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FORSCHUNGSBERICHT 1996-1998


 

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Institut für Informatik: Abteilung für Informatik III

Allgemeine Angaben:
Römerstraße 164, 53117 Bonn, Telefon: 0228 / 73-4500, Telefax: 0228 / 73-4382, eMail: Informatik3@uran.informatik.uni-bonn.de, WWW: http://www.informatik.uni-bonn.de/III/

Hauptamtliche Professoren
Prof. Dr. Joachim M. Buhmann
Prof. Dr. Armin B. Cremers
Prof. Dr. Dieter Fellner (seit 1.6.1998 TU Braunschweig)
Prof. Dr. Rainer Manthey

Wissenschaftliches Personal
Universitätsstellen
Michael Beetz (Ph.D.)
Dr. rer.nat. Thomas Bode
Dr. rer.nat. Martin Breunig
Dr. rer.nat. Wolfram Burgard
Dipl.-Inform. Pascal Costanza (DFG)
Dr. rer.nat. Martin Fischer
Dr. rer.nat. Dieter Fox
Dr. rer.nat. Ulrike Griefahn
Dr. rer.nat. Ralf Hinze
Dr.rer.nat. Thomas Hofmann
Dipl.-Math. Christoph Hundack
Dr. rer.nat. Jürgen Kalinski
Dipl.-Phys. Hansjörg Klock
Dipl.-Inform. Günter Kniesel
Prof. Dr. Gerhard Lakemeyer (seit 1.7.97 Professor an der RWTH Aachen)
Dipl.-Inform. (Paris XI) Jens Lüssem
Dr. rer.nat. Stefan Lüttringhaus-Kappel
Prof. Dr. rer.nat. Lutz Plümer (seit 1.3.1999 Professor am Institut für Kartographie und Geoinformation der Universität Bonn)
Dr. rer.nat. Mechthild Rohen (bis 30.9.1998)
Dr. rer.nat. Peter Schmidt
Dr. rer.nat. Adrian Spalka
Dipl.-Inform. Jan Stohner
Dr. rer.nat. Sebastian Thrun
Dipl.-Inform. Jens E. Wolff

Drittmittelstellen
Dr. (SU) Oleg Balownew (DFG )
Dipl.-Inform. Andreas Bergmann (DFG)
Dr. rer.nat. Roman Englert (BMBF, DLR)
Dipl.-Inform. Dirk Flachbart (DFG)
Dipl.-Inform. Thorsten Fröhlinghaus (BMBF)
Dipl.-Inform. Sven Havemann (DFG)
Dipl.-Inform. Marcus Held (GIF)
Dipl.-Inform. Armin Hopp (NRW)
Dipl.-Math. Helge Kahler (BMBF, EU, NRW)
Dipl.-Inform. Angelika Kappel (Industrie)
Dipl.-Inform. Thomas Kolbe (DFG)
Dipl.-Inform. Andreas Kusserow (BMBF)
Dipl.-Inform. Karin Lehner (BMBF)
Dipl.-Inform. Thomas Lemke (EU)
Dipl.-Psych. Silke Michels (EU, NRW)
Dipl.-Inform. Gordon Müller (DFG)
Dipl.-Inform. Marcus Pant (DFG)
Dipl.-Inform. Andreas Pfeifer (BMBF)
Dipl.-Inform. Volkmar Pipek (BMBF)
Dipl.-Inform. Andreas Polzer (BMBF & Siemens AG)
Dipl.-Inform. Jan Puzicha (DFG)
Dipl.-Inform. Wolfgang Reddig (DFG)
Dipl.-Inform. Markus Rittenbruch (BMBF, EU, NRW)
Dipl.-Psych. Markus Rohde (BMBF)
Dipl.-Inform. Stefan Schäfer (DFG)
Dipl.-Inform. Frank Schneider (FGAN)
Dipl.-Inform. Dirk Schulz (DLR, Industrie, NRW)
Dipl.-Math. (RU) Sergej Shumilov (DFG)
Dipl.-Inform. Oliver Stiemerling (EU, NRW)
Dipl.-Inform. Ioannis Strikos (BMBF)
Dipl.-Inform. Markus Won (BMBF, EU, NRW)
Dr.rer.nat. Volker Wulf (BMBF, EU, NRW)
Dipl.-Inform. Marco Zens (DFG)

Stipendiaten

Forschungsschwerpunkte
Mustererkennung und Lerntheorie
(Buhmann, Held, Hofmann, Puzicha)

Bildverarbeitung
(Buhmann, Hofmann, Klock, Polzer, Puzicha)

Mustererkennung und Bildverarbeitung
(Buhmann)

Autonome mobile Systeme
(Cremers, Beetz, Burgard, Fox, Schulz)

Geo-Informationssysteme
(Cremers, Breunig, Balownew, Bergmann, Pant, Shumilov)

Komponenten-basierte Software-Entwicklung
(Cremers, Costanza, Kniesel, Stiemerling)

Objekterkennung
(Cremers, Englert)

Funktionale Programmierung
(Cremers, Hinze)

Software-Ergonomie und computerunterstützte Gruppenarbeit
(Cremers, Kahler, Lemken, Michels, Pfeifer, Pipek, Rittenbruch, Stiemerling, Won, Wulf)

Objekt-orientierte Programmierung
(Cremers, Kniesel, Costanza)

Data Mining und Data Warehousing
(Cremers, Bode, Kalinski, Wolff)

