An overview of transaction logic
Theoretical Computer Science - Special issue on formal methods in databases and software engineering
XSB as an efficient deductive database engine
SIGMOD '94 Proceedings of the 1994 ACM SIGMOD international conference on Management of data
Logical foundations of object-oriented and frame-based languages
Journal of the ACM (JACM)
Learning to Understand Information on the Internet: AnExample-Based Approach
Journal of Intelligent Information Systems - Special issue: next generation information technologies and systems
The Araneus Web-based management system
SIGMOD '98 Proceedings of the 1998 ACM SIGMOD international conference on Management of data
Ariadne: a system for constructing mediators for Internet sources
SIGMOD '98 Proceedings of the 1998 ACM SIGMOD international conference on Management of data
A logic for programming database transactions
Logics for databases and information systems
A layered architecture for querying dynamic Web content
SIGMOD '99 Proceedings of the 1999 ACM SIGMOD international conference on Management of data
Computational aspects of resilient data extraction from semistructured sources (extended abstract)
PODS '00 Proceedings of the nineteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Deductive and Object Data Languages: A Quest for Integration
DOOD '95 Proceedings of the Fourth International Conference on Deductive and Object-Oriented Databases
ULIXES: Building Relational Views over the Web
ICDE '97 Proceedings of the Thirteenth International Conference on Data Engineering
FLORA: Implementing an Efficient DOOD System Using a Tabling Logic Engine
CL '00 Proceedings of the First International Conference on Computational Logic
On the Semantics of Anonymous Identity and Reification
On the Move to Meaningful Internet Systems, 2002 - DOA/CoopIS/ODBASE 2002 Confederated International Conferences DOA, CoopIS and ODBASE 2002
Well-Founded Optimism: Inheritance in Frame-Based Knowledge Bases
On the Move to Meaningful Internet Systems, 2002 - DOA/CoopIS/ODBASE 2002 Confederated International Conferences DOA, CoopIS and ODBASE 2002
FLORA: Implementing an Efficient DOOD System Using a Tabling Logic Engine
CL '00 Proceedings of the First International Conference on Computational Logic
Xsb: Extending prolog with tabled logic programming
Theory and Practice of Logic Programming - Prolog Systems
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Webbases are database systems that enable creation of Web applications that allow end users to shop around for products and services at various Web sites without having to manually browse and fill out forms at each of these sites. In this paper we describe XRover which is an implementation of the physical layer of the webbase architecture. This layer is primarily responsible for automatically locating and extracting dynamic data from Web sites, i.e data that can only be obtained by form fill-outs. We discuss our experience in building XRover using FLORA, a deductive object-oriented system.