Conceptual database design: an Entity-relationship approach
Conceptual database design: an Entity-relationship approach
Data on the Web: from relations to semistructured data and XML
Data on the Web: from relations to semistructured data and XML
An Active Conceptual Model for Fixed Income Securities Analysis for Multiple Financial Institutions
ER '98 Proceedings of the 17th International Conference on Conceptual Modeling
Lazy query evaluation for Active XML
SIGMOD '04 Proceedings of the 2004 ACM SIGMOD international conference on Management of data
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We argue that a key requirement on an information system that can implement an active conceptual model of learning from surprises is the ability to query data that is not query-able by content, especially data streams; we suggest that such data be queried by context. We propose an enhancement of entity-relationship modeling with active constructs in order to permit such streams to have context-based relationships with standard data. We propose a framework where in the analysis of surprises and the subsequent monitoring of states that are ripe for such events are possible by the use of such contexts.