251 search results - page 33 / 51 » Rewriting Aggregate Queries using Description Logic |
INEX
2004
Springer
14 years 1 months ago
2004
Springer
This paper discusses our participation in INEX using the TIJAH XML-IR system. We have enriched the TIJAH system, which follows a standard layered database architecture, with severa...
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
By providing an integrated and optimized support for user-defined aggregates (UDAs), data stream management systems (DSMS) can achieve superior power and generality while preservi...
DBPL
1997
Springer
13 years 12 months ago
1997
Springer
Abstract. Multidimensional databases are large collections of data, often historical, used for sophisticated analysis oriented to decision making. This activity is supported by an ...
SSDBM
2003
IEEE
14 years 1 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
IJBRA
2007
13 years 7 months ago
2007
: The biomedical literature is growing at an ever-increasing rate, which pronounces the need to support scientists with advanced, automated means of accessing knowledge. We investi...