1008 search results - page 129 / 202 » Logic and Databases |
ICDE
1992
IEEE
14 years 1 months ago
1992
IEEE
This paper presents two algorithms for maintaining Btree index consistency in a DBMS which does not use write-ahead logging (WAL). One algorithm is similar to shadow paging, but i...
VLDB
1989
ACM
14 years 1 months ago
1989
ACM
Graphical Direct Manipulation (GrDM) query languagesare characterized and positioned with respect to traditional textual query languages. After a brief survey of the current state...
DEXAW
2008
IEEE
13 years 11 months ago
2008
IEEE
With the increasing development of real applications using Semantic Web Technologies, it is necessary to provide scalable and efficient ontology querying and reasoning systems. In ...
CASCON
2004
13 years 10 months ago
2004
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
AAAI
1994
13 years 10 months ago
1994
In this paper we consider updates that are specified as rules and consider simple knowledge bases consisting of ground atoms. We present a translation of the rule based update spe...