## Classification and Knowledge Organization: Proceedings of the 20th Annual Conference of the Gesellschaft Für Klassifikation E.V., University of Freiburg, March 6 - 8, 1996 ; with 80 TablesThis volume presents 71 articles dealing with models and methods of data analysis and classification, statistics and stochastics, information systems and text analysis as well as manifold applications. These articles are se lected from about 160 papers presented at the 20th Annual Conference of the Gesellschaft fUr Klassifikation. This conference was organized by R. Klar, at the Abteilung fiir Medizinische Informatik of the University of Freiburg from March 6 to 8, 1996. Based on the submitted and revised papers eight sections have been arranged, where the number of papers in the sections is given in parentheses: 1. Data Analysis and Classification (10) 2. Neural Networks and Pattern Recognition (4) 3. Statistical Models and Methods (11) 4. Information Systems: Design and Implementation (7) 5. Text Analysis and Information Retrieval (10) 6. Applications in Medicine (15) 7. Applications in Economics and Social Sciences (7) 8. Applications in Archaeology, Biology, Linguistics and Dialectometry (7) This grouping doesn't separate strictly, but it shows how theoretical aspects, applications and interdisciplinarities are interrelated in many respects. For convenience of the reader the contents of this volumne is briefly summarized. 1. Data Analysis and Classification This section presents ten articles dealing with different problems of data analysis and classification, especially with several aspects of multidimen sional scaling (MDS), three-way data analysis, stochastic aspects in cluster ing and regression of ordinal data. The survey article of M. W. Trosset considers an approach to define and classify MDS problems as optimization problems. |

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### Contents

Probability Models for Convex Clusters | 3 |

Analyzing Multineuronal Spike Patterns | 15 |

Fixed Point Clusters and Their Relation to Stochastic Models | 20 |

A Metric Approach for Ordinal Regression | 28 |

Graphical Stability of Data Analysing Software | 36 |

Analysis A Showcase of Methods and Examples | 44 |

A Hybrid Global Optimization Algorithm for Multidimensional Scaling | 63 |

Ordinal Regression | 72 |

Computer Aided Text Analysis and Typology Construction | 363 |

Information Ecology and the Internet | 371 |

Network Approaches in Text Analysis | 381 |

Solving Problems or Creating Them? | 390 |

Introducing ATLASti for Windows 95 | 399 |

Applications in Medicine | 409 |

Some Issues in the Comparison of Diagnostic Tests from a Paired Experiment | 411 |

Formal Modeling of Medical Concept Systems Considering PartWhole Relations | 426 |

Numerical Algorithms for Multidimensional Scaling | 80 |

High Dimensional Clustering Using Parallel Coordinates and the Grand Tour | 93 |

Neural Networks and Pattern Recognition | 103 |

A Symbolic Representation for Patterns in Time Series Using Definitive Clause Grammars | 105 |

A Statisticians Possible View | 112 |

Some Basic Issues and Application Aspects | 123 |

A Hierarchical Neural Network Model for Pattern Recognitionm2 | 136 |

Statistical Models and Methods | 143 |

Markov Random Field Models with Spatially Varying Coefficients | 145 |

Distribution of a Likelihood Ratio Statistic for Spatial Disease Clusters | 153 |

A Comparative Assessment | 162 |

A OneStep Optimization Procedure for ARFIMA Processes | 171 |

Minimum Volume Sets in Statistics Recent Developments | 187 |

Fusion of Data Sets in Multivariate Linear Regression with ErrorsinVariables | 195 |

Discriminant Analysis for Directional Data Exemplified in a Concrete Case | 208 |

Combination of Tests and Sequential Classification | 215 |

Classes of Influential Observations | 223 |

Bayesian NonLinear Latent Variable Models | 231 |

Information Systems Design and Implementation | 243 |

Case Based Software Engineering CBSE The Example of a Store Control System | 245 |

Optimization in Probabilistic Logic for Decision Support Systems | 253 |

Learning Strategies for Managing New and Innovative Products | 262 |

Interoperable Database Systems | 270 |

Consistent Completion of Incomplete Data Objects | 280 |

Towards a CaseBased Assistant for the Conceptual Modelling of Information Systems | 289 |

Foundational Aspects of KnowledgeBased Information Systems in Scientific Domains | 300 |

Text Analysis and Information Retrieval | 311 |

A PlanningBased Approach to Intelligent Information Retrieval in Text Databases | 313 |

From TextBased Retrieval to Cognitive User Interaction | 324 |

A Note on Intelligent Information Retrieval Tools in the World Wide Web | 335 |

ComputerAided Methods for Typification in Qualitative Social Research | 342 |

Classification of Text Analysis Software | 355 |

Classification of Oligodendrogliomas Using Neural Networks | 434 |

Statistical Methods to Estimate the Impact of Risk Factors on the Disease Load in a Population | 441 |

Neural Networks for Classification of Image Data in Quantitative Pathology | 449 |

Variations on the Shapley Solution for Partitioning Risks in Epidemiology | 458 |

Generalized Regression Trees Applied to Longitudinal Nutritional Survey Data | 467 |

The UMLS Approach | 475 |

Changing Patterns of Preventive Knowledge and Behaviour | 490 |

for KnowledgeBased Analysis of Medical Texts | 499 |

On the Development and Validation of Classification Schemes in Survival Data | 509 |

Use of Cross validation to Assess Diagnostic Classification Schemes of Atopic Dermatitis | 519 |

Differences of Representing a Conventional Classification by the Compositional Concept Representation Languages BERNWARD and GRAIL | 530 |

An Interim Report about an Interdisciplinary Cooperation | 539 |

Realization of a Medical Data Dictionary in a Relational Database Management System | 547 |

Applications in Economics and Social Sciences | 555 |

TwoMode Overlapping Clustering With Applications to Simultaneous Benefit Segmentation and Market Structuring | 557 |

An Application of TwoMode Classification to Analyze the Statistical Software Market | 567 |

Correspondence Analysis of Square Tables with an Application to Social Mobility | 573 |

Identifying BenchmarkingPartners Using TwoMode Classification | 581 |

Supporting the Search for Final Scenarios by the FuzzyCMeans Algorithm | 588 |

Research | 596 |

Neural Networks as Instruments for Automotive Market Segmentation | 604 |

Applications in Archaeology Biology Linguistics and Dialectometry | 615 |

Modelling Methods and Prior Information | 617 |

Probabilistic Aspects of Sequence Repeats and Sequencing by Hybridization | 631 |

On the Equivalence of Two Tree Mapping Measures | 642 |

Deriving Grammars from Large Corpora | 650 |

Investigation of the Language in Germany and Austria Using Statistical Methods | 658 |

The Handling of Synonym Feature Realizations | 661 |

Interactive Graphical Analysis of Regional Dialects | 669 |

677 | |

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algorithm application approach attributable risk classification cluster codes complex components concept expression considered convex convex hulls corresponding covariance cross-validation crossvalidation data analysis data set database defined denote described developed discriminant distribution error rates estimates evaluation example factors Figure function gene given global GRAIL grammar graphical grounded theory Information Retrieval integration interaction knowledge Kroonenberg language librarians linear matrix means Metathesaurus methods multidimensional scaling multivariate neural networks nodes normal objects observations oligodendrogliomas optimization outliers p-value parallel coordinate parameters patterns points possible probability problem procedure profiles qualitative query random regression model relation representation risk function ROC curves rule sample scenario segments selection semantic Semantic Network sequence seriation simulated software agents specific statistical structure Table techniques text analysis text segments three-way tion tree two-mode UMLS values variables vector