550 search results - page 22 / 110 » A Logical Approach to Multidimensional Databases |
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Recently, the problem of efficiently supporting advanced query operators, such as nearest neighbor or range queries, over multidimensional data in widely distributed environments...
EUSFLAT
2009
13 years 5 months ago
2009
This paper presents a new framework to model an assessment process for a complex and multidimensional syndrome such as depression. Since the measurements of depression are inherent...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Materializing results from complex aggregation queries helps to significantly improve response times in OLAP servers. This problem is known as the view selection problem: choosing ...
ICDT
2003
ACM
14 years 26 days ago
2003
ACM
We define a boolean complete description logic dialect called DLFDreg that can be used to reason about structural equality in semistructured ordered data in the presence of docume...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
In this report, we unify two quite distinct approaches to information retrieval: region models and language models. Region models were developed for structured document retrieval....