Titlebook: Conceptual Modeling - ER 2000; 19th International C Alberto H. F. Laender,Stephen W. Liddle,Veda C. St Conference proceedings 2000 Springer

Commission

Decomposition by Pivoting and Path Cardinality Constraintso be preserved. We discuss this problem for sets of participation and co- occurrence constraints. In particular, we prove the necessity of path cardinality constraints, and give an appropriate foundation for this concept.

escalate

Compatriot

On Warehousing Historical Web Informationcuments and their content in the form of temporal web tables. To support the analysis of web data that evolve with time, valid time intervals are associated with each web document. To manipulate temporal web tables, we define a variety of web operators and illustrate their usefulness using some realistic motivating examples.

退潮

Coterminous

藐视

From Entities and Relationships to Social Actors and Dependenciesper, we review i* [.], a conceptual model specifically intended for representing social settings. Then, we introduce Tropos, a formal language founded on the primitive concepts of i*, and demonstrate its expressiveness through examples. Finally, we give an overview of a project which uses Tropos to

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