Retrieval for decision support resources by structured models

Authors:
Ulrich Güntzer;Rudolf Müller;Stefan Müller;Ralf-Dieter Schimkat
Affiliations:
Wilhelm-Schickard-Institute for Computer Science, University of Tübingen, Sand 13, 72076 Tübingen, Germany;Department of Quantitative Economics, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands;Research and Development All for One Systemhaus AG, Unixstr. 1, 88436 Oberessendorf, Germany;Simulation, Analysis and Forecasting, SAF AG, Hightech-Center-2, Bahnstrasse 1, 8274 Tägerwilen, Switzerland
Venue:
Decision Support Systems
Year:
2007

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Abstract

The number of available DSS within organizational Intranets will soon require efficient retrieval functionality. While Web retrieval technology performs excellent on documents, computational services need approaches that capture the semantics of resources. We present a retrieval approach that uses a variant of Structured Modeling to represent resources. It allows the use of similarity of models for retrieval. Exact similarity computation is shown to be NP-hard, and efficient heuristics for similarity computation and filter algorithms are introduced. We report an evaluation in a classroom experiment and give computational results on a benchmark library.