Sciweavers

VLDB
1990
ACM
56views Database» more  VLDB 1990»
13 years 8 months ago
Two Epoch Algorithms for Disaster Recovery
Remotebackup copies of databasesare often maintained to ensureavailability of dataevenin thepresenceof extensive failures, for which local replication mechanismsmay be inadequate....
Hector Garcia-Molina, Christos A. Polyzois, Robert...
VLDB
1990
ACM
101views Database» more  VLDB 1990»
13 years 8 months ago
Non-Monotonic Knowledge Evolution in VLKDBs
Non-monotonic knowledge evolutions and exceptions constitute a complex theoritical and practical problem. The state of the art shows a rich and surprising diversity of approaches....
Christian Esculier
VLDB
1990
ACM
106views Database» more  VLDB 1990»
13 years 8 months ago
The Time Index: An Access Structure for Temporal Data
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
Ramez Elmasri, Gene T. J. Wuu, Yeong-Joon Kim
VLDB
1990
ACM
42views Database» more  VLDB 1990»
13 years 8 months ago
A Multidatabase Transaction Model for InterBase
Ahmed K. Elmagarmid, Yungho Leu, Witold Litwin, Ma...
VLDB
1990
ACM
100views Database» more  VLDB 1990»
13 years 8 months ago
Indexing in a Hypertext Database
Databaseindexing is a well studied problem. However, the advent of Hypertext databasesopensnew questionsin indexing. Searches are often demarcated by pointers between text items. ...
Chris Clifton, Hector Garcia-Molina
VLDB
1990
ACM
126views Database» more  VLDB 1990»
13 years 8 months ago
Consistency of Versions in Object-Oriented Databases
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 ...
Wojciech Cellary, Geneviève Jomier
VLDB
1990
ACM
69views Database» more  VLDB 1990»
13 years 8 months ago
Concept Description Language for Statistical Data Modeling
In this paper we describe a new language for statistical data modelling, which offers a general framework for the representation of elementary and summarydata.Thereare threemain c...
Tiziana Catarci, Giovanna D'Angiolini, Maurizio Le...
VLDB
1990
ACM
91views Database» more  VLDB 1990»
13 years 8 months ago
An Incremental Join Attachment for Starburst
ABSTRACT - In this paperwe describe the design, implementation, and performance of an incremental join facility that has been added as an extension to the Starburst extensible DBMS...
Michael J. Carey, Eugene J. Shekita, George Lapis,...
VLDB
1990
ACM
76views Database» more  VLDB 1990»
13 years 8 months ago
Adaptable Recovery Using Dynamic Quorum Assignments
Bharat K. Bhargava, Shirley Browne