planning - designing - developing IT
Special Interest Group on Systems Analysis and Design

Data & Knowledge Engineering

Anchor modeling — Agile information modeling in evolving data environments

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Maintaining and evolving data warehouses is a complex, error prone, and time consuming activity. The main reason for this...

Extending ER models to capture database transformations to build data sets for data mining

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In a data mining project developed on a relational database, a significant effort is required to build a data...

Automatic query reformulations for feature location in a modelbased family of software products

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No maintenance activity can be completed without Feature Location (FL), which is finding the set of software artifacts that...

Specifying dynamic and deontic integrity constraints

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In the dominant view of knowledge bases (KB's), a KB is a set of facts (atomic sentences) and integrity...

The deontic pattern ± a framework for domain analysis in information systems design

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Methods for the reuse of speci®cation knowledge have been developed to reduce the costs of systems development. One approach...

A framework for the design and evaluation of reverse engineering methods for relational databases

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It is often difficult to obtain a good conceptual understanding of a legacy database, especially when there is a...

An algebra for specifying valid compound terms in faceted taxonomies

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A faceted taxonomy is a set of taxonomies, each describing a given knowledge domain from a different aspect. The...

Using the uni-level description (ULD) to support data-model interoperability

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We describe a framework called the Uni-Level Description (ULD) for accurately representing information from a broad range of data...

Migrating to an object-oriented database using semantic clustering and transformation rules

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This paper presents a methodology for handling an important step of database migration. The methodology is based on a...

Experiences with EDO: An Evolutionary Database Optimizer

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In this paper we introduce the database design tool EDO: an Evolutionary Database Optimizer. The term 'evolutionary' refers to...