411 search results - page 4 / 83 » Efficient View Maintenance Using Version Numbers |
SIGMOD
1995
ACM
14 years 2 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...
ATAL
2008
Springer
14 years 26 days ago
2008
Springer
A database view is a dynamic virtual table composed of the result set of a query, often executed over different underlying databases. The view maintenance problem concerns how a v...
IJCAI
1989
14 years 19 hour ago
1989
The Assumption-Based Truth Maintenance System (ATMS) is an important tool in A I . So far its wider use has been limited due to the enormous computational resources which it requi...
ISAAC
2007
Springer
14 years 5 months ago
2007
Springer
The class of graphs where the size of a minimum vertex cover equals that of a maximum matching is known as K¨onig-Egerv´ary graphs. K¨onig-Egerv´ary graphs have been studied ex...
HPDC
2010
IEEE
13 years 12 months ago
2010
IEEE
Scientists working in eScience environments often use workflows to carry out their computations. Since the workflows evolve as the research itself evolves, these workflows can be ...