Emeritus
Technische Universität Braunschweig
Institut für Informationssysteme
Mühlenpfordtstraße 23, 2.OG
D-38106 Braunschweig Deutschland
| Phone: | +49 (531) 391 3267 |
| Email: | HD.Ehrich@tu-bs.de |
| Room: | 235 |
Research interests - information systems modeling, design, specification, implementation and checking; definition and implementation of the modeling and design language TROLL; theoretical foundations: temporal logic, (multi-)object logic, distributed model checking; among others.
Application projects - bioinformatic databases and modeling; specification, design and checking of railway interlocking systems; integrated specification of a train control system; several others.
Courses - undergratuates: algorithms and data structures; graduates: database systems, information systems design, conceptual modeling of information systems, transaction processing, digital libraries, managing data in bioinformatics.
Professional CV- 1967-71 research and teaching assistent, U Hannover; 1967-71 research and teaching assistent, U Kiel; 1974-82 professor of theoretical computer science, U Dortmund; 1979-80 dean of the faculty; 1982-2007 professor of databases and information systems, TU Braunschweig; 1997-99 dean of the faculty; since 2007 emeritus.
Science Organization - 1998-2005 chairman of the advisory board (Beirat) of the Minerva Center "Verification of Reactive Systems" at the Weizmann Institute in Rehovot, Israel. Member of the editorial board of the "Journal of Logic in Computer Science", Oxford University Press. 1992-2000 member of the inspection and advisory board (Fachbeirat) of the Max-Planck-Institut für Informatik in Saarbrücken. 1997-2000 coordinator of the EU ESPRIT 4 Working Group 22704 ASPIRE. Organizer, Coorganizer, member of program committee, member of steering committee etc. of many conferences and workshops.
Memberships - IFIP Working Group 3.1 (Foundations of System Specification), since 1992; IFIP Working Group 2.6 (Databases), 1985-96; GI Fachausschuss 2.5 (Rechnergestützte Informations-systeme), 1987-98; ISO TC 96 SC 5 WG 3 (Conceptual Model), 1979-82; ACM, IEEE (until 2007), GI, EATCS (until 2000); Braunschweigische Wissenschaftliche Gesellschaft, since 1992.
Downloads:
Below please find my online publication list in reverse chronological order; many of the papers are offered for download.
2018
Ehrich, H. - D., "BWG-Kommission „Das Kulturelle Erbe im Digitalen Zeitalter“", Jahrbuch der Braunschweigischen Wissenschaftlichen Gesellschaft, vol. 2017_32, pp. 210-212, 06/2018.
Download: 2017_32_Jahrbuch_BWG_Ehrich.pdf (509.2 KB)
Ehrich, H. - D., and A. Sernadas, "Local Specification of Distributed Families of Sequential Objects", Logic and Computation, vol. 33, London, College Publications, pp. 1-22, 2018.
Download: 2017adt94.pdf (189.66 KB)
2012
Ehrich, H. - D., "My ADT Shrine, invited lecture", Selected Papers from WADT 2010, Till Mossakowski and Hans-Jörg Kreowski, eds., Bremen, Springer LNCS 7137, pp. 13-24, 2012. Abstract
Download: 2012LNCS7137WADT10.pdf (498.99 KB)Ehrich, H. - D., K. Alber, G. Stiege, R. Vollmar, and D. Wätjen, "40 Jahre Informatik an der Technischen Universität Braunschweig 1972-2012", Lecture Notes in Informatics, vol. T-6, Bonn, Gesellschaft für Informatik, pp. 188, 2012.
Stiege, G., H. - D. Ehrich, and W. - T. Balke, Datenbanken und Informationssysteme, , 2012.
Download: 2012IfIS.pdf (2.44 MB)
2010
Pavlovič, O., and H. - D. Ehrich, "Model Checking PLC Software Written in Function Block Diagram", ICST 2010, Paris, IEEE, 2010. Abstract
Download: 2010ICST.pdf (279.11 KB)
2008
Hon, Y. M., J. - T. Tecker, and H. - D. Ehrich, "OOLH: A formal framework for specifying system requirements", SIGSAND-EUROPE 2008, Berlin, Springer LNI, Vol. 129, 2008. Abstract
Download: 2008OOLH.pdf (71.71 KB)
