EEMCS

de Graaff, V. and van Keulen, M. and de By, R.A. (2012) Towards Geosocial Recommender Systems. In: 4th International Workshop on Web Intelligence & Communities (WI&C 2012), 16 Apr 2012, Lyon, France. 8:1-8:4. ACM. ISBN 978-1-4503-1189-2

Meratnia, N. and de By, R.A. (2004) Spatiotemporal Compression Techniques for Moving Point Objects. In: Proceedings of the 9th International Conference on Extending Database Technology (EDBT 2004), March 14-18, 2004, Crete, Greece. pp. 765-782. Lecture Notes of Computer Science 2992. Springer-Verlag. ISSN 0302-9743 ISBN 978-3-540-21200-3

Meratnia, N. and de By, R.A. (2003) Trajectory Representation in Location-Based Services: Problems and Solution. In: Proceedings of the Fourth International Conference on Web Information Systems Engineering Workshops (WISEW'03), Rome, Italy. pp. 18-24. IEEE Computer Society. ISBN 0-7695-2103-7

Meratnia, N. and de By, R.A. (2002) Aggregation and comparison of trajectories. In: Proceedings of the 10th ACM international symposium on Advances in geographic information systems, 8-9 Nov 2002, McLean, Virginia, USA. pp. 49-54. ACM Press. ISBN 1-58113-591-2

Meratnia, N. and Kainz, W. and de By, R.A. (2002) Spatio-temporal Methods to Reduce Data Uncertainty in Restricted Movement on a Road Network. In: Proceedings of the 10th International Symposium on Spatial Data Handling, 9-12 Jul 2002, Ottawa, Canada. pp. 391-402. Springer Verlag. ISBN 3-540-43802-5

Faase, F.J. and Even, S.J. and de By, R.A. and Apers, P.M.G. (1998) Integrating organisational and transactional aspects of cooperative activities. In: Proceedings 6th Workshop on Database Programming Languages (DBPL 1997), 18-20 Aug 1997, Estes Park, Colorado, USA. pp. 336-354. Lecture Notes in Computer Science 1369. Springer Verlag. ISBN 3-540-64823-2

Even, S.J. and Faase, F.J. and de By, R.A. (1996) Language features for cooperation in an object-oriented database environment. International Journal of Cooperative Information Systems, Special Issue on Formal Methods, 5 (4). pp. 469-500. ISSN 0218-8430 *** ISI Impact 1,433 ***

Steenhagen, H.J. and de By, R.A. and Blanken, H.M. (1996) Translating OSQL-Queries into Efficient Set Expressions. In: Proceedings of the 5th International Conference on Extending Database Technology (EDBT), 25-29 Mar 1996, Avignon, France. pp. 183-197. Lecture Notes in Computer Science 1057. Springer Verlag. ISSN 0302-9743 ISBN 3-540-61057-X

de By, R.A. and Even, S.J. and Verkoulen, P.A.C. (1995) Functionally Specified Distributed Transactions in Co-operative Scenarios. In: Proceedings of the 5th International Workshop on Research Issues in Data Engineering - Distributed Object Management (RIDE-DOM '95), 6-7 Mar 1995, Taipei, Taiwan. pp. 116-121. IEEE Computer Society. ISBN 0-8186-7056-8

van Keulen, M. and Skowronek, J. and Apers, P.M.G. and Balsters, H. and Blanken, H.M. and de By, R.A. and Flokstra, Jan (1995) A Framework for Representation, Validation and Implementation of Database Application Semantics. INF Memorandum INF 95-37, University of Twente, Enschede, The Netherlands. ISSN 0924-3755

van Keulen, M. and Skowronek, J. and Apers, P.M.G. and Balsters, H. and Blanken, H.M. and de By, R.A. and Flokstra, Jan (1995) Design and Validation of Reliable Complex Computer Systems. INF Memorandum INF 95-38, University of Twente, Enschede, The Netherlands. ISSN 0924-3755

van Keulen, M. and Skowronek, J. and Apers, P.M.G. and Balsters, H. and Blanken, H.M. and de By, R.A. and Flokstra, Jan (1995) A Framework for Representation, Validation and Implementation of Databases Application Semantics. In: Database Applications Semantics, Proceedings of the Sixth IFIP TC-2 Working Conference on Data Semantics (DS-6), May 30 - June 2, 1995, Stone Mountain, Atlanta, Georgia, USA. pp. 526-546. IFIP Conference Proceedings 74. Chapman & Hall. ISBN 0-412-72600-9

Grefen, P.W.P.J. and de By, R.A. (1994) A Multi-Set Extended Relational Algebra - A Formal Approach to a Practical Issue. In: Proceedings of the 10th International Conference on Data Engineering (ICDE 1994), 14-18 Feb 1994, Houston, TX, USA. pp. 80-88. IEEE Computer Society. ISBN 0-8186-5402-3

Grefen, P.W.P.J. and de By, R.A. and Apers, P.M.G. (1994) Integrity Control in Advanced Database Systems. IEEE Bulletin on Data Engineering, 17 (2). pp. 9-13.

Holsheimer, M. and de By, R.A. and Ait-Kaci, H. (1994) A Database Interface for Complex Objects. In: Proceedings of the 11th International Conference on Logic Programming (ICLP 1994), 13-18 June 1994, Santa Margherita Ligure, Italy. pp. 437-455. MIT Press. ISBN 0-262-72022-1

Steenhagen, H.J. and Apers, P.M.G. and Blanken, H.M. and de By, R.A. (1994) From Nested-Loop to Join Queries in OODB. In: Proceedings of 20th International Conference on Very Large Data Bases (VLDB 1994), 12-15 Sep 1994, Santiago de Chile, Chile. pp. 618-629. Morgan Kaufmann Publishers Inc.. ISBN 1-55860-153-8

Vis, J. and Brinksma, H. and de By, R.A. (1994) Formal Specification of Distributed Information Systems. In: CAiSE'94 workshop on Formal Descriptions of Distributed Information Systems, Utrecht, The Netherlands.

Balsters, H. and de By, R.A. and Zicari, R. (1993) Typed Sets as a Basis for Object-Oriented Database Schemas. In: Proceedings of the 7th European Conference on Object-Oriented Programming (ECOOP 1993), 26-30 July 1993, Kaiserslautern, Germany. pp. 161-184. Lecture Notes in Computer Science 707. Springer Verlag. ISSN 0302-9743 ISBN 3-540-57120-5

Holsheimer, M. and de By, R.A. and Ait-Kaci, H. (1993) A Database Interface for Complex Objects. Technical Report PRL-RR-27 Digital Equipment Corporation, Paris Research Laboratory, Avenue Victor Hugo 85, 92563 Rueil Malmaison Cedex, France.

Balsters, H. and de By, R.A. and Zicari, R. (1991) Typed Sets as a Basis for Object-Oriented Database Schemas. In: Proceedings Computer Science in the Netherlands (CSN1991), 7-8 November 1991, Utrecht, The Netherlands. pp. 62-77. Stichting Mathematisch Centrum. ISBN 90-6196-403-2

de By, R.A. (1991) The Integration Of Specification Aspects In Database Design. PhD thesis, University of Twente. ISBN 90-9004461-2