DS
1992
13 years 5 months ago
1992
In a multidatabase system, schematic con icts between two objects are usually of interest only when the objects have some semantic a nity. In this paper we try to reconcile the tw...
DS
1992
13 years 5 months ago
1992
In the Pegasus prototype multidatabase system, the key to the problem of object identity is a differentiation between the view of a data administrator, capturing all the underlyin...
DS
1992
13 years 5 months ago
1992
In this paper, we present methods for supporting autonomous updates in replicated databases. Autonomous updates are of particular importance to applications that cannot tolerate t...
DS
1997
13 years 5 months ago
1997
The ODMG proposal has helped to focus the work on object-oriented databases (OODBs) onto a common object model and query language. Nevertheless there are several shortcomings of t...
DS
1997
13 years 5 months ago
1997
Determining attribute correspondences is a difficult, time-consuming, knowledge-intensive part of database integration. We report on experiences with tools that identified candi...
DS
1997
13 years 5 months ago
1997
This paper motivates a comprehensive methodological framework for dealing with some aspects of real-world complexity in information system analysis and design. By complex applicat...
DS
2001
13 years 5 months ago
2001
: The World Wide Web provides access to a great deal of information on a vast array of subjects. A user can begin a search for information by selecting a Web page and following the...
DS
2001
13 years 5 months ago
2001
: Electronic B2B marketplaces bring together many online suppliers and buyers, each of which can potentially use his own format to represent the products in his product catalog. Th...
DS
2001
13 years 5 months ago
2001
The rapid development of the Internet and of distributed computing has led to a proliferation of online service providers such as digital libraries, web information sources, electr...
DS
2001
13 years 5 months ago
2001
We show how quantified constraints expressed in a sub-language of first-order logic, againstashareddatamodelthatisfreetoevolve, provideanexcellentwayof transporting domain-specific...