14306 search results - page 328 / 2862 » Database System Concepts |
144
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FQAS
2000
Springer
15 years 10 months ago
2000
Springer
Considerable progress has been achieved in the area of virtual database systems, but substantial problems still persist. In this paper we discuss two current research directions: ...
158
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CORR
2011
Springer
14 years 10 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...
174
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ICCS
2005
Springer
16 years 7 days ago
2005
Springer
Abstract. Minimal generators (mingens) of concept intents are valuable elements of the Formal Concept Analysis (FCA) landscape, which are widely used in the database field, for da...
184
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VLDB
1990
ACM
15 years 10 months ago
1990
ACM
Database programming requires having the knowledge of database semantics both to maintain database integrity and to explore more optimization opportunities. Automated programming ...
159
Voted
VLDB
1990
ACM
15 years 10 months ago
1990
ACM
This paper presents an approach to maintaining consistency of object versions in multiversion database systems. In this approach a multiversion database is considered to be a set ...