Relationale und objektorientierte Datenbanken
(Cremers, Bode, Kalinski, Wolff)

Künstliche Intelligenz und Robotik
(Cremers, Buhmann)

Dokumenten-Managementsysteme
(Cremers, Kalinski, Wolff)

Information Retrieval
(Cremers, Kalinski, Wolff)

Online-Algorithmen und Finanzinformatik
(Cremers, Lüssem, Hundack)

Wissensbasierte Systeme
(Cremers, Lüssem, Schmidt, Beetz)

Informationssysteme im Internet
(Cremers, Lüttringhaus-Kappel, Wolff)

Datenbanken und Informationssysteme
(Cremers, Manthey)

Programmierung und Software
(Cremers, Manthey)

Sicherheit von Datenbanken
(Cremers, Spalka)

Computergrafik
(Fellner)

Wissensrepräsentation und Kognitive Robotik
(Lakemeyer, Beetz)

Aktive und deduktive Datenbanken
(Manthey, Griefahn, Lemke)

Logische und ereignisorientierte Programmierung
(Manthey, Griefahn, Lemke)

Besondere Forschungsförderung

Veröffentlichungen
Alms R, Balovnev O, Breunig M, Cremers AB, Jentzsch T, Siehl A:
Space-time modelling of the Lower Rhine Basin supported by an object-oriented database
Physics and Chemistry of the Earth, Elsevier Science, Vol. 23, No. 3, pp. 251-260, 1998

Arbuckle T, Beetz M:
RECIPE - A System for Building Extensible, Run-time Configurable, Image Processing Systems
Proceedings of Computer Vision and Mobile Robotics (CVMR) Workshop, San Torini, Greece, pp. 91-98, September 1998.

Armin B. Cremers:
Agenten der Wissensgesellschaft
in: Jahrbuch 1996 des Wissenschaftszentrums NRW (Hrsg. G. Kaiser), ISBN 3-929483-13-0, S. 26-39

Balovnev O, Bergmann A, Breunig M, Cremers A.B, Shumilov S:
A CORBA-Based Approach to Data and Systems Integration for 3D Geoscientific Applications
Proceedings of International Conference on Spatial Data Handling (SDH'98), Vancouver, Canada, pp. 396-407, 1998

Balovnev O, Breunig M, Cremers A.B, Pant M:
Building Geo-Scientific Applications on Top of GeoToolKit: a Case Study of Data Integration
Proc. of the 10th International Conference on Scientific & Statistical Database Management (SSDBM'98), Capri, Italy, IEEE Computer Society Press, pp. 260-269, 1998

Balovnev O, Breunig M, Cremers A.B:
From GeoStore to GeoToolKit: The second step
Proc. of the 5th International Symposium on Spatial Databases, Berlin, Germany, July 97, Lecture Notes in Computer Science, Vol. 1262, Springer, pp. 223-237, 1997

Balovnev O, Cremers A.B, Reddig W:
Updating Polimorphic Objects
Proc. of the 1st International Conference on Object-Oriented Technology(WOON'96) St. Petersburg, Russia, 1996, pp. 1-11

Balownew O, Bode T, Cremers A B, Kalinski J, Rottmann H, Wolff J E:
A Library Application on Top of an RDBMS: Performance Aspects
Proc. of the 8th Int. Conf. on Database and Expert Systems Applications (DEXA 97). Toulouse, France. Springer, LNCS 1308, pp. 488-497. Sep. 1997.

Balownew O, Bode T, Cremers A B, Kalinski J, Rottmann H, Wolff J E:
Maintaining Library Catalogues with an RDBMS: A Performance Study
Proc. of the 15th British National Conference on Databases (BNCOD 15). London, UK. Springer, LNCS 1271, pp. 116-118. July 1997.

Beetz M, Arbuckle T, Cremers A, Mann M:
Transparent, Flexible, and Resource-adaptive Image Processing for Autonomous Service Robots
in: H. Prade (ed). Procs. of the 13th European Conference on Artificial Intelligence (ECAI-98). Wiley. pp. 632-636, August 1998.

Beetz M, Burgard W, Fox D, Cremers A B:
Integrating active localization into high-level robot control systems.
Robotics and Autonomous Systems 23, pp. 205-220, 1998

Beetz M, Grosskreutz H:
Causal Models of Mobile Service Robot Behavior
In: R. Simmons, S. Smith, and M. Veloso (eds.). Procs. of the Fourth International Conference on AI Planning Systems, AAAI Press, pp. 163-170, 1998.

Beetz M, McDermott D:
Executing Structured Reactive Plans
In: L. Pryor and S. Steel (eds.) AAAI Fall Symposium: Issues in Plan Execution. AAAI Press. 1996.

Beetz M, McDermott D:
Local planning of ongoing behavior
In: Drabble B, editor, Third International Conference on AI Planning Systems, pp. 3-12, Morgan Kaufmann, 1996

Beetz M, McDermott D:
Expressing Transformations of Structured Reactive Plans
In: Recent Advances in AI Planning. Proceedings of the 1997 European Conference on Planning. Springer. pp. 64-76, 1997.

Beetz M, McDermott D:
Fast Probabilistic Plan Debugging
Recent Advances in AI Planning. Proceedings of the 1997 European Conference on Planning. Springer. pp. 77-90, 1997.

Beetz M, Peters H:
Structured Reactive Communication Plans --- Integrating Conversational Actions into High-level Robot Control Systems
In: O. Herzog, A. Guenter. Proceedings of the 22nd German Conference on Artificial Intelligence (KI 98). Springer, pp.177-188, 1998.

