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

Publications

Improved model management with aggregated business process models

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Contemporary organizations invest much efforts in creating models of their business processes. This raises the issue of how to...

Constructing target-aware results for keyword search on knowledge graphs

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Existing work of processing keyword searches on graph data focuses on efficiency of result generation. However, being oblivious to...

Database design with user-definable modelling concepts

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Modelling is an integral part of engineering processes. Consequently, database design for engineering applications should take into account the...

Semantic schema refinements for multilevel schema integration

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Within the database field, schema refinements have been proved useful for documentation and maintenance purposes; moreover, schemata describing the...

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...

Extracting generalization hierarchies from relational databases: A reverse engineering approach

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Relational Data Base Management Systems (RDBMS) are currently the most popular database management systems. The relational model is a...

The XML Tree Model – toward an XML conceptual schema reversed from XML Schema...

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XML Schema Definition (XSD) is the logical schemas of an XML model, but there is no standard format for...