No photo of Jan Flokstra

Jan Flokstra

ing.

1977 …2018
If you made any changes in Pure these will be visible here soon.

Research Output 1977 2018

Filter
Conference contribution
2018
1 Citation (Scopus)
3 Downloads (Pure)

Flipper 2.0: A Pragmatic Dialogue Engine for Embodied Conversational Agents

van Waterschoot, J. B., Bruijnes, M., Flokstra, J., Reidsma, D., Davison, D. P., Theune, M. & Heylen, D. K. J., 5 Nov 2018, Proceedings of the 18th International Conference on Intelligent Virtual Agents. 18 ed. ACM Press, p. 43-50 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Engines
2015
3 Citations (Scopus)
16 Downloads (Pure)

Incremental data uncertainty handling using evidence combination: a case study on maritime data reasoning

Habib, M. B., Wanders, B., Flokstra, J. & van Keulen, M., Sep 2015, Proceedings of the 5th DEXA Workshop on Information Systems for Situation Awareness and Situation Management (ISSASiM 2015). USA: IEEE Computer Society, p. 147-151 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

File
Cleaning
Semantics
Uncertainty
2013
5 Citations (Scopus)

Point of interest to region of interest conversion

de Graaff, V., de By, R. A., van Keulen, M. & Flokstra, J., Nov 2013, SIGSPATIAL'13: Proceedings of the 21st ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems. New York: Association for Computing Machinery (ACM), p. 388-391 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Trajectories
2008
8 Downloads (Pure)

Sound ranking algorithms for XML search

Hiemstra, D., Klinger, S., Rode, H., Flokstra, J. & Apers, P. M. G., 24 Jul 2008, Proceedings of the 2nd SIGIR workshop on Focused Retrieval. Dunedin, New Zealand: University of Otago, p. 15-21 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

File
XML
Acoustic waves
Semantics
2006
2 Citations (Scopus)
14 Downloads (Pure)

MonetDB/XQuery - Consistent & Efficient Updates on the Pre/Post Plane

Boncz, P., Flokstra, J., Grust, T., van Keulen, M., Manegold, S., Mullender, S., Rittinger, J. & Teubner, J., Mar 2006, Proceedings of the 10th International Conference on Extending Database Technology (EDBT 2006). Berlin, Germany: Springer, p. 1190-1193 4 p. 10.1007/11687238_89. (Lecture Notes in Computer Science; vol. 3896).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

File
21 Downloads (Pure)

PFTijah: text search in an XML database system

Hiemstra, D., Rode, H., van Os, R. & Flokstra, J., 2006, Proceedings of the 2nd International Workshop on Open Source Information Retrieval (OSIR). Ecole Nationale Supérieure des Mines de Saint-Etienne, p. 12-17 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

File
2003
1 Citation (Scopus)

Moa and the multi-model architecture: a new perspective on NF2

van Keulen, M., Vonk, J., de Vries, A. P., Flokstra, J. & Blok, H. E., 1 Sep 2003, Database and Expert Systems Applications. Marik, V., Retschitzegger, W. & Stepankova, O. (eds.). Heidelberg: Springer, p. 67-76

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1998
5 Citations (Scopus)

Road Collapse in Magnum

Wilschut, A. N., van Zwol, R., Flokstra, J., Brasa, N. & Quak, W., Nov 1998, Proceedings of the 6th ACM international symposium on Advances in Geographic Information Systems. New York, NY, USA: ACM Press, p. 20-27 8 p. 10.1145/288692.288698

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1996
1 Citation (Scopus)

Parallel Evaluation of Multi-join Queries

Wilschut, A. N., Flokstra, J. & Apers, P. M. G., 7 Feb 1996, Proc. Third International ACPC Conference. Klagenfurt, Germany, p. 90-97

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1995

A Framework for Representation, Validation and Implementation of Database Application Semantics

van Keulen, M., Skowronek, J., Apers, P. M. G., Balsters, H., de By, R. A. & Flokstra, J., 30 May 1995, Proc. IFIP TC-2 Conf. on Data Semantics (DS-6). Atlanta, U.S.A., p. -

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

A Framework for Representation, Validation and Implementation of Databases Application Semantics

van Keulen, M., Skowronek, J., Apers, P. M. G., Balsters, H., Blanken, H., de By, R. A. & Flokstra, J., Jun 1995, Proceedings of the IFIP WG 2.6 Working Conference on Database Applications Semantics (DS-6). meersman, R. & Mark, L. (eds.). London: Springer, p. 526-546 21 p. (IFIP Advances in Information and Communication Technology).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Parallel evaluation of multi-join queries

Wilschut, A. N., Flokstra, J. & Apers, P. M. G., 29 Jan 1995, ACM SIGMOD International Conference on Management of Data. San Jose, U.S.A., p. -

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Parallel Evaluation of Multi-Join Queries

Wilschut, A. N., Flokstra, J. & Apers, P. M. G., 5 Jan 1995, Proc. ACM SIGMOD International Conference on Management of Data. San Jose, Ca, USA, p. 115-126

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1994
11 Downloads (Pure)

IMPRESS Database Design Tool - a high-level design toolset based on formal theory

Flokstra, J., van Keulen, M. & Skowronek, J., Jul 1994, Proceedings of the 8th European Conference on Object-Oriented Programming (ECOOP 1994). Tokoro, M. & Pareschi, R. (eds.). Demo-papers not included in on-line proceedings, 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

File
2 Citations (Scopus)
22 Downloads (Pure)

The IMPRESS DDT: a database design toolbox based on a formal specification language

Flokstra, J., van Keulen, M. & Skowronek, J., May 1994, Proceedings of the 1994 ACM SIGMOD international conference on Management of data (SIGMOD 1994). New York, NY, USA: ACM Press, p. 506-506 1 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Open Access
File
Specification languages
Information systems
Managers
Formal specification
1993

Implementation and performance evaluation of a parallel transitive closure algorithm on PRISMA/DB

Houtsma, M. A. W., Wilschut, A. N. & Flokstra, J., 27 Jan 1993, VLDB 93 conference. Dublin, p. 206-217

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1992

Parallelism in a main-memory system: The performance of PRISMA/DB

Wilschut, A. N., Flokstra, J. & Apers, P. M. G., 27 Aug 1992, 18th International Conference of Very Large Data Bases.. Vancouver, p. 521-532

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Performance evaluation of integrity control in a parallel main-memory database system

Grefen, P. W. P. J., Flokstra, J. & Apers, P. M. G., 1 Sep 1992, Database and expert systems applications. Vienna: Springer, p. 96-101

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Performance Evaluation of Integrity Control in a Parallel Main-Memory Database System

Grefen, P. W. P. J., Flokstra, J. & Apers, P. M. G., 1992, Proceedings of the 3rd International Conference on Database and Expert System Applications (DEXA 1992). Vienna, Austria: Springer, p. 96-101 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

1990
7 Citations (Scopus)
32 Downloads (Pure)

Parallel Handling of Integrity Constraints

Grefen, P. W. P. J., Flokstra, J. & Apers, P. M. G., 24 Sep 1990, PRISMA workshop on parallel database systems. Noordwijk, Nederland: Springer, p. 222-238 17 p. (Lecture Notes in Computer Science; vol. 503).

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

File

Parallel Query Execution in PRISMA/DB

Wilschut, A. N., Apers, P. M. G. & Flokstra, J., 1 Sep 1990, PRISMA workshop on Parallel Database systems. Noordwijk, Nederland, p. -

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review