Berewinkel J, Knott M, Körwers G, Müller T, Schmidt P:
A prototype of a stand-by system for secondary school mathematics
Proc. of ED-MEDIA/ ED-TELECOM 98, World Conf. on Educational Multimedia and Hypermedia, p. 1924, June 1998, Freiburg, Germany

Berewinkel J, Knott M, Körwers G, Schmidt P:
A prototype of a stand-by system for secondary school mathematics within the context of the motion tasks
Proc. of the Intern. Conf. on Computers in Education (ICCE 97), pp. 992-993, Dec. 1997, Kuching, Sarawak, Malaysia

Breunig M:
Integration of spatial information for geo-information systems
Lecture Notes in Earth Sciences, No. 61, 171 p., Springer, Heidelberg et al., 1996

Brunn A, Englert R, Hau T, Cremers A B, Förstner W:
Aufnahme und intelligente Auswertung großflächiger Szenen
BMFT Projektschlußbericht "Photogrammetrisches Auge" (AIAGS) IAI-TR-98-8, University of Bonn, Department of Computer Science III, Bonn, Germany, 1998.

Bry F, Manthey R, Schuetz H:
"Deduktive Datenbanken"
Künstliche Intelligenz, 3/1996, pp. 17-23

Buhmann J M, Fellner D, Held M, Ketterer J, Puzicha J:
Dithered Color Quantization
Computer Graphics Forum, vol 17, pp. C219-C231, (1998)

Buhmann J M, Hofmann T:
Robust Vector Quantization by Competitive Learning
In: Proceedings of the International Conference on Accoustics, Speech and Signal Processing ICASSP'97, Munich, pp. 139-142 vol.1, 1997.

Buhmann J M, Tishby N:
A Theory of Unsupervised Learning
In "Neural Networks and Generalization", C Bishop (Ed), Kluwer Academic Publisher, pp. 57-68, (1998)

Buhmann J M:
Stochastic Algorithms for Exploratory Data Analysis
In "Learning in Graphical Models", M Jordan (Ed), Kluwer Academic Publisher, pp. 405-419, 1998

Burgard W, Cremers A B, Fox D, Hähnel D, Kappel A.M, Lüttringhaus-Kappel S:
Verbesserte Brandfrüherkennung im Steinkohlenbergbau durchVorhersage von CO-Konzentrationen.
Künstliche Intelligenz (KI), 1, pp. 46-53, 1998.

Burgard W, Cremers A B, Fox D, Heidelbach M, Kappel A M, Lüttringhaus-Kappel S:
Knowledge Enhanced CO-monitoring in Coal Mines
Proceedings of the Ninth International Conference on Industrial & Engineering Applications of Artificial Intelligence & Expert Systems, 1996

Burgard W, Cremers A B, Fox D, Lakemeyer G, Hähnel D, Schulz D, Steiner W S, Thrun S:
The interactive museum tour-guide robot
Proc. of the Fifteenth National Conference on Artificial Intelligence, Madison, WI, pp. 11-18, 1998

Burgard W, Cremers A B, Kolbe T H, Plümer L:
Object Construction by Deduction for a 3D-GIS of a Mine
Proceedings of the 4th International Conference on Practical Application of Prolog PAP'96, London, UK, 1996.

Burgard W, Derr A, Fox D, Cremers A B:
Integrating global position estimation and position tracking for mobile robots: The dynamic markov localization approach
Proc. of the IEEE/RSJ International Conference on Intelligent Robots and Systems(IROS'98), pp. 730-735, 1998

Burgard W, Fox D, Hennig D, Schmidt T:
Estimating the absolute position of a mobile robot using position probability grids
Proc. of the Thirteenth National Conference on Artificial Intelligence, pp. 896-901, 1996

Burgard W, Fox D, Hennig D, Schmidt T:
Position tracking with position probability grids
Proc. of the First Euromicro Workshop on Advanced Mobile Robots (EUROBOT'96), pp. 2-9. IEEE Computer Society Press, 1996

Burgard W, Fox D, Hennig D:
Fast grid-based position tracking for mobile robots
Proc. of the 21st German Conference on Artificial Intelligence (KI'97), Freiburg, Germany. Springer Verlag, pp. 289-300, 1997

Burgard W, Fox D, Thrun S:
Active mobile robot localization by entropy minimization
Proc. of the Second Euromicro Workshop on Advanced Mobile Robots (EUROBOT'97). IEEE Computer Society Press, pp. 155-162, 1997

Burgard W, Fox D, Thrun S:
Active mobile robot localization
Proc. of the Fifteenth International Joint Conference on Artificial Intelligence (IJCAI'97), Nagoya, Japan, pp. 1346-1352, 1997

Carstensen P, Wulf V:
Common Information Spaces in Engineering Design: An Analysis of the Structure and Use of a Project File
in: Proceedings of Concurrent Engineering (CE 98), July 13 - 15, 1998 in Tokyo, pp. 127 - 135

Cremers A B, Kahler H, Pfeifer A, Stiemerling O, Wulf V:
POLITeam - Kokonstruktive und evolutionäre Entwicklung einer Groupware
Informatik-Spektrum Volume 21 Issue 4 (1998), S. 194-202

Cremers A B, Kolbe T H, Plümer L:
Mining Database: An Object Oriented 3D-GIS Application based on Relational and Deductive Technology
In: Proceedings of the 5th International Conference on Extending Database Technology EDBT'96, Avignon, France, 1996.

