6 search results - page 1 / 2 » Temporal aggregates and temporal universal quantification in... |
SIGMOD
2006
ACM
14 years 5 months ago
2006
ACM
Although it has been acknowledged for many years that querying and updating time-varying information using standard (i.e., non-temporal) SQL is a challenging task, the proposed te...
ICDE
1999
IEEE
14 years 6 months ago
1999
IEEE
Temporal reasoning and temporal query languages present di cult research problems of theoretical interest and practical importance. One problem is the chasm between point-based te...
SIGMOD
2003
ACM
14 years 5 months ago
2003
ACM
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
TREC
2008
13 years 6 months ago
2008
This paper presents the participation of FEUP, from University of Porto, in the TREC 2008 Blog Track. FEUP participated in two tasks, the baseline adhoc retrieval task and the blo...
WISE
2003
Springer
13 years 10 months ago
2003
Springer
There is much current interest in publishing and viewing databases as XML documents. The general benefits of this approach follow from the popularity of XML and the tool set avai...