I: Mathematical and statistical methods for classification and data analysis -- Classification and clustering methods -- An agglomerative method for two-mode hierarchical clustering -- Selection from overlapping classifications -- On cluster methods for qualitative data II -- A regression analytic modification of Ward's method: A contribution to the relation between cluster analysis and factor analysis -- The "partition with a structure" concept in biological data analysis -- Classification with neural networks -- Statistical and probabilistic aspects of clustering and classifications -- Multigraphs for the uncovering and testing of structures -- Estimators and relative efficiencies in models of overlapping samples -- Lower bounds for the tail probabilities of the scan statistic -- Poisson approximations of image processes in computer tomography -- Statistical, geometrical and algebraic methods for data analysis -- Some recent developments in linear models: A short survey (plenary lecture) -- Causal analysis in marketing research with LISREL or a combination of traditional multivariate methods? -- Analysis of data measured on a lattice -- Dual algorithms in multidimensional scaling -- Comparison of biplot analysis and formal concept analysis in the case of a repertory grid -- Convexity in ordinal data -- Classification and seriation by iterative reordering of a data matrix -- Data analysis based on a conceptual file -- II: Knowledge organization, data bases, and information retrieval -- Modelling, representation and organization of conceptual knowledge -- Decentralized modelling of data and relationships in enterprises -- A contribution to the examination of semantic relations between lexemes -- A mathematical model for conceptual knowledge systems -- Compositional semantics and concept representation 163 -- Data bases, expert systems, information retrieval, and library systems -- Small and beautiful? Some remarks on evaluating microcomputer based library systems -- A tool for validating PROLOG programs -- On the database component in the knowledge-based system WIMDAS -- Information retrieval techniques in rule-based expert systems -- Object databases and thesauri for small museums (plenary lecture) -- Terminology and classification -- The structure and role of specialized information in scientific and technical terminologies -- Terminology work in the World Health Organization: EUROTERM abbreviations -- HyperTerm - A proposal for a user-friendly termbank -- The role of classification in terminology documentation (plenary lecture) -- III: Applications and methods for special subject fields -- Classification, systematics, and evolution in biology -- The hierarchy of organisms: Systematics and classification in biology (plenary lecture) -- Estimating phylogenies with invariant functions of data (plenary lecture) -- Statistical analysis of genetic distance data -- Variance estimation in the additive tree model -- Classification and documentation in medicine -- Semi-automated classification of medical phrases using a personal computer -- Structure of informations on medical trials -- Recent problems and longterm activities in the classification of medical concepts -- Exploring three-dimensional image data with classification methods -- Data analysis in the archeological and historical sciences -- The reconstruction of "genetic kinship" in prehistoric burial complexes - Problems and statistics -- An approach to a formal statistical analysis of historical data based on the town of Bamberg -- Automatic syntax analysis of meroitic funeral inscriptions -- Application of computers in historical-topographical research: A database for travel reports on Greece (18th and 19th century) -- The use of multivariate statistics in Scandinavian archeology -- The application of correspondence analysis: some examples in archeology -- An analysis of beads found in the Merovingian cemetery of Weingarten -- Classification in industry: Coding systems and commodity description -- Bank code numbers as defining arguments and controlling tools in automated payments -- From commodity description to expert systems -- Tabular layouts of article characteristics and formal concept analysis (in German) -- The postcode, a local and routing code for the transport of mail items.