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Skip to Search Results- 1Adaptive schema
- 1Change management
- 1Composability
- 1Continual queries
- 1Cooperative activities
- 1Customizable information gathering
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1996
Pu, Calton, Meersman, Robert, Liu, Ling
Technical report TR96-11. We propose a transactional activity model (TAM) for specification and management of open-ended cooperative activities. TAM is a careful combination of an activity composition model with extended transaction models such as split/join transactions. In contrast to each of...
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Adaptive Schema Design and Evaluation in Object-Oriented Information Systems
1995
Technical report TR95-20. This paper develops a formal framework for characterizing \"normalization\" in object-oriented schema design. We introduce style rules for achieving validity, minimality, and extensibility of an object-oriented schema, and the style rules that help to eliminate update...
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An Adaptive Approach to Query Mediation across Hetergeneous Information Sources
1996
Lee, Yooshin, Pu, Calton, Liu, Ling
Technical report TR96-10. We propose a query mediation framework to support customizable information gathering across heterogeneous and autonomous information sources. Instead of an integrated (and static) global schema, we propose an adaptive approach to interoperability which allows information...
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Differential Evaluation of Continual Queries
1995
Zhou, Tong, Pu, Calton, Barga, Roger, Liu, Ling
Technical report TR95-17. Information Superhighway environments such as the Internet have brough us ready access to large amounts of information. However, Internet data is notoriously unorganized and autonomously managed in a distributed fashion. Large scale information monitoring in the...
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1996
Technical report TR96-30. The increased complexity of object-oriented models necessitates the enhancement of adaptiveness and robustness of an object-oriented design towards changing requirements. The understanding of what properties are critical for construction of an adaptive schema design...
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Maintaining Database Consistency in the Presence of Schema Evolution: An Evolutionary Approach based on Versions of Schema
Download1996
Technical report TR96-31. With rapid advances in computer network technology and the increasing interest in global information sharing, grows the need for facilities that can effectively maintain the database consistency and program compatibility as the schema evolves. In this paper, we present...
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Multi-Level Association Rule Mining: An Object-Oriented Approach based on Dynamic Hierarchies
Multi-Level Association Rule Mining: An Object-Oriented Approach based on Dynamic Hierarchies
Download1996
Liu, Ling, Geobel, Randy, Fortin, Scott
Technical report TR96-15. Previous studies in data mining have yielded efficient algorithms for discovering association rules. But it is well-known problem that the two controlling measures of support and confidence, when used as the sole definition of relevant association rules, are too...
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The DIOM Approach to Large-scale Interoperable Database Systems
1995
Technical report TR95-16. A large-scale interoperable database system operating in a dynamic environment should provide a uniform access user interface to its components, scalability to larger networks, evolution of database schema and apllications, composability of client and server components,...