2007
Ehrich, H. - D., S. Eckstein, B. Mathiak, A. Kupfer, and C. Täubner, "Bioinformatik - Erkenntnisse aus der Datenflut?", Abhandlungen der Braunschweigischen Wissenschaftlichen Gesellschaft, vol. LVII: J. Cramer Verlag, pp. 9-34, 2007. Abstract
Download: 2007BWG.pdf (491.15 KB)
2006
Ehrich, H. - D., S. Eckstein, B. Mathiak, A. Kupfer, and C. Täubner, "Bioinformatik: Erkenntnisse aus der Datenflut?", 18. Workshop Grundlagen von Datenbanken, pp. 13-32, June, 2006. Abstract
Download: 2006GrdlDB-Bio.pdf (538.74 KB)Ehrich, H. - D., K. - D. Schewe, and T. H. Tse(eds), "Special Issue Quality Software", Journal of Systems and Software, vol. 79, no. 5: Elsevier B.V., 2006. Abstract
Download: 2006editorialSpecIssueJSS.pdf (241.7 KB)
2004
Ehrich, H. - D., "Bioinformatik - Modellbildung als Herausforderung für die Informatik", Innovation jenseits von Fachgrenzen, M. Bohnet, H. Hopf, K. Lompe, und H. Oberbeck (Herausgeber), Braunschweig, Technische Universität, pp. 37-50, 2004. Abstract
Download: 2004RVBioInf.pdf (699.23 KB)Ehrich, H. - D., and K. - D. Schewe(eds), "Proceedings QSIC 2004", QSIC 2004, Braunschweig, IEEE CS Press, 2004. Abstract
Lin, H., H. - D. Ehrich, and T. H. Tse(eds), "Special Issue QSIC 2003", Information and Software Technology, vol. 46, no. 15: Elsevier B.V., 2004. Abstract
Download: 2004EditorialSpecIssueIST.pdf (243.64 KB)Ryan, M. D., J. - J. C. Meyer, H. - D. Ehrich, and (eds), "Objects, Agents, and Features", Dagstuhl Seminar 03081, Dagstuhl, Springer LNCS 2975, 2004. Abstract
Download: 2004ObjAgFeatIntro.pdf (294.54 KB)
2003
Ehrich, H. - D., M. Kollmann, and R. Pinger, "Checking Object System Designs Incrementally", Journal of Universal Computer Science, vol. 9, no. 2, pp. 106-119, February, 2003. Abstract
Download: 2003JUCS.pdf (167.55 KB)Ryan, M. D., J. - J. C. Meyer, H. - D. Ehrich, and (eds), Objects, Agents, and Features. Dagstuhl Seminar 13081 Report, , Schloss Dagstuhl, IBFI GmbH, 2003.
Download: 2003DagstuhlSeminar03081.pdf (97.64 KB)Ryan, M. D., J. - J. C. Meyer, H. - D. Ehrich, and (eds), Objects, Agents, and Features. Dagstuhl Seminar 13081 Report, , Schloss Dagstuhl, IBFI GmbH, 2003.
Download: 2003DagstuhlSeminar03081.pdf (97.64 KB)
2002
Ehrich, H. - D., "Abstract Data Types", The Concise Handbook of Algebra: Kluwer Academic Publishers, pp. 486-490, 2002. Abstract
Download: 2002HandbAlgebra.pdf (528.49 KB)Ehrich, H. - D., M. Kollmann, and R. Pinger, "Distributed Model Checking", Proc. FM-TOOLS 2002, pp. 53-58, 2002. Abstract
Download: 2002FMTOOLS.pdf (595.59 KB)
2001
Pinger, R., and H. - D. Ehrich, "Compositional Checking of Communication among Observers", Fundamental Approaches to Software Engineering (FASE), Part of the Joint European Conferences on Theory and Practice of Software (ETAPS 2001), Genova, vol. LNCS 2029: Springer, pp. 32-44, 2001. Abstract
Download: 2001FASE.pdf (171.57 KB)Ehrich, H. - D., "Überprüfung von Softwareskizzen und -entwürfen", Jahrbuch 2000 der Braunschweigischen Wissenschaftlichen Gesellschaft: J Cramer Verlag, pp. 69-72, 2001. Abstract
Download: 2001BWG.pdf (46.05 KB)
2000
Ehrich, H. - D., and R. Pinger, "Checking object systems via multiple observers", International ICSC Congress on Intelligent Systems & Applications (ISA'2000) , vol. 1: International Computer Science Conventions (ICSC), Canada, pp. 242-248, 2000. Abstract
Download: 2000ISA.pdf (112.72 KB)Ehrich, H. - D., "Informationssysteme - Hilfe für Dienstleister aller Art", Carolo-Wilhelmina Mitteilungen, vol. Band 35 (Sonderheft "10 Jahre Simultan-Studiengänge"), pp. 46-47, 2000. Abstract
Download: 2000CWM.pdf (461.8 KB)Ehrich, H. - D., U. Goltz, J. Meseguer, A. Pnueli, and (eds), Speci cation of Distributed Information Systems. Dagstuhl Seminar 00081 Report, , Schloss Dagstuhl, IBFI GmbH, 2000.
