439 search results - page 82 / 88 » Unnesting Arbitrary Queries |
BIODATAMINING
2008
13 years 10 months ago
2008
Background: In computer science, database systems are based on the relational model founded by Edgar Codd in 1970. On the other hand, in the area of biology the word 'databas...
CI
2000
13 years 9 months ago
2000
Kowalski and Sergot's Event Calculus (EC) is a simple temporal formalism that, given a set of event occurrences, derives the maximal validity intervals (MVIs) over which prop...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
ct The backbone of the XML data model, namely ordered, unranked trees, is inherently recursive and it is natural to equip the associated languages with constructs that can query su...
ICDE
2004
IEEE
14 years 11 months ago
2004
IEEE
The past decade has seen a wealth of research on time series representations, because the manipulation, storage, and indexing of large volumes of raw time series data is impractic...
PODS
2006
ACM
14 years 10 months ago
2006
ACM
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...