS
2008
IEEE
14 years 2 months ago
2008
IEEE
One of the important aspects in digital video applications is spatial and temporal characteristic. A very little progress has been achieved on spatiotemporal modeling of video dat...
SC
2009
ACM
14 years 2 months ago
2009
ACM
Current visualization tools lack the ability to perform fullrange spatial and temporal analysis on terascale scientific datasets. Two key reasons exist for this shortcoming: I/O ...