Download: 2000DagstuhlSemina00081.pdf (187.18 KB)Ehrich, H. - D., and C. Caleiro, "Specifying Communication in Distributed Information Systems", Acta Informatica, vol. 36, no. Fasc1 8, pp. 591-616, 2000. Abstract
Download: 2000Acta.pdf (174.2 KB)Loeckx, J., H. - D. Ehrich, and M. Wolf, "Algebraic specification of abstract data types", Handbook of Logic in Computer Science, Volume 5: Oxford Science Publications, pp. 217-316, 2000. Abstract
1999
Ehrich, H. - D., "Konzeptionelle Modellierung von Informationssystemen", Carolo-Wilhelmina Mitteilungen, vol. Band 34 (Schwerpunktheft Informatik), pp. 16-19, 1999. Abstract
Download: 1999CWM.pdf (515.72 KB)Ehrich, H. - D., "Object Specification", Algebraic Foundations of Systems Specification: Springer, pp. 435-465, 1999. Abstract
Download: 1999ObjSpec.pdf (243.61 KB)
1998
Ehrich, H. - D., C. Caleiro, A. Sernadas, and G. Denker, "Logics for Specifying Concurrent Information Systems", Logics for Databases and Information Systems: Kluwer Academic Publishers, pp. 167-198, 1998. Abstract
Download: 1998ECSD.pdf (255.81 KB)Grau, A., K. Filipe, M. Kowsari, S. Eckstein, R. Pinger, and H. - D. Ehrich, "The TROLL Approach to Conceptual Modelling: Syntax, Semantics and Tools", Proc. of the 17th Int. Conference on Conceptual Modeling (ER'98), Singapore, Springer, LNCS 1507, pp. 277-290, 1998. Abstract
Download: 1998ER.pdf (336.76 KB)
1997
Grau, A., M. Kowsari, and H. - D. Ehrich, "A CASE-Tool Environment for Developing and Validating Conceptual Models (Poster Session)", 9th Conference on Advanced Information Systems Engineering (CAISE'97), Barcelona, June 18-20, 1997. Abstract
Hartel, P., G. Denker, M. Kowsari, M. Krone, and H. - D. Ehrich, "Information systems modelling with TROLL formal methods at work", Information Systems, vol. 22, no. 2-3, pp. 79-99, 1997. Abstract
Download: 1997InfSysAtWork.pdf (846.73 KB)Ehrich, H. - D., Y. Feng, D. Kung, and (eds), Object-Oriented Software Development, Dagstuhl Seminar Report 9715, , Schloss Dagstuhl, IBFI GmbH, 1997.
Download: 1997DagstuhlSemina9715.pdf (196.96 KB)Denker, G., and H. - D. Ehrich, "Specifying Distributed Information Systems: Fundamentals of an Object-Oriented Approach Using Distributed Temporal Logic", Formal Methods for Open Object-Based Distributed Systems (FMOODS'97), Volume 2, IFIP TC6 WG6.1 Intern.\ Workshop, 21-23 July, Canterbury, Kent, UK: Chapman & Hall, pp. 89-104, 1997. Abstract
Download: 1997DenkerEhrich.pdf (548.39 KB)
1996
Kowsari, M., P. Hartel, G. Denker, and H. - D. Ehrich, "A Case Study in Information System Design, The CATC System", FME'96: Industrial Benefit and Advances in Formal Methods, Oxford, UK, March 1996, poster session, 1996. Abstract
1996
Krone, M., M. Kowsari, P. Hartel, G. Denker, and H. - D. Ehrich, "Developing an Information System Using TROLL: an Application Field Study", Proc. 8th Int. Conf. on Advanced Information Systems Engineering (CAiSE'96): Springer, Berlin, LNCS 1080, pp. 136-159, 1996. Abstract
Download: 1996CAiSE.pdf (438.58 KB)Ehrich, H. - D., and P. Hartel, "Temporal Specification of Information Systems", Logic and Software Engineering, Proc. Int. Workshop in Honor of C.S. Tang, Beijing, 14-15 August 1995: World Scientific, pp. 43-71, 1996. Abstract
Download: 1996Beijing.pdf (283.86 KB)Ehrich, H. - D., and K. Neumann, Datenbanksysteme II, , no. 34: Technische Universität Braunschweig, 1996. Abstract
Ehrich, H. - D., Object Specification, , no. 96-07: TU Braunschweig, 1996. Abstract
Loeckx, J., H. - D. Ehrich, and M. Wolf, Specification of abstract data types, : J. Wiley & Sons and B.G.Teubner Publishers, 1996. Abstract
1995
Denker, G., and H. - D. Ehrich, "Action Reification In Object Oriented Specification", Information Systems - Correctness and Reusability, Selected Papers from the IS-CORE Workshop: World Scientific, pp. 103-118, 1995. Abstract
Download: 1995ISCORE.pdf (1.04 MB)Conrad, S., G. Denker, M. Gogolla, R. Herzig, N. Vlachantonis, and H. - D. Ehrich, "Entwicklung zuverlässiger Informationssysteme", EMISA Forum, Mitteilungen der GI-Fachgruppe 2.5.2, vol. 2, pp. 25-33, 1995. Abstract
Download: 1995EMISA.pdf (691.75 KB)Denker, G., and H. - D. Ehrich, "An Event-Based Semantics for Transactions", Proc. Intern. Workshop on Information Systems - Correctness and Reusability (IS-CORE'95), Technical Report, Evry, Sept. 1995: Universite d'Evry Val d'Essonne, Laboratoire de Mathematiques et d'Informatique, pp. 57-72, 1995. Abstract
Ehrich, H. - D., "KORSO Reference Languages -- Concepts and Application Domains", M. Broy and S. Jähnichen, editors, KORSO: Methods, Languages, and Tools for the Construction of Correct Software, Final Report, pages 150–172. Springer, LNCS 1009, 1995. Abstract
Download: 1995KORSOref.pdf (444.2 KB)Ehrich, H. - D., and A. Sernadas, "Local Specification of Distributed Families of Sequential Objects", Recent Trends in Data Types Specification, Proc1 10th Workshop on Specification of Abstract Data Types joint with the 5th COMPASS Workshop, S.Margherita, Italy, May/June 1994, Selected papers: Springer, Berlin, LNCS 906, pp. 219-235, 1995. Abstract
Download: 1995LocSpecDistr.pdf (350.23 KB)Gogolla, M., S. Conrad, G. Denker, R. Herzig, N. Vlachantonis, and H. - D. Ehrich, "TROLL light --- The Language and Its Development Environment", KORSO: Methods, Languages, and Tools for the Construction of Correct Software, Final Report: Springer, pp. 205-220, 1995. Abstract
Download: 1995TrollLight.pdf (971.69 KB)
1994
Ehrich, H. - D., G. Engels, J. Paradaens, P. Wegner, and (eds), Fundamentals of Object- Oriented Languages. Dagstuhl Seminar Report Nr. 95 (9434), , Schloss Dagstuhl, IBFI GmbH, 1994.
