3456 search results - page 87 / 692 » Semantics in Spatial Databases |
ER
2008
Springer
13 years 10 months ago
2008
Springer
CORR
2011
Springer
12 years 11 months ago
2011
Springer
In this paper we will present the two basic operations for database schemas used in database mapping systems (separation and Data Federation), and we will explain why the functoria...
ICMCS
2006
IEEE
14 years 2 months ago
2006
IEEE
We present a new approach to organize an image database by finding a semantic structure interactively based on multi-user relevance feedback. By treating user relevance feedbacks...
DOOD
1997
Springer
14 years 8 days ago
1997
Springer
Abstract. We present a well-founded semantics for deductive objectoriented database (dood) languages by applying the alternating- xpoint characterization of the well-founded model ...
VLDB
1989
ACM
14 years 4 days ago
1989
ACM
The derived data update problem involves the transformation of modifications of derived facts into corresponding changes to base facts and other derived facts. Using a database sc...