52 search results - page 10 / 11 » Redundancy, Dependencies and Normal Forms for XML Databases |
ICALP
2000
Springer
13 years 8 months ago
2000
Springer
Abstract. Tree-walking automata (TWAs) recently received new attention in the fields of formal languages and databases. Towards a better understanding of their expressiveness, we c...
ER
2007
Springer
13 years 11 months ago
2007
Springer
Abstract. Collections play an important part in everyday life. Therefore, conceptual data models should support collection types to make data modeling as natural as possible for it...
VLDB
1999
ACM
13 years 9 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
ICDE
1993
IEEE
13 years 9 months ago
1993
IEEE
To add time su port to the relational model, both first normal form (fNF and non-INF appmches have maining within 1NF when time support is added may introduce data redundancy. The...
DOLAP
2008
ACM
13 years 6 months ago
2008
ACM
Multidimensional analysis allows decision makers to efficiently and effectively use data analysis tools, which mainly depend on multidimensional (MD) structures of a data warehous...