1235 search results - page 43 / 247 » Updating a cracked database |
IDEAS
2009
IEEE
15 years 4 months ago
2009
IEEE
This paper is concerned with a transformation-based approach to update propagation in an extended version of Codd’s relational algebra which allows for defining derived relatio...
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CISM
1993
15 years 1 months ago
1993
The weak instance model is a framework to consider the relations in a database as a whole, regardless of the way attributes are grouped in the individual relations. Queries and upd...
DBKDA
2009
IEEE
15 years 1 months ago
2009
IEEE
Metadata harvesting requires timely propagation of up-to-date information from thousands of Repositories over a wide area network. It is desirable to keep the data as fresh as poss...
ICDT
1999
ACM
15 years 1 months ago
1999
ACM
Abstract. In this paper we consider databases representing information about moving objects (e.g. vehicles), particularly their location. We address the problems of updating and qu...
ICDT
1997
ACM
15 years 1 months ago
1997
ACM
Abstract Method invocation mechanism is one of the essential features in objectoriented programming languages. This mechanism contributes to data encapsulation and code reuse, but ...