Download: 1994DagstuhlSeminar9434.pdf (336.72 KB)Ehrich, H. - D., "Fundamentals of Object-Oriented Information Systems Specification and Design: The OBLOG/TROLL Approach", Nuclear Instruments and Methods in Physics Research A: Elsevier, Amsterdam, pp. 375-378, 1994. Abstract
Download: 1994CERN.pdf (280.86 KB)Ehrich, H. - D., R. Jungclaus, G. Denker, and A. Sernadas, "Object-Oriented Design of Information Systems: Theoretical Foundations", Advances in Database Systems, Implementations and Applications: Springer Verlag, Wien, CISM Courses and Lectures no. 347, pp. 201-218, 1994. Abstract
Download: 1994CISM1.pdf (266.62 KB)Saake, G., T. Hartmann, R. Jungclaus, and H. - D. Ehrich, "Object-Oriented Design of Information Systems: \tt TROLL Language Features", Advances in Database Systems, Implementations and Applications: Springer Verlag, Wien, CISM Courses and Lectures no. 347, pp. 219-245, 1994. Abstract
Download: 1994CISM2.pdf (981.53 KB)Ehrich, H. - D., A. Sernadas, G. Saake, and C. Sernadas, "Distributed Temporal Logic for Concurrent Object Families", Working papers of the International Workshop on Information Systems - Correctness and Reusability: Vrije Universiteit Amsterdam, RapportNr. IR-357, pp. 22-30, 1994. Abstract
Conrad, S., and H. - D. Ehrich, "An Elementary Logic for Object Specification and Verification", Workshop Formale Grundlagen für den Entwurf von Informationssystemen, Tutzing: Technical Report Univ1 Hannover, No1 03/94, pp. 197-206, 1994. Abstract
Gogolla, M., N. Vlachantonis, R. Herzig, G. Denker, S. Conrad, and H. - D. Ehrich, The KORSO Approach to the Development of Reliable Information Systems, , no. 94-06: Technische Universität Braunschweig, 1994. Abstract
1993
Ehrich, H. - D., G. Denker, and A. Sernadas, "Constructing Systems as Object Communities", Proc Theory and Practice of Software Developmen1 (TAPSOFT'93): Springer, Berlin, LNCS 668, pp. 453-467, 1993. Abstract
Download: 1993TAPSOFT.pdf (320.97 KB)Ehrich, H. - D., "Entwicklung zuverlässiger Informationssysteme", Informatik -- Forschung und Entwicklung, vol. 8, no. 3, pp. 160-161, 1993. Abstract
Download: 1993KorSo2.pdf (91.63 KB)Ehrich, H. - D., R. Jungclaus, and G. Denker, "Object Roles and Phases", Proc Intern. Workshop on Information Systems - Correctness and Reusability IS-CORE '93, Technical Report, University of Hannover No1 01/93, pp. 114-121, 1993. Abstract
Vlachantonis, N., R. Herzig, M. Gogolla, G. Denker, S. Conrad, and H. - D. Ehrich, "Towards Reliable Information Systems: The KORSO Approach", Proc 5th Int Conf on Advanced Information Systems Engineering (CAiSE'93): Springer, Berlin, LNCS 685, pp. 463-482, 1993. Abstract
Download: 1993KorSo.pdf (314.47 KB)Conrad, S., G. Denker, M. Gogolla, R. Herzig, N. Vlachantonis, and H. - D. Ehrich, "Zur Entwicklung zuverlässiger Informationssysteme in KorSo", Informatik -- Wirtschaft -- Gesellschaft, Proc. 23. GI-Jahrestagung (GI'93): Springer, Informatik aktuell, pp. 464-469, 1993. Abstract
Download: 1993GI.pdf (401.19 KB)
1992
Ehrich, H. - D., G. Saake, and A. Sernadas, "Concepts of Object-Orientation", Proc of the 2nd Workshop of ``Informationssysteme und Künstliche Intelligenz: Modellierung'', Ulm (Germany): Springer IF 303, pp. 1-19, 1992. Abstract
Download: 1992ConcObjOr.pdf (208.55 KB)Engels, G., M. Gogolla, U. Hohenstein, K. Hülsmann, P. Löhr-Richter, G. Saake, and H. - D. Ehrich, "Conceptual modelling of database applications using an extended ER model", Data & Knowledge Engineering, North-Holland, vol. 9, no. 2, pp. 157-204, 1992. Abstract
Download: 1992DKE.pdf (883.85 KB)Neumann, K., F. Lohmann, and H. - D. Ehrich, "An Experimental Geoscientific Database System", Proc1 Int1 Coll1 on Digital Maps in Geosciences, Würzburg 1989: Geologisches Jahrbuch A122, Hannover, pp. 91-100, 1992. Abstract
Download: 1992GeoDBSys.pdf (1013.78 KB)Ehrich, H. - D., J. A. Goguen, A. Sernadas, and (eds), "Foundations of Information Systems Specification and Design", Dagstuhl Seminar Report No. 35, Schloss Dagstuhl, IBFI GmbH, 1992. Abstract
Costa, J. - F., A. Sernadas, C. Sernadas, and H. - D. Ehrich, "Object Interaction", Mathematical Foundations of Computer Science (MFCS'92): Springer Verlag, pp. 200-208, 1992. Abstract
Download: 1992MFCS.pdf (56.77 KB)Saake, G., R. Jungclaus, and H. - D. Ehrich, "Object-Oriented Specification and Stepwise Refinement", Proc Open Distributed Processing, Berlin (D), 8.-11. Okt 1991 (IFIP Transactions C: Communication Systems, Vol 1): North-Holland, pp. 99-121, 1992. Abstract
Download: 1992SaaJungEh.pdf (313.37 KB)Ehrich, H. - D., M. Gogolla, and A. Sernadas, "Objects and their Specification", Proc 8th Workshop on Abstract Data Types (ADT'91): Springer, Berlin, LNCS 655, pp. 40-65, 1992. Abstract
Download: 1992ObjSpec.pdf (456.9 KB)Hartmann, T., R. Jungclaus, G. Saake, and H. - D. Ehrich, "Spezifikation von Objektsystemen", Objektbanken für Experten: Springer, Berlin, Reihe Informatik aktuell, pp. 220-242, 1992. Abstract
Download: 1992ObjBankExpert.pdf (1.72 MB)
1991
Ehrich, H. - D., J. A. Goguen, and A. Sernadas, "A Categorial Theory of Objects as Observed Processes", Proc REX/FOOL Workshop: LNCS 489, Springer, Berlin, pp. 203-228, 1991. Abstract
Download: 1991CatTheorObjObservProc.pdf (533.9 KB)Gogolla, M., and H. - D. Ehrich, Contributions to: Algebraic System Specification and Development, , Bidoit, M., Kreowski, H.-J., Lescanne, P., Orejas, F. and Sannella, D., editors: Springer, Berlin, LNCS 501, 1991. Abstract
Sernadas, A., and H. - D. Ehrich, "What Is an Object, After All?", Object-Oriented Databases: Analysis, Design and Construction (Proc1 4th IFIP WG 2.6 Working Conference DS-4, Windermere (UK)): North-Holland, pp. 39-70, 1991. Abstract
Download: 1991Windermere.pdf (840.4 KB)Ehrich, H. - D., and A. Sernadas, "Fundamental Object Concepts and Constructions", Information Systems - Correctness and Reusability: TU Braunschweig, Informatik Bericht 91-03, pp. 1-24, 1991. Abstract
1990
Ehrich, H. - D., and A. Sernadas, "Algebraic Implementation of Objects over Objects", Proc REX Workshop ``Stepwise Refinement of Distributed Systems: Models, Formalisms, Correctness'': LNCS 430, Springer, Berlin, pp. 239-266, 1990. Abstract
Download: 1990AlgImplem.pdf (479.42 KB)Engels, G., U. Hohenstein, K. Hülsmann, P. Löhr-Richter, and H. - D. Ehrich, "CADDY: Computer-Aided Design of Non-Standard Databases", Proc 1st Int Conf on System Development Environments and Factories: Pitman, London, 1990. Abstract
Download: 1990Caddy.pdf (896.19 KB)Ehrich, H. - D., A. Sernadas, and C. Sernadas, "From Data Types to Object Types", Journal on Information Processing and Cybernetics EIK, vol. 26, no. 1-2, pp. 33-48, 1990. Abstract
Download: 1990EIK.pdf (875.31 KB)Sernadas, A., H. - D. Ehrich, and J. - F. Costa, "From Processes to Objects", The INESC Journal of Research and Development 1:1, pp. 7-27, 1990. Abstract
Download: 1990INESC.pdf (997.32 KB)Engels, G., M. Gogolla, U. Hohenstein, K. Hülsmann, P. Löhr-Richter, G. Saake, and H. - D. Ehrich, Conceptual Modelling of Database Applications Using an Extended ER Model, , no. 90-05: Technische Universität Braunschweig, 1990. Abstract
1989
Sernadas, A., J. Fiadeiro, C. Sernadas, and H. - D. Ehrich, "Abstract object types: A temporal perspective", Proc. Colloq. on Temporal Logic in Specification, B. Banieqbal, H. Barringer, and A. Pnueli, editors: Springer LNCS 398, 1989. Abstract
Download: 1989AbstrObjTypes.pdf (393.35 KB)Ehrich, H. - D., G. Engels, M. Gogolla, G. Saake, and (eds), "Abstracts des Workshops "Grundlagen von Datenbanken"", Abstracts des Workshops "Grundlagen von Datenbanken": Informatik-Bericht Nr. 89-02, Technische Universität Braunschweig, 1989. Abstract
Sernadas, A., J. Fiadeiro, C. Sernadas, and H. - D. Ehrich, "The Basic Building Block of Information Systems", Information System Concepts: An In-Depth Analysis: North-Holland, Amsterdam, 1989, pp. 225-246, 1989. Abstract
Download: 1989BBBofIS.pdf (1.08 MB)Lohmann, F., K. Neumann, and H. - D. Ehrich, "Entwurf eines Datenbank-Prototyps für geowissenschaftliche Anwendungen", Proc GI/SI-Fachtagung ``Datenbanksysteme in Büro, Technik und Wissenschaft'': Springer, Berlin, 1989, pp. 43-57, 1989. Abstract
Download: 1989BTW.pdf (557.01 KB)Ehrich, H. - D., A. Sernadas, and C. Sernadas, "Objects, Object Types, and Object Identification", Categorical Methods in Computer Science: LNCS 393, Springer, Berlin, pp. 142-156, 1989. Abstract
Download: 1989ObjOtypOid.pdf (313.66 KB)Ehrich, H. - D., M. Gogolla, and U. W. Lipeck, Algebraische Spezifikation abstrakter Datentypen, : Teubner, Stuttgart, 1989. Abstract
1988
Ehrich, H. - D., A. Sernadas, and C. Sernadas, "Abstract Object Types for Databases", Advances in Object-Oriented Database Systems: LNCS 334, Springer, Berlin, 1988, pp. 144-149, 1988. Abstract
Download: 1988AbstrObjTypes.pdf (549.79 KB)Engels, G., U. Hohenstein, G. Saake, and H. - D. Ehrich, "Auf dem Weg zu einer integrierten Datenbank-Entwurfsumgebung", Proc GI-Workshop ``Sprachspezifische Programmierumgebungen'', pp. 38-51, 1988. Abstract
Download: 1988DBEntwUmg2.pdf (564.82 KB)Ehrich, H. - D., F. Lohmann, K. Neumann, and I. Ramm, "A Database Language for Scientific Map Data", Construction and Display of Geosientific Maps Derived from Databases (Proc. Int. Coll. Dinkelsbühl 1986): Geologisches Jahrbuch A 104, pp. 139-152, 1988. Abstract
Download: 1988Geo.pdf (905.2 KB)Engels, G., U. Hohenstein, L. Neugebauer, G. Saake, and H. - D. Ehrich, "Konzeption einer integrierten Datenbank-Entwurfsumgebung", Proc1 DBTA/SI Conf1 ``Data Dictionaries und Entwicklungswerkzeuge für Datenbankanwendungen'': Verlag der Fachvereine an den Schweiz1 Hochschulen und Techniken, Zürich, pp. 151-157, 1988. Abstract
Download: 1988DBEntwUmg1.pdf (692.07 KB)Ehrich, H. - D., K. Drosten, and M. Gogolla, "Towards an Algebraic Semantics for Database Specification", Proc 2nd IFIP WG 2.6 Working Conf on Database Semantics ``Data and Knowledge'' (DS-2), Albufeira, Portugal, North-Holland, Amsterdam, pp. 119-135, 1988. Abstract
Download: 1988Albufeira.pdf (1.08 MB)
1987
Sernadas, A., C. Sernadas, and H. - D. Ehrich, "Object-Oriented Specification of Databases: An Algebraic Approach", Proc 13th Int Conf on Very Large Databases VLDB'87: VLDB Endowment Press, Saratoga (CA), pp. 107-116, 1987. Abstract
Download: 1987VLDB.pdf (679.95 KB)Drawin, M., K. Neumann, and H. - D. Ehrich, "Regelorientierte Erzeugung von Karten-Entwürfen auf geowissenschaftlichen Datenbanken", Proc Datenbanksysteme in Büro, Technik und Wissenschaft: Informatik-Fachbericht 136, Springer, Berlin, pp. 231-246, 1987. Abstract
Download: 1987BTW.pdf (739.81 KB)Hohenstein, U., L. Neugebauer, G. Saake, and H. - D. Ehrich, "Three-Level Specification of Databases Using an Extended Entity-Relationship Model", Proc GI-Fachtagung ``Informationsermittlung und -analyse für den Entwurf von Informationssystemen'': Informatik-Fachbericht 143, Springer, Berlin, 1987, pp. 58-88, 1987. Abstract
Download: 1987ThreeLevelSpec.pdf (1.21 MB)Saake, G., L. Neugebauer, U. Hohenstein, and H. - D. Ehrich, Konzepte und Werkzeuge für eine Datenbank-Entwurfsumgebung, , no. 87-05: Technische Universität Braunschweig, 1987. Abstract
1986
Ehrich, H. - D., K. Drosten, M. Gogolla, U. Lipeck, and (eds), "Abstracts of the 4th Workshop on Specification of Abstract Data Types", Abstracts of the 4th Workshop on Specification of Abstract Data Types: Informatik-Bericht Nr. 86-09, Technische Universität Braunschweig, 1986. Abstract
Ehrich, H. - D., "Key Extensions of Abstract Data Types, Final Algebras, and Database Semantics", Proc Workshop on Category Theory and Computer Programming: Springer, Berlin, LNCS series, pp. 412-433, 1986. Abstract
Download: 1986KeyExtens.pdf (277.5 KB)Lipeck, U. W., G. Saake, and H. - D. Ehrich, Monitoring Dynamic Database Integrity by Transition Graphs, , no. 86-08: Technische Universität Braunschweig, 1986. Abstract
1985
Ehrich, H. - D., "Algebraic (?) specification of conceptual database schemata (extended abstract)", Recent Trends in Data Type Specification, Informatik-Fachberichte, vol. 116: Springer, 1985. Abstract
Download: 1985AlgSpecDB.pdf (349.23 KB)Ramm, I., and H. - D. Ehrich, "Einführung in das Projekt: Entwurf einer Benutzerschnittstelle für eine graphisch-alphanumerische Datenbank", Nachrichten aus dem Karten- und Vermessungswesen, vol. Reihe I, no. Heft 95, pp. 115-124, 1985. Abstract
Download: 1985Geo.pdf (788.93 KB)Lipeck, U. W., H. - D. Ehrich, and M. Gogolla, "Specifying Admissability of Dynamic Database Behaviour Using Temporal Logic", Proc IFIP Working Conf on Theoretical and Formal Aspects of Information Systems: North-Holland, Amsterdam, pp. 145-157, 1985. Abstract
Download: 1985TFAIS.pdf (602.54 KB)Ehrich, H. - D., "Spezifikation konzeptioneller Schemata mit abstrakten Datentypen und Versionen", Proc. GI-Fachgespräch ``Entwurf von Informationssystemen - Methoden und Modelle'', pp. 1-19, 1985. Abstract
Download: 1985Tutzing.pdf (877.62 KB)Ramm, I., K. Neumann, U. W. Lipeck, and H. - D. Ehrich, Eine Benutzerschnittstelle für geowissenschaftliche Datenbanken, : Technische Universität Braunschweig, 1985. Abstract
1984
Gogolla, M., K. Drosten, U. W. Lipeck, and H. - D. Ehrich, "Algebraic and Operational Semantics of Specifications allowing Exceptions and Errors", Theoretical Computer Science, vol. 34, 1984. Abstract
Download: 1984TCS-ExcErr.pdf (728.49 KB)Ehrich, H. - D., and (ed), "Proceedings", GI – 14. Jahrestagung, Braunschweig, Informatik-Fachberichte Nr. 88, Springer, 1984. Abstract
Ehrich, H. - D., and (ed), "Proceedings Fachgespräche", GI – 14. Jahrestagung, Braunschweig, Springer, 1984. Abstract
Ehrich, H. - D., U. W. Lipeck, and M. Gogolla, "Specification, Semantics, and Enforcement of Dynamic Database Constraints", Proc Int Conf on Very Large Databases VLDB '84, pp. 301-308, 1984. Abstract
Download: 1984VLDB.pdf (462.55 KB)Drosten, K., and H. - D. Ehrich, "Translating algebraic specifications to PROLOG programs", Bericht Nr. 84-08, Institut für Informatik: TU Braunschweig, 1984. Abstract
1983
Gogolla, M., K. Drosten, U. Lipeck, and H. - D. Ehrich, "Algebraic and operational semantics of exceptions and errors", Proc. 6. GI-Fachtagung für Theoretische Informatik: Springer LNCS 145, 1983. Abstract
Download: 1983ExceptErrors.pdf (198.63 KB)Ehrich, H. - D., and U. Lipeck, "Algebraic domain equations", Theoretical Computer Science, vol. 27, pp. 167-196, 1983. Abstract
Download: 1983TCS-ADE.pdf (951.11 KB)
1983
Gogolla, M., and H. - D. Ehrich, "Algebraic Specifications with Subsorts Using Declarations", EATCS Bulletin, vol. 21, pp. 31-38, 1983. Abstract
Download: 1983EATCSBull.pdf (93.61 KB)Engels, G., U. Pletat, and H. - D. Ehrich, "An operational semantics for specification of abstract data types with error handling", Acta Informatica, vol. 19: Springer, pp. 235-253, 1983. Abstract
Download: 1983Acta.pdf (667.18 KB)Durchholz, R., and H. - D. Ehrich, "Proceedings", Workshop on Information and Data Structure Description, München, Bericht der GMD Nr. 139, 1983. Abstract
1982
Drosten, K., M. Gogolla, H. - D. Ehrich, and U. Lipeck, "A Hierarchical Approach to an Operational Semantics for Conditional Algebraic Specifications", Berichte der Abteilung Informatik, vol. 144: Universität Dortmund, 1982. Abstract
Ehrich, H. - D., "On the Theory of Specification, Implementation and Parameterization of Abstract Data Types", Journal of the ACM, vol. 29, pp. 206-227, 1982. Abstract
Download: 1982JACM.pdf (449.29 KB)
1981
Ehrich, H. - D., "On Realization and Implementation", MFCS: Springer LNCS 118, 1981. Abstract
Download: 1981MFCS.pdf (167.47 KB)Ehrich, H. - D., "Implicit Specification by Algebraic Domain Equations", EATCS Bulletin, vol. 13, pp. 45-51, 1981.
Download: 1981EATCS.pdf (341.1 KB)Ehrich, H. - D., "Specifying algebraic data types by domain equations", FCT: Springer LNCS 117, 1981. Abstract
Download: 1981FCT-ADE.pdf (485.92 KB)
1980
Ehrich, H. - D., "Proving Implementations Correct - Two Alternative Approaches", IFIP Congress 1980: North-Holland Publ. Comp., 1980. Abstract
Download: 1980IFIP.pdf (384.86 KB)Ehrich, H. - D., "Zur Theorie abstrakter Datentypen", Wiss. Z. Techn. Univ. Dresden, vol. 29,2, pp. 344-346, 1980.
Download: 1980Dresden.pdf (326.3 KB)
1979
Ehrich, H. - D., and V. G. Lohberger, "Parametrie Specification of Abstract Data Types, Parameter Substitution, and Graph Replacements", Proceedings of the Workshop on "Graphentheoretische Konzepte in der Informatik": Hanser-Verlag, 1979. Abstract
Download: 1979Graphen4.pdf (792.42 KB)
1978
Ehrich, H. - D., "Algebraische Spezifikation von Datenstrukturen", Datenstrukturen, Graphen, Algorithmen.: Hanser Appl. Comp. Sc. 8, pp 48-61, 1978. Abstract
Download: 1978Graphen3.pdf (419.04 KB)Ehrich, H. - D., and V. G. Lohberger, "Constructing Specifications of Abstract Data Types by Replacements", Proc. Int. Colloquium on Graph Grammars: Springer LNCS 73, pp 180-191, 1978. Abstract
Download: 1978SpecReplace.pdf (214.4 KB)Ehrich, H. - D., "Extensions and Implementations of Abstract Data Type Specifications", Proc. 7th MFCS: Springer LNCS 64, pages 155–164, 1978. Abstract
Download: 1978MFCS.pdf (217.71 KB)
1977
Ehrich, H. - D., "Algebraic Semantics of Type Definitions and Structured Variables", Proc. FCT’77: Springer LNCS 56, 1977. Abstract
Download: 1977FCT.pdf (283.25 KB)
1976
Ehrich, H. - D., "An Axiomatic Approach to Information Structures", Proc. 5th MFCS: Springer, LNCS 45, pp 277-283, 1976. Abstract
Download: 1976MFCS.pdf (364.21 KB)Ehrich, H. - D., "Ein axiomatischer Ansatz für eine Algebra strukturierter Objekte", Graphensprachen und Algorithmen auf Graphen: Hanser, Appl. Comp. Sc. 1, pages 143–161, 1976. Abstract
Download: 1976Graphen1.pdf (522.3 KB)Ehrich, H. - D., "Eine Mathematische Semantik für die Beschreibung von Datenstrukturen", Graphen, Algorithmen, Datenstrukturen: Hanser Appl Comp. Sc. 4, pp 53-64, 1976. Abstract
Download: 1976Graphen2.pdf (716.42 KB)Ehrich, H. - D., and J. W. Lipski, "On the Storage Space Requirement of Consecutive Retrieval with Redundancy", Information Processing Letters, vol. 4 (4), pp. 101-104, 1976.
Download: 1976ConsecRetrieval.pdf (168.16 KB)Ehrich, H. - D., "Outline of an Algebraic Theory of Structured Objects", Proc. 3rd ICALP, pages 508-530: Edinburgh University Press, 1976. Abstract
Download: 1976EdinBurgh.pdf (966.41 KB)
1975
Ehrich, H. - D., "Grundlagen einer Theorie der Datenstrukturen und Zugriffssysteme. Teil I: Datenstrukturen und Schemata", Acta Informatica, vol. 4: Springer, pp. 201-211, 1975. Abstract
Download: 1975Acta1.pdf (409.11 KB)Ehrich, H. - D., "Grundlagen einer Theorie der Datenstrukturen und Zugriffssysteme. Teil II: Zugriffssysteme", Acta Informatica, vol. 4: Springer, pp. 299-310, 1975. Abstract
Download: 1975Acta2.pdf (425.6 KB)
1974
Ehrich, H. - D., "Theory of Direct-Access Storage Functions", Proc. IFIP'74 Congress, pp 647-651: North-Holland, 1974. Abstract
Download: 1974IFIP.pdf (217.89 KB)
1973
Ehrich, H. - D., "Datenstrukturen und Q-Systeme - eine Mathematische Studie", Proc. 3. Jahrestagung der GI: Springer, LNCS 1, pp363-371, 1973. Abstract
Download: 1973GIJahrestagung.pdf (834.06 KB)Ehrich, H. - D., "Minimale und rn-minimale Variablenmengen für partielle Boole'sche Funktionen", Acta Informatica, vol. 2: Springer, pp. 172-179, 1973. Abstract
Download: 1973Acta.pdf (273.93 KB)
1972
Ehrich, H. - D., "A Note on State Minimization of a Special Class of lncomplete Sequential Machines", IEEE Transactions on Computers, vol. C-21, No. 5: The Institute of Electrical and Electronics Engineers, Inc., pp. 500-502, 1972. Abstract
Download: 1972IEEE-C-21.pdf (144.06 KB)
1970
Ehrich, H. - D., "Über eine Reduktionsmöglichkeit gewisser Überdeckungsprobleme", Automatentheorie und Formale Sprachen, Bericht Nr. 3 einer Tagung des Mathematischen Forschungsinstituts Oberwolfach, Oktober 1969: Bibliographisches Institut Mannheim, 1970. Abstract
Download: 1970MFO3.pdf (725.62 KB)
1968
Bieger, D., H. - D. Ehrich, and O. Wassermann, "Ein ALGOL-Programm zur rechnerischen Trennung nahe benachbarter Ionisationskonstanten nach Britton", Arzneim.-Forsch. (Drug Res.), vol. 18: Editio Cantor KG, pp. 373-377 , 1968. Abstract
Download: 1968DrugResearch.pdf (450.68 KB)