Cremers A B, Spalka A:
Security Threats and Security Policies for Networked Multimedia Information Systems in Medicine
Hg. M. P. Baur, R. Fimmers und M. Blettner. GMDS 96: Medizinische Informatik, Biometrie und Epidemiologie. München: MMV Medizin Verlag.

Cremers Armin B.:
Agenten der Wissensgesellschaft
in: Jahrbuch 1996 des Wissenschaftszentrums NRW (Hrsg. G. Kaiser), ISBN 3-929483-13-0, S. 26-39, 1997

Cremers, Armin B., Lüssem, Jens, Spalka, Adrian:
Sicherheitsaspekte der fortschreitenden Vernetzung an Schulen
5. Deutscher IT-Sicherheitskongreß des BSI 1997. Ingelheim: SecuMedia Verlag

Englert R, Cremers A B, Seelmann-Eggebert J:
Recognition of Polymorphic Patterns in Parameterized Graphs for 3D Building Reconstruction
In Int. Journal Computing - Archives for Informatics and Numerical Computation, No. 12, Vol. 60, pp. 11-20, 1998.

Englert R, Cremers A B:
Improving Reconstruction of Man-Made Objects from Sensor Images by Machine Learning
In D. McKeown Jr., C. McGlone and O. Jamet (Eds.), Proceedings of the 11th SPIE's International Symposium on AeroSense: Integrating Photogrammetric Techniques with Scene Analysis and Machine Vision III, Volume 3072 of SPIE Proceedings, pp. 263 - 274, 1997.

Englert R, Gülch E:
One-Eye Stereo System for the Acquisition of Complex 3D-Building Structures
GEO-INFORMATION-SYSTEMS, Journal for Spatial Information and Decision Making, No. 4, Vol. 9, pp. 16-21, 1996.

Englert R:
Handling Irregularities of 3D Building Data During Surface Computation
In N. Thalmann and V. Skála (Eds.), Proceedings of the Fifth International Conference in Central Europe on Computer Graphics and Visualization, Volume I, University of West Bohemia Press, Plzen, CR, pp. 104 - 113, 1997.

Englert R:
Reducing Complexity of 3D Object Reconstruction due to Symmetry of Model Knowledge
In E. Baltsavias, W. Eckstein, E. Gülch, M. Hahn, D. Stallmann, K. Tempfli and R. Welch (Eds.), Proceedings of the joint ISPRS commission III/IV workshop ``3D Reconstruction and Modeling of Topographic Objects'' - Integration of multiple information sources and image understanding, Enschede, N.L., pp. 137 - 144. ITC, 1997.

Englert R:
SystematicAcquisition of Generic 3D Building Model Knowledge
In W. Förstner and L. Plümer (Eds.), Semantic Modeling for the Acquisition of Topographic Information from Images and Maps, Proceedings of the Workshop SMATI'97, Basel, Switzerland, pp. 181 - 195. Birkhäuser, 1997.

Englert R:
Acquisition of Complex ModelKnowledge by Domain Theory-Controlled Generalization
In T. Schenk and A. Habib (Eds.), Object Recognition and Scene Classification from Multi-spectral and Multi-sensor Pixels, International Archives of Photogrammetry and Remote Sensing, pp. 317 - 324, 1998.

Fischer A, Kolbe T H, Lang F, Cremers A B, Förstner W, Plümer L, Steinhage V:
Extracting Buildings from Aerial Images using Hierarchical Aggregation in 2D and 3D
Computer Vision & Image Understanding, 72(2), Academic Press, 1998.

Fischer A, Kolbe T H, Lang F:
Integration of 2D and 3D Reasoning for Building Reconstruction Using a Generic Hierarchical Model
In: Förstner, W. and L. Plümer (Eds.). Semantic Modeling for the Acquisition of Topographic Information from Images and Maps, Birkhäuser, Basel, pp. 159-180, 1997.

Fox D, Burgard W, Thrun S, Cremers A B:
A hybrid collision avoidance method for mobile robots
In Proc. of the IEEE International Conference on Robotics and Automation (ICRA'98), Leuven, Belgium, pp.1238-1243, 1998

Fox D, Burgard W, Thrun S, Cremers A B:
Position estimation for mobile robots in dynamic environments
Proc.of the Fifteenth National Conference on Artificial Intelligence, Madison, WI, pp. 983-989, 1998

Fox D, Burgard W, Thrun S:
Controlling synchro-drive robots with the dynamic window approach to collision avoidance
Proc. of the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS'96), pp. 1280-1287, 1996

Fox D, Burgard W, Thrun S:
The dynamic window approach to collision avoidance
IEEE Robotics & Automation Magazine, 4(1):23--33, 1997

Fox D, Burgard W, Thrun S:
Active Markov localization for mobile robots
Robotics and Autonomous Systems, 25, pp. 195-207, 1998

Fröhlinghaus T, Buhmann J M:
Real-Time Phase-Based Stereo for a Mobile Robot
In: Proceedings of the First Euromicro Workshop on Advanced Mobile robots. pp. 178-185, 1996.

Fröhlinghaus T, Buhmann J M:
Regularizing Phase-Based Stereo
In: International Conference on Pattern Recognition (ICPR '96), pp. 451-455, Vienna, 1996.

