420 search results - page 40 / 84 » Implementing a Query Language for Context-Dependent Semistru... |
EDBT
2008
ACM
14 years 10 months ago
2008
ACM
A form-based query interface is usually the preferred means to provide an unsophisticated user access to a database. Not only is such an interface easy to use, requiring no techni...
IDEAS
2007
IEEE
14 years 4 months ago
2007
IEEE
The problem of data integration (query decomposition, data fragmentation) has been widely studied in literature, but the inherent hierarchical nature of XML data presents problems...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
IFIP
2007
Springer
14 years 3 months ago
2007
Springer
The shift of development effort onto the model level, as postulated by MDA, provides an opportunity for establishing a set of modelling constructs that is more intuitive and homoge...
ADBIS
2007
Springer
13 years 11 months ago
2007
Springer
This paper provides an answer-oriented multidimensional analysis environment. The approach is based on a conceptual point of view. We define a conceptual model that represents data...