Toby J. Teorey

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A database design methodology is defined for the design of large relational databases. First, the data requirements are conceptualized using an extended entity-relationship model, with the extensions being additional semantics such as ternary relationships, optional relationships, and the generalization abstraction. The extended entity-relationship model is(More)
A data warehouse stores materialized views of aggregate data derived from a fact table in order to minimize the query response time. One of the most important decisions in designing the data warehouse is the selection of materialized views. This paper presents an algorithm which provides appropriate views to be materialized while the goal is to minimize the(More)
Center for Information Technology Integration University of Michigan 519 West William Street Ann Arbor, MI 48103-4943 CITI Technical Report 97–5 Performance Modeling of the PeopleSoft MultiTier Remote Computing Architecture Yi-Chun Chu ycchu@citi.umich.edu Charles J. Antonelli cja@citi.umich.edu Toby J. Teorey teorey@eecs.umich.edu Complex client-server(More)
The gathering of a variety of human-oriented information is vital in the development s ages of a software system. This information can be applied at a given stage to improve the humancomputer interface of the software product. To reflect this, new categories of design and~or development effort need to be added to the traditional systems development stages.(More)