Peter Maria Gerardus Apers

prof.dr.

  • 778 Citations
  • 13 h-Index
1982 …2014

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1993

Detailed application requirements

Apers, P. M. G., de By, R. A., Blanken, H. & Balsters, H., 16 Feb 1993, Enschede: Universiteit Twente. (IMPRESS/AAR-Report; no. W6-001-R3)

Research output: Book/ReportReportProfessional

Exploitatieplan

Apers, P. M. G., de By, R. A., Blanken, H. & Balsters, H., 16 Feb 1993, Enschede: Universiteit Twente.

Research output: Book/ReportReportProfessional

Functional specification of the support toolkit

Apers, P. M. G., de By, R. A., Blanken, H. & Balsters, H., 16 Feb 1993, Enschede: Universiteit Twente. (IMPRESS/AAR-report; no. W7-009-R1)

Research output: Book/ReportReportProfessional

1995

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

van Keulen, M., Skowronek, J., Apers, P. M. G., Balsters, H., Blanken, H., de By, R. A., de By, R. A. & Flokstra, J., 1995, Enschede, The Netherlands: University of Twente. 11 p. (Memoranda Informatica; no. INF 95-37)

Research output: Book/ReportReportOther research output

Open Access
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13 Downloads (Pure)

Design and Validation of Reliable Complex Computer Systems

van Keulen, M., Skowronek, J., Apers, P. M. G., Balsters, H., Blanken, H., de By, R. A. & Flokstra, J., Oct 1995, Enschede, The Netherlands: University of Twente. 10 p.

Research output: Book/ReportReportOther research output

Large-scale interoperability of legacy object bases

Vermeer, W. W. M. & Apers, P. M. G., 1995, Centre for Telematics and Information Technology (CTIT). 21 p. (CTIT Technical Report Series; no. 95-17)

Research output: Book/ReportReportAcademic

1996

A Conceptual Workflow Specification Language

Chan, K. C., Vonk, J., Sanchez, G., Grefen, P. W. P. J. & Apers, P. M. G., 1996, Centre for Telematics and Information Technology (CTIT). (CTIT Technical Report Series; no. 96-48)

Research output: Book/ReportReportAcademic

Design and Specification of WIDE Transaction Management Version 1

Grefen, P. W. P. J., Vonk, J., Chan, K. C., Boertjes, E. M. & Apers, P. M. G., 1996, Enschede: Universiteit Twente.

Research output: Book/ReportReportProfessional

Requirements for LBO transaction

Apers, P. M. G., Blanken, H. & Grefen, P. W. P. J., 1996, Enschede: Universiteit Twente.

Research output: Book/ReportReportProfessional

Transaction Models: an overview

Apers, P. M. G., Blanken, H. & Grefen, P. W. P. J., 1996, Enschede: Universiteit Twente. 23 p.

Research output: Book/ReportReportProfessional

1997

Two-Layer Transaction Management for Workflow Management

Grefen, P. W. P. J., Vonk, J., Boertjes, E. M. & Apers, P. M. G., 1997, Enschede: Centre for Telematics and Information Technology (CTIT).

Research output: Book/ReportReportOther research output

18 Citations (Scopus)

Two-Layer Transaction Management for Workflow Management Applications

Grefen, P. W. P. J., Vonk, J., Boertjes, E. M. & Apers, P. M. G., 1997, Centre for Telematics and Information Technology (CTIT). 21 p. (CTIT Technical Report Series; no. 97-07)

Research output: Book/ReportReportAcademic

1998

An Architecture for Nested Transaction Support on Standard Database Systems

Boertjes, E. M., Grefen, P. W. P. J., Vonk, J. & Apers, P. M. G., Feb 1998, Enschede: Centre for Telematics and Information Technology (CTIT). 22 p. (CTIT Technical Reports Series; no. 98-06)

Research output: Book/ReportReportAcademic

8 Citations (Scopus)

Global Transaction Support: Formal Specification and Practical Application

Grefen, P. W. P. J., Vonk, J., Boertjes, E. M. & Apers, P. M. G., 1998, Centre for Telematics and Information Technology (CTIT). 25 p. (CTIT Technical Report Series; no. 98-10)

Research output: Book/ReportReportAcademic

2001

A selectivity model for fragmented relations in information retrieval

Blok, H. E., Choenni, R. S., Blanken, H. & Apers, P. M. G., Jan 2001, Centre for Telematics and Information Technology (CTIT). 10 p. (CTIT Technical Report Series; no. 01-02)

Research output: Book/ReportReportAcademic

Open Access
File
6 Downloads (Pure)

DXL: Data eXchange Language

van Zwol, R., Jeronimus, V., Jeronimus, V. N., Fokkinga, M. M. & Apers, P. M. G., Dec 2001, Centre for Telematics and Information Technology (CTIT). 17 p. (CTIT Technical Report Series; no. 01-47)

Research output: Book/ReportReportAcademic

Open Access

Predicting the cost-quality trade-off for information retrieval queries: Facilitating database design and query optimization

Blok, H. E., Hiemstra, D., Choenni, R. S., de Jong, F. M. G., Blanken, H. & Apers, P. M. G., Sep 2001, Centre for Telematics and Information Technology (CTIT). 10 p. (CTIT Technical Report Series; no. 01-33)

Research output: Book/ReportReportAcademic

Open Access
File
27 Downloads (Pure)

Webspace query formulation: an overview

van Zwol, R. & Apers, P. M. G., Dec 2001, University of Twente. 14 p. (CTIT Technical Report Series; vol. 01-46)

Research output: Book/ReportReportAcademic

Open Access
File
5 Downloads (Pure)

Webspace retrieval performance experiment

van Zwol, R. & Apers, P. M. G., Dec 2001, University of Twente. 17 p. (CTIT Technical report series; no. 01-45)

Research output: Book/ReportReportAcademic

Open Access
File
6 Downloads (Pure)
2002

A selectivity model for fragmented relations: Evaluated for different standard data distributions

Blok, H. E., Choenni, R. S., Wac, K. E., Blanken, H. & Apers, P. M. G., Sep 2002, Enschede: Centre for Telematics and Information Technology (CTIT). (CTIT Technical Report Series; no. 02-33)

Research output: Book/ReportReportOther research output

2005

Score Region Algebra: Building a Transparent XML-IR Database

Mihajlovic, V., Blok, H. E., Hiemstra, D. & Apers, P. M. G., Dec 2005, Enschede: Centre for Telematics and Information Technology (CTIT). 66 p. (CTIT Technical Report Series; no. TR-CTIT-05-60)

Research output: Book/ReportReportProfessional

Open Access
File
38 Downloads (Pure)

Utilizing Structural Knowledge for Information Retrieval in XML Databases

Mihajlovic, V., Hiemstra, D., Blok, H. E. & Apers, P. M. G., May 2005, Enschede: Databases (DB). 42 p. (CTIT-TR-05; no. 19)

Research output: Book/ReportReportProfessional

File
17 Downloads (Pure)
2006

Contextual Ranking of Database Query Results

Serdyukov, P., Apers, P. M. G. (ed.) & Apers, P. M. G. (ed.), 28 Jun 2006, Enschede: Centre for Telematics and Information Technology (CTIT). 31 p. (CTIT Technical Report Series; no. 06-79)

Research output: Book/ReportReportProfessional

Exploiting Query Structure and Document Structