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"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
"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
"Object-Oriented Specification of Databases: An Algebraic Approach",
Proc1 13th Int1 Conf1 on Very Large Databases VLDB'87: VLDB Endowment Press, Saratog1 (CA), pp. 107-116, 1987.
Abstract
"The Basic Building Blocks of Information Systems",
Information System Concepts: An In-Depth Analysis: North-Holland, Amsterdam, 1989, pp. 225-246, 1989.
Abstract
"From Processes to Objects",
The INESC Journal of Research and Development 1:1, pp. 7-27, 1990.
Abstract
"Conceptual Views for Entity-Centric Search: Turning Data into Meaningful Concepts",
14. GI-Fachtagung Datenbanksysteme für Business, Technologie und Web (BTW), Kaiserslautern, Germany, 2011.
Abstract
Download: conceptual_views.pdf (1.19 MB)
"The Concepts of the Crowd: Mining Perceptual Attributes from Rating Data on the Social Web",
Carl-Friedrich-Gauß-Fakultät: Technische Universität Braunschweig, 2012.
Abstract
Download: dissertation-selke.pdf (6.19 MB)
"Turning Experience Products into Search Products: Making User Feedback Count",
13th IEEE Conference on Commerce and Enterprise Computing (CEC 2011), Luxembourg, Luxembourg, 07/2011.
Abstract
Download: cec2011.pdf (125.22 KB)
"SkyMap: A Trie-Based Index Structure for High-Performance Skyline Query Processing",
22nd International Conference on Database and Expert Systems Applications (DEXA 2011), Toulouse, France, Springer, 08/2011.
Abstract
Download: dexa 2011 - final.pdf (250.28 KB)
"Highly Scalable Multiprocessing Algorithms for Preference-Based Database Retrieval",
15th International Conference on Database Systems for Advanced Applications (DASFAA), Tsukuba, Japan, 04/2010.
Abstract
Download: Fulltext.pdf (1.01 MB)
"Conceptual Views for Entity-Centric Search: Turning Data into Meaningful Concepts (extended)",
Computer Science: Research and Development , vol. 27, no. 1: Springer, pp. 65-79, 2012.
Abstract
Download: concept_queries.pdf (1.63 MB)
"Representing Perceptual Product Features in Databases",
23rd GI Workshop on Foundations of Databases (Grundlagen von Datenbanken), Obergurgl, Austria, 05/2011.
Abstract
Download: gvdb2011.pdf (117.45 KB)
"Extracting Features from Ratings: The Role of Factor Models",
5th Multidisciplinary Workshop on Advances in Preference Handling, Lisbon, Portugal, 08/2010.
Abstract
Download: Mpref 2010.pdf (180.28 KB)
"Pushing the Boundaries of Crowd-Enabled Databases with Query-Driven Schema Expansion",
38th Int. Conf. on Very Large Data Bases (VLDB), Istanbul, Turkey, in PVLDB 5(6) , 08/12, 2012.
Abstract
Download: 267_camera-ready-v3.pdf (1.25 MB)
"Monitoring Temporal Preconditions in a Behaviour Oriented Object Model",
Data \1 Knowledge Engineering, vol. 14, no. 2, pp. 143-186, December, 1994.
Abstract
Monitoring Temporal Preconditions in a Behaviour Oriented Object Model,
, no. 93-07: TU Braunschweig, 1993.
Abstract
"Monitoring Temporal Permissions using Partially Evaluated Transition Graphs",
Proc1 4th International Workshop: Modelling Database Dynamics, Volkse 1992: Workshops in Computing, Springer, Berlin, pp. 196-217, 1993.
Abstract
"Expressing Temporal Behaviour with Extended ECA Rules",
Proc1 12th British National Conference on Databases (BNCO1 12), University of Surrey: Springer, LNCS, Berlin, 1994.
Abstract
"Specifiying the Remote Controlling of Valves in an Explosion Test Environment",
Formal Methods Europe, FME'97, 4th Intern.\ Symposium, Technical University Graz, Austria, 15-19 September, 1997: Springer, Berlin, LNCS 1313, pp. 201-220, 1997.
Abstract
"Application Modelling in Heterogeneous Environments using an Object Specification Language",
Int1 Journal of Intelligent and Cooperative Information Systems, vol. 2, no. 4, pp. 425-449, 1993.
Abstract
"Object-Oriented Specification and Stepwise Refinement",
Proc1 Open Distributed Processing, Berlin (D), 8.-11.\ Okt1 1991 (IFIP Transactions C: Communication Systems, Vol1 1): North-Holland, pp. 99-121, 1992.
Abstract
"Sorting, Grouping, and Duplicate Elimination in the Advanced Information Management Prototype",
Proc1 15th Int1 Conf1 on Very Large Databases VLDB'89: Morgan Kaufmann, Palo Alto, 1989, pp. 307-316, 1989.
Abstract
"Application Modelling in Heterogeneous Environments using an Object Specification Language",
Int1 Conf1 on Intelligent & Cooperative Information Systems (ICICIS'93): IEEE Computer Society Press, pp. 309-318, 1993.
Abstract
"Foundations of Temporal Integrity Monitoring",
Proc1 IFIP Working Conf1 on Temporal Aspects in Information Systems: North-Holland Publ1 Comp., Amsterdam, pp. 235-249, 1988.
Abstract
"Models and Languages for Abstract Objects",
Encyclopedia of Microcomputers, vol. 11: Marcel Dekker, Inc., pp. 173-187, 1993.
Abstract
"Information about Objects versus Derived Objects",
Second Workshop on Foundations and Languages for Data and Objects: Informatik-Bericht 90/3, Technische Universität Clausthal, pp. 59-70, 1990.
Abstract
"Models and Languages for Abstract Objects",
Encyclopedia of Computer Science and Technology, vol. 30: Marcel Dekker, Inc., pp. 241-255, 1994.
Abstract
"Views and Formal Implementation in a Three-Level Schema Architecture for Dynamic Objects",
Advanced Database System1 : Proc1 10th British National Conference on Databases (BNCO1 10), July 6-8, 1992, Aberdeen (Scotland): Springer, LNCS 618, Berlin, pp. 78-95, 1992.
Abstract
"Using Finite-Linear Temporal Logic for Specifying Database Dynamics",
Proc1 CSL'88 2nd Workshop Computer Science Logic: Springer, Berlin, pp. 288-300, 1989.
Abstract
"Evolving Object Specifications",
Working papers of the International Workshop on Information Systems - Correctness and Reusability: Vrije Universiteit Amsterdam, RapportNr. IR-357, pp. 311-320, 1994.
Abstract
Objektorientierte Spezifikation von Informationssystemen,
: Teubner, 1993.
Abstract
"Descriptive Specification of Database Object Behaviour",
Data & Knowledge Engineering, vol. 6, no. 1, pp. 47-74, 1991.
Abstract
"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
"Abstract Data Type Semantics for Many-Sorted Object Query Algebras",
Proceedings 3rd. Symp. on Mathematical Fundamentals of Database and Knowledge Base Systems MFDBS-91, Rostock (D): LNCS 495, Springer, Berlin, pp. 291-307, 1991.
Abstract
Konzepte und Werkzeuge für eine Datenbank-Entwurfsumgebung,
, no. 87-05: Technische Universität Braunschweig, 1987.
Abstract