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- 1Continual queries
- 1Cooperative activities
- 1Customizable information gathering
- 1Differential data
- 1Distributed and heterogeneous systems
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...
An Adaptive Approach to Query Mediation across Hetergeneous Information Sources
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...
Differential Evaluation of Continual Queries
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...
The DIOM Approach to Large-scale Interoperable Database Systems
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,...