Griefahn U, Lemke Th, Manthey R:
Tools for Chimera: An Environment for Designing and Prototyping Advanced Applications in an Active DOOD Model
In: Advances in Databases and Information Systems, R. Manthey & V. Wolfengagen (eds.), Springer, electronic Workshops in Computing, ISBN 3-540-76227-2,1998

Gröger G, Plümer L:
Provably Correct and Complete Transaction Rules for GIS
In: Laurini, R., Bergougnoux, P. and N. Pissinou (Eds.) Proceedings of the 5th International Workshop on Advances in Geographic Information Systems (ACM-GIS 97), Las Vegas, Nevada, pp. 40-43, ACM Press, 1997.

Gutmann J.-S, Burgard W, Fox D, Konolige K:
An experimental comparison of localization methods
In Proc. of the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS'98), 1998

Hähnel D, Burgard W, Lakemeyer G:
GOLEX - bridging the gap between logic (GOLOG) and a real robot
In Proc. of the 22nd German Conference on Artificial Intelligence (KI'98), Bremen, Germany, LNCS, Springer Verlag, pp.165-176, 1998

Haneke E:
`Learning' based Filtering of Text Information Using Simple Interest Profiles
In: P. Kandiza and M. Klusch, editors, Cooperative Information Agents, number 1202 in Lecture Notes in Artificial Intelligence, pp. 171-183. Springer, 1997.

Held M, Buhmann J:
Unsupervised On-Line Learning of Decision Trees for Hierarchical Data Analysis
In: Advances in Neural Information Processing Systems (NIPS'97), pp. 514-520, 1997.

Held M, Puzicha J, Buhmann J M:
Visualizing Group Structure
In: Advances in Neural Information Processing Systems (NIPS'98), 1998

Hepsø V, Mark G, Prinz W, Wulf V:
Introducing Groupware in Organizations: what leads to successes and failures?
SIGGROUP Bulletin, Vol. 18, No.3, December 1997, pp. 39 - 41

Herrmann T, Wulf V, Hartmann A:
Requirements for a Human-centered Design of Groupware
in: Shapiro, D.; Tauber, M.; Traunmüller, R. (eds): Design of Computer Supported Cooperative Work and Groupware Systems, Elsevier, Amsterdam 1996, pp. 77 - 100

Hinze R:
Projektionsbasierte Striktheitsanalyse
In "Ausgezeichnete Informatikdissertationen 1996", pp. 46-61. Teubner, Stuttgart, 1998

Hinze R:
Prological features in a functional setting --- axioms and implementations
In Third Fuji International Symposium on Functional and Logic Programming (FLOPS'98), Kyoto University, Japan, April 1998, pp. 98-122. World Scientific, Singapore, New Jersey, London, Hong Kong.

Hofmann T, Buhmann J M:
An Annealed Neural Gas Network for Robust Vector Quantization
In: Proceedings of the International Conference on Artificial Neural Networks (ICANN'96), pp. 151-156, 1996.

Hofmann T, Buhmann J M:
Inferring Hierarchical Clustering Structures by Deterministic Annealing
In: Proceedings of the 2nd Int. Conf. on Knowledge Discovery and Data Mining (KDD'96), pp. 363-366, 1996.

Hofmann T, Buhmann J M:
Active Data Clustering
Advances in Neural Information Processing Systems (NIPS), pp. 528-534, 1997.

Hofmann T, Buhmann J M:
Pairwise Data Clustering by Deterministic Annealing
IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol 19, pp 1-14, 1998

Hofmann T, Buhmann J M:
Competitive Learning Algorithms for Robust Vector Quantization
IEEE Transactions on Signal Processing, vol 46, pp 1665-1675, 1998

Hofmann T, Puzicha J, Buhmann J M:
Unsupervised Segmentation of Textured Images by Pairwise Data Clustering
In: Proceedings of the International Conference on Image Processing, Lausanne, 1996. Vol. III, pp. 137-140.

Hofmann T, Puzicha J, Buhmann J M:
An Optimization Approach to Unsupervised Hierarchical Texture Segmentation
In: Proceedings of the International Conference on Image Processing (ICIP '97), Santa Barbara, pp. III: 213-216, 1997.

Hofmann T, Puzicha J, Buhmann J M:
Deterministic Annealing for Unsupervised Texture Segmentation
In: Proceedings of the International Workshop on Energy Minimization Methods in Computer Vision and Pattern Recognition (EMMCVPR'97), pp. 213-228, Venice, 1997.

Hofmann T, Puzicha J, Buhmann J M:
Unsupervised Texture Segmentation in a Deterministic Annealing Framework
IEEE Transactions on Pattern Analysis and Machine Intelligence Vol 20, pp 803-818, 1998

Hofmann T, Puzicha J, Jordan M I:
Learning from Dyadic Data
In: Advances in Neural Information Processing Systems (NIPS'98), 1998.

Hofmann T, Puzicha J:
Statistical Models for Co-occurrence and Histogram Data
In: Proceedings of the International Conference Pattern Recognition, Brisbane, pp.192-194, 1998.

Hofmann, T:
Data Clustering and Beyond: A deterministic annealing framework for exploratory data analysis
PhD Thesis, Universität Bonn, Shaker Verlag, ISBN 3-8265-315-91997.

