This book constitutes the refereed proceedings of the First International Conference on Discovery Science, DS'98, held in Fukuoka, Japan, in December 1998.The volume presents 28 revised full papers selected from a total of 76 submissions.

Philosophical Aspects of Scientific Discovery: A Historical Survey.- Learning, Mining, or Modeling? A Case Study from Paleoecology.- The Computer-Aided Discovery of Scientific Knowledge.- On Classification and Regression.- Knowledge Discovery in Biological and Chemical Domains.- Random Case Analysis of Inductive Learning Algorithms.- On Variants of Iterative Learning.- Uniform Characterizations of Polynomial-Query Learnabilities.- Inferring a Rewriting System from Examples.- Toward Genomic Hypothesis Creator: View Designer for Discovery.- Visualization of Community Knowledge Interaction Using Associative Representation.- Discovering Characteristic Patterns from Collections of Classical Japanese Poems.- Approximate Retrieval of High-Dimensional Data by Spatial Indexing.- Practical Algorithms for On-Line Sampling.- Discovering Conceptual Differences among People from Cases.- Discovery of Unknown Causes from Unexpected Co-occurrence of Inferred Known Causes.- Refining Search Expression by Discovering Hidden User’s Interests.- The Discovery of Rules from Brain Images.- Instance Guided Rule Induction.- Learning with Globally Predictive Tests.- Query-Initiated Discovery of Interesting Association Rules.- Boosting Cost-Sensitive Trees.- On the Boosting Algorithm for Multiclass Functions Based on Information-Theoretic Criterion for Approximation.- The Continuous—Function Attribute Class in Decision Tree Induction.- Feature Transformation and Multivariate Decision Tree Induction.- Formal Logics of Discovery and Hypothesis Formation by Machine.- Finding Hypotheses from Examples by Computing the Least Generalization of Bottom Clauses.- On the Completion of the Most Specific Hypothesis Computation in Inverse Entailment for Mutual Recursion.- Biochemical Knowledge DiscoveryUsing Inductive Logic Programming.- Computational Characteristics of Law Discovery Using Neural Networks.- Development of SDS2: Smart Discovery System for Simultaneous Equation Systems.- Discovery of Differential Equations from Numerical Data.- Automatic Transaction of Signal via Statistical Modeling.- Empirical Comparison of Competing Query Learning Methods.- Abstracting a Human’s Decision Process by PRISM.- Mechanisms of Self-organized Renormalizability.- An Efficient Tool for Discovering Simple Combinatorial Patterns from Large Text Databases.- A Similarity Finding System under a Goal Concept.- Parallel Induction Algorithms for Large Samples.- Toward Effective Knowledge Acquisition with First Order Logic Induction.- A Logic of Discovery.- A Strong Relevant Logic Model of Epistemic Processes in Scientific Discovery.- Four-Fold Table Calculi for Discovery Science.- Parallel Organization Algorithm for Graph Matching and Subgraph Isomorphism Detection.- Visualizing Semantic Clusters in the Internet Information Space.- KN on ZK — Knowledge Network on Network Note Pad ZK.- Virtual Integration of Distributed Database by Multiple Agents.- Development of Some Methods and Tools for Discovering Conceptual Knowledge.- Reducing the Dimensions of Attributes by selection and Aggregation.- On the Number of Clusters in Cluster Analysis.- Geometric Clustering Models in Feature Space.- Efficient Mining of Association Rules with Item Constraints.- GDT-RS: A Probabilistic Rough Induction Approach.- A Constructive Fuzzy NGE Learning System.- Composing Inductive Applications Using Ontologies for Machine Learning.- TDDA, a Data Mining Tool for Text Databases: A Case History in a Lung Cancer Text Database.- Crowww Classification and Retrieval on WWW.- Extracting Knowledge Patterns fromTicket Data.- Automatic Acquisition of Phoneme Models and Its Application to Phoneme Labeling of a Large Size of Speech Corpus.- An Experimental Agricultural Data Mining System.- Data Mining Oriented System for Business Applications.- Moving Object Recognition Using Wavelets and Learning of Eigenspaces.- Search for New Methods for Assignment of Complex Molecular Spectra and a Program Package for Simulation of Molecular Spectra.- Computer Aided Hypotheses Based Drug Discovery Using CATALYSTRTM and PC GUHA Software Systems.- Knowledge Discovery through the Navigation Inside the Human Body.- Application of Discovery Science to Solar-Terrestrial Physics.- Incorporating a Navigation Tool into a WWW Browser.