296 search results - page 37 / 60 » Top-k queries on temporal data |
JDM
2007
13 years 7 months ago
2007
We present a new method for computing temporal aggregation that uses a multidimensional index. The novelty of our method lies in mapping the start time and end time of a temporal ...
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
OTM
2010
Springer
13 years 5 months ago
2010
Springer
In this paper we deal with problems occurring in evolving interrelated Web databanks. Examples of such databanks are networks of interlinked scientific repositories on the Web, man...
ICDE
2001
IEEE
14 years 9 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
Many web documents are dynamic, with content changing in varying amounts at varying frequencies. However, current document search algorithms have a static view of the document con...