Iacucci G, Peters R, Stiemerling O, Wulf V:
Telecooperation Systems in Engineering Companies Supplying the Metallurgy
in: Jacucci, G; Olling, G. J.; Preiss, K.; Wozny, M. J. (eds): Globlization of Manufacturing in the Digital Communications Era of the 21st Century - Innovation, Agility, and the Virtual, Kluwer, Dordrecht 1998 (Proceedings of PROLAMAT '98 - The Tenth International IFIP WG 5.2/5.3 Conference, September 9 - 12, 1998, Trento, Italy) pp. 107 - 119

Kahler H, Rohde M, Wulf V:
Einführung von Groupware im Prozeß integrierter Organisations- und Technikentwicklung
In Brödner P, Paul H, Hamburg I (Hg.): Kooperative Konstruktion und Entwicklung - die Zukunft von CAD-Systemen. München: Rainer Hampp Verlag. S. 95-115

Kahler H, Rohde M:
Changing to stay itself
SIGOIS Bulletin, Vol. 17, No. 3 (December 1996), pp. 62-64

Kahler H, Stiemerling O:
Einführung eines CSCW-Systems zur Kooperationsunterstützung im Komponentenentwicklungsprozeß
Industrie Management 13 (1997) 6, S. 43-46

Kahler H, Wulf V:
Kokonstruktive Weiterentwicklung eines Groupwareproduktes - Das Beispiel der Reimplementierung eines Suchtools
In Proceedings der Fachtagung Software-Ergonomie 1997, S. 211-220

Kahler H:
Developing Groupware with Evolution and Participation - A Case Study
In Proceedings of the Participatory Design Conference 1996, Cambridge, MA, November 1996, pp. 173-182

Ketterer J, Puzicha J, Held M, Fischer M, Buhmann J, Fellner D:
On Spatial Quantization of Color Images
In: Proceedings of the European Conference on Computer Vision, Freiburg, pp. 563-578, 1998.

Klock H-J, Buhmann J M:
Multidimensional Scaling by Deterministic Annealing
In: Proceedings of the International Workshop on Energy Minimization Methods in Computer Vision and Pattern Recognition (EMMCVPR'97), pp. 245-260, Venice, 1997.

Klock H-J, Polzer A, Buhmann J M:
Region-Based Motion Compensated 3D-Wavelet Transform Coding of Video
In: Proceedings of the International Conference on Image Processing, Santa Barbara, pp. II: 776-779, 1997.

Kniesel G:
Type-Safe Delegation for Dynamic Component Adaptation
In Bosch W., Szyperski C., Weck W. (Hrsg.): Proceedings of the Third International Workshop on Component-Oriented Programming (WCOP '98), TUCS General Publication Series, Nr. 10, September 1998, ISBN 952-12-0284-X, Seite 9-18.

Kolbe T H, Plümer L, Cremers A B:
Using Constraints for the Identification of Buildings in Aerial Images
in: Proceedings of the 2nd International Conference on Practical Application of Constraint Technology PACT'96, London, UK, 1996.

Kolbe T H:
Recognition of 3D Objects in Aerial Images Based on Generic Models
In: N. E. Fuchs and U. Geske (Eds.) Proceedings of the Poster Session at the Joint Intern. Conf. and Symp. on Logic Programming JICSLP'96 in Bonn, GMD-Forschungszentrum Informationstechnik GmbH, Sankt Augustin, Germany, GMD-Studien Nr. 296, 1996.

Kolbe T H:
Constraints for Object Recognition in Aerial Images - Handling of Unobserved Features
In: M. Maher and J.-F. Puget (Eds.) Principles and Practice of Constraint Programming (Proceedings of CP'98), No. 1520 in Lecture Notes in Computer Science, Springer-Verlag, Berlin, 1998.

Mambrey P, Paetau M, Prinz W, Wulf V (Hrsg.):
Groupware for Self-Organizing Units
Special Issue des SIGOIS Bulletins, Vol. 17, No. 1, 1996

Mambrey P, Paetau M, Prinz W, Wulf V:
The Autopoietic Turn in Organization Science and its Relevance for CSCW
SIGOIS Bulletin, Vol. 17, No. 1, April 1996, pp. 2 - 4

Mark G, Prinz W, Wulf V:
The POLITeam Project: Groupware Introduction in a Government Environment
SIGGROUP Bulletin, Vol. 18, No.3, December 1997, pp. 64 - 69

Mark G, Wulf V:
Coordinating Effective Work Routines with Groupware
in: Proceedings of the 7th International Conference on Human-Computer Interaction, Elsevier, Amsterdam 1997, pp. 73 - 76

Mørch A, Stiemerling O, Wulf V:
Tailorable Groupware: Issues, Methods, and Architectures
SIGGROUP Bulletin, Vol. 19, No.1, April 1998, pp. 4 - 7

Petzold I, Plümer L:
Plazierung der Beschriftung in dynamisch erzeugten Bildschirmkarten
Nachrichten aus dem Karten- und Vermessungswesen, Reihe I, Heft Nr. 117, Verlag des Instituts für Angewandte Geodäsie, Frankfurt a. M., 1997.

Pfeifer A, Stiemerling O:
Konfiguration des Informationsdienstes in Groupware
Proceedings of the 3. Internationale Tagung Wirtschaftsinformatik, 26.-28.2.97, Berlin, Germany, pp. 263-280, 1997.

