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Conference Paper
Ehrich, H. - D., and (ed), "Proceedings", GI – 14. Jahrestagung, Braunschweig, Informatik-Fachberichte Nr. 88, Springer, 1984. Abstract
Durchholz, R., and H. - D. Ehrich, "Proceedings", Workshop on Information and Data Structure Description, München, Bericht der GMD Nr. 139, 1983. Abstract
Ehrich, H. - D., and (ed), "Proceedings Fachgespräche", GI – 14. Jahrestagung, Braunschweig, Springer, 1984. Abstract
Ehrich, H. - D., "Proving Implementations Correct - Two Alternative Approaches", IFIP Congress 1980: North-Holland Publ. Comp., 1980. Abstract  Download: 1980IFIP.pdf (384.86 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)
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)
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., "Specifying algebraic data types by domain equations", FCT: Springer LNCS 117, 1981. Abstract  Download: 1981FCT-ADE.pdf (485.92 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)
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)
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)
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., "Theory of Direct-Access Storage Functions", Proc. IFIP'74 Congress, pp 647-651: North-Holland, 1974. Abstract  Download: 1974IFIP.pdf (217.89 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)
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)
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)
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)
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)
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)
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)
Conference Proceedings
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
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
Journal Article
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 U. Lipeck, "Algebraic domain equations", Theoretical Computer Science, vol. 27, pp. 167-196, 1983. Abstract  Download: 1983TCS-ADE.pdf (951.11 KB)
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)
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)
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)
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)
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)
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)
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)
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., "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)