1248 search results - page 66 / 250 » Querying and Updating the File |
ENTCS
2008
13 years 8 months ago
2008
The current paper presents a novel approach to implement a graph transformation engine as an EJB3-specific plugin by using EJB QL queries for pattern matching. The essence of the ...
DBPL
1995
Springer
14 years 9 days ago
1995
Springer
We study the problem of maintaining recursively-de ned views, such as the transitive closure of a relation, in traditional relational languages that do not have recursion mechanis...
JSS
2008
13 years 8 months ago
2008
Many state-of-the-art selectivity estimation methods use query feedback to maintain histogram buckets, thereby using the limited memory efficiently. However, they are "reacti...
COMPGEOM
2011
ACM
13 years 9 days ago
2011
ACM
We present three results related to dynamic convex hulls: • A fully dynamic data structure for maintaining a set of n points in the plane so that we can find the edges of the c...
CAISE
2006
Springer
14 years 14 days ago
2006
Springer
Databases are continuously evolving environments, where design constructs are added, removed or updated quite often. Research has extensively dealt with the problem of database evo...