Pfeifer A, Wulf V:
Aushandelbarkeit als Konfliktregelungsstrategie in gemeinsam genutzten Datenbanken
in: Brödner, P.; Paul, H.; Hamburg, I. (Hrsg.): Kooperative Konstruktion und Entwicklung - die Zukunft von CAD-Systemen, Rainer Hampp Verlag, Muenchen 1996, S. 215 - 239

Pfeifer A, Wulf V:
Negotiating Conflicts in Active Databases
in: Proceedings of the 4th International Conference on Concurrent Engineering (CE 97), Aug. 20 - 22 1997, Oakland University, Rochester, MI., Technomic Publishing, Lancaster, Basel 1997, pp. 443 - 450

Plümer L, Gröger G:
Nested Maps - a Formal, Provably Correct Object Model for Spatial Aggregates
In: Shekhar, S. u. P. Bergougnoux (Eds.) Proc. of the fourth ACM Workshop on Advances in Geographic Information Systems (ACM-GIS 96), Rockville, Maryland, November 15-16, pp. 76-83, ACM Press, 1996.

Plümer L, Gröger G:
Achieving Integrity in Geographic Information Systems - Maps and Nested Maps
GeoInformatica, 1(4):345-367, 1997.

Plümer L:
Achieving Integrity of Geometry and Topology in Geographical Information Systems
in: Proc. of the "SAMOS" Int. Conf. on Geographic Information Systems in Urban, Environmental and Regional Planning, Island of Samos, Greece, April 19 - 21, 1996.

Plümer L:
Zur Überprüfung der Konsistenz von Geometrie und Topologie in Landkarten
Nachrichten aus dem Karten- und Vermessungswesen, Reihe I, Heft Nr. 115, Verlag des Instituts für Angewandte Geodäsie, Frankfurt am Main, 1996.

Polzer A, Klock H-J, Buhmann J M:
Video-Coding by Region-Based Motion Compensation and Spatio-temporal wavelet transform
In: Proceedings of the International Conference on Image Processing, Santa Barbara, pp. III: 436-439, 1997.

Puzicha J, Buhmann J M:
Multiscale Annealing for Real-Time Unsupervised Texture Segmentation
In: Proceedings of the International Conference on Computer Vision (ICCV), Bombay, pp. 267-273, 1998

Puzicha J, Hofmann T, Buhmann J M:
Non-parametric Similarity Measures for Unsupervised Texture Segmentation and Image Retrieval
In: Proceedings of the IEEE International Conference on Computer Vision and Pattern Recognition, pp. 267-272, San Juan, 1997.

Puzicha J, Hofmann T, Buhmann J M:
Discrete Mixture Models for Unsupervised Image Segmentation
In: Proceedings der Jahrestagung der Deutschen Arbeitsgemeinschaft für Mustererkennung (DAGM'98), pp. 135-142, 1998.

Rittenbruch M, Kahler H, Cremers AB:
Supporting Cooperation in a Virtual Organization
In Hirschheim R, Newman M, DeGross J I (eds.): Proceedings of ICIS '98, pp. 30-38

Rohde M, Pfeifer A, Wulf V:
Konfliktmanagement bei Vorgangsbearbeitungssystemen
WIRTSCHAFTSINFORMATIK, 38. Jg., Nr. 2, 1996, S. 199 - 209

Rohde M, Wulf V:
An Early Evaluation of Technical Mechanisms Supporting Negotiations in Groupware
in: Proceedings of the Second International Conference on the Design of Cooperative Systems (COOP´96), 12. - 14.6.1996 in Juan les Pins, INRIA, Sophia Antipolis 1996, pp. 281 - 297

Schinzel B, Wulf V:
Televorlesung und -übungen ein Mittel zur Bereicherung des Studienangebots? Erfahrungen aus einem baden-württembergischen Pilotprojekt
in: it-ti, Sonderheft "Computerunterstütztes Lernen", Nr. 6, 1997, S. 35 - 40

Schmidt, Peter:
Some knowledge structures and their use is a stand-by system for secondary school mathematics
Proc. of the Intern. Conf. on Computers in Education (ICCE 97), pp. 122-129, Dec. 1997, Kuching, Sarawak, Malaysia

Sikkel K, Stiemerling O:
User-Oriented Authorization in Collaborative Environments
Proceedings of COOP '98, 26.-29.5.98, Cannes, France, pp. 175-183.

Spalka A, Cremers A B:
An Axiomatic Interpretation of Confidentiality Demands in Logic-Based Databases
Logic and Databases 1996. LNCS Bd. 1154. pp. 303-320. Springer-Verlag.

Spalka A, Cremers A B:
Structured name-spaces in secure databases
Hg. T.Y. Lin und Shelly Qian. Database Security XI. IFIP WG11.3 Conference on Database Security 1997. London et al: Chapman & Hall.

Spalka A:
The Non-Primitiveness of the Simple-Security Property and its Non-Applicability to Relational and Logic-Based Databases
9th IEEE Computer Security Foundations Workshop 1996. pp. 146-157. IEEE Computer Society Press.

Stiemerling O, Cremers A B:
Tailorable Component Architectures for CSCW-Systems
Proceedings of the 6th Euromicro Workshop on Parallel and Distributed Programming, Jan 21-24, 1998, Madrid, Spain, IEEE Press, pp. 302-308

Stiemerling O, Cremers A B:
The Use of Cooperation Scenarios in the Design and Evaluation of a CSCW Systmen
IEEE Transactions on Software Engineering, vol. 24, pp. 1171-1181, 1998.

