129 search results - page 26 / 26 » A Heuristic Approach for Optimization of Path Expressions |
SIGMOD
1995
ACM
13 years 8 months ago
1995
ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
LCTRTS
2010
Springer
14 years 4 days ago
2010
Springer
For its high overall cost during product development, program debugging is an important aspect of system development. Debugging is a hard and complex activity, especially in time-...
COLING
1990
13 years 6 months ago
1990
This paper presents some techniques that provide a standard parsing system for the analysis of ill-formed utterances. These techniques are feature generalization and heuristically...
CONSTRAINTS
1998
13 years 5 months ago
1998
Many temporal applications like planning and scheduling can be viewed as special cases of the numeric and symbolic temporal constraint satisfaction problem. Thus we have developed ...