550 search results - page 72 / 110 » An Expressive Language for Linear Spatial Database Queries |
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
Systems for managing and querying semistructured-data sources often store data in proprietary object repositories or in a tagged-text format. We describe a technique that can use ...
EDBTW
2006
Springer
14 years 11 days ago
2006
Springer
Abstract. We discuss, compare and relate some old and some new models for incomplete and probabilistic databases. We characterize the expressive power of c-tables over infinite dom...
ICDT
2009
ACM
14 years 9 months ago
2009
ACM
The inclusion of Regular Expressions (REs) is the kernel of any type-checking algorithm for XML manipulation languages. XML applications would benefit from the extension of REs wi...
DOOD
1997
Springer
14 years 26 days ago
1997
Springer
Abstract. This work discusses the CROQUE approach to the maintenance problem for materialized views. In a CROQUE database, application-speci ed collections (type extents or classes...
HOTSWUP
2009
ACM
14 years 1 months ago
2009
ACM
The complexity, cost, and down-time currently created by the database schema evolution process is the source of incessant problems in the life of information systems and a major s...