Stiemerling O, Kahler H, Wulf V:
How to make software softer - designing tailorable applications
In Proceedings of the DIS '97, pp. 365-376

Stiemerling O, Wulf V, Cremers Armin B., Buelens C, Boulliard G, Maidhoff M, Peters R, Bancroft C, Fricker F, Durand C:
TransIT - Investigating SME co-operation across borders in Europe
SIGGROUP-Bulletin, August 1998, pp. 34 - 36

Stiemerling O, Wulf V, Rohde M:
Integrated Organization and Technology Development - The case of the ORGTech Project
in: Proceedings of Concurrent Engineering (CE 98), July 13 - 15, 1998 in Tokio, pp. 181 - 187

Stiemerling O, Wulf V:
Beyond "Yes and No" - Extending Access Control in Groupware with Awareness and Negotiation
in: Proceedings of the Third International Conference on the Design of Cooperative Systems (COOP´98), Vol. I, 26. - 29.5.1998 in Cannes, INRIA, Sophia Antipolis 1998, pp. 111 - 120

Stiemerling O:
Supporting Tailorability in Groupware through Component Architectures
Proceedings of the ECSCW '97 Workshop on Object Oriented Groupware Platforms, September 7th 1997, Lancaster, GB, ISBN 90-75176-13-9.

Stiemerling O:
Komponentenbasierte Anpaßbarkeit von Groupware
Proceedings of DCSCW 98, Dortmund, Teubner Verlag, pp. 225-236.

Thrun S, Bücken A, Burgard W, Fox D, Fröhlinghaus T, Hennig D, Hofmann T, Krell M, Schmidt T:
Map learning and high-speed navigation in RHINO
In Kortenkamp D, Bonasso R, Murphy R, editors, Artificial Intelligence and Mobile Robots. MIT/AAAI Press, Cambridge, MA, Ch. 1, pp. 21-52, 1998

Thrun S, Fox D, Burgard W:
A probabilistic approach to concurrent mapping and localization for mobile robots
Machine Learning and Autonomous Robots (joint issue), 1998

Thrun S, Fox D, Burgard W:
Probabilistic mapping of an environment by a mobile robot
Proc. of the IEEE International Conference on Robotics and Automation (ICRA'98), Leuven, Belgium, pp. 1546-1551, 1998

Thrun S, Gutmann J.-S, Fox D, Burgard W, Kuipers B:
Integrating topological and metric maps for mobile robot navigation: A statistical approach
Proc.of the Fifteenth National Conference on Artificial Intelligence, Madison, WI, pp. 989-995, 1998

Wolff J E, Kalinski J:
Mining Library Catalogues: Best-Match Retrieval based on Exact-Match Interfaces
Proc. of the Int. Workshop on Issues and Applications of Database Technology (IADT'98). Berlin, Germany. Society for Design and Process Science, IDPT-Vol. 2, pp. 376-383. July 1998.

Wulf V, Mark G:
The Emergence of Conventions within Processes of Organizational and Technological Change
in: Proceedings of the 7th International Conference on Human-Computer Interaction, Elsevier, Amsterdam 1997, pp.293 - 296

Wulf V, Rohde M:
Reducing Conflicts in Groupware - Metafunctions and their Empirical Evaluation
Behaviour & Information Technology, Vol. 15, No. 6, 1996, pp. 339 - 351

Wulf V, Schinzel B:
Lecture and Tutorial via the Internet - Experiences From a Pilot Project Connecting Five Universities
in: Proceedings of World Conference on Educational Multimedia and Hypermedia & World Conference on Educational Telecommunication (ED-MEDIA & ED-TeleCOM 98), Freiburg, Germany, June, 20 - 25, pp. 1562 - 1567

Wulf V:
Auf dem Weg zu gläsernen Telefonisten? - Betriebliche Fallstudien zum Einsatz computer-integrierter Telefonie
Datenschutz und Datensicherheit, 20. Jg., Nr. 6, 1996, S. 340 - 349

Wulf V:
Groupware within the Process of Integrated Organization and Technology Development
SIGOIS Bulletin, Vol. 17, No. 1, April 1996, pp. 24 - 25

Wulf V:
Handling Conflicts in Groupware: Concepts and Experiences made in the POLITeam-Project
in: Howard, S.; Hammond, J.; Lindgaard, G. (eds): Human Computer Interaction: INTERACT 97, Chapman & Hall 1997 pp. 485 - 492

Wulf V:
Konfliktmanagement bei Groupware
Vieweg, Braunschweig und Wiesbaden 1997 (zugleich: Dissertation Universität Dortmund)

Wulf V:
Organisatorischer Wandel bei Einführung von Groupware
in: Proceedings der dritten internationalen Tagung "Wirtschaftsinformatik ´97" am 26.2. - 28. 2.1997 in Berlin, S. 167 - 182

Wulf V:
Storing and Retrieving Documents in a Shared Workspace: Experiences from the Political Administration
in: Howard, S.; Hammond, J.; Lindgaard, G. (eds): Human Computer Interaction: INTERACT 97, Chapman & Hall 1997, pp. 469 - 476

Wulf V:
Three Research Issues in the Field of CSCW
SIGGROUP Bulletin, Vol. 18, No. 2, August 1997, pp. 14 - 16

Wulf V:
Applying Video Conferencing for Telelearning - An Evaluation of an M-bone based Toolset
in: Proceedings of the Third International Conference on the Design of Cooperative Systems (COOP´98), Vol. II, 26. - 29.5.1998 in Cannes, INRIA, Sophia Antipolis 1998, pp. 107 - 112

Wulf V:
On Conflicts and Negotiation in Multi-User Applications
in: Kent, A.; Williams, J. G. (eds): Encyclopedia of Microcomputers, Marcel Dekker, New York et al., 1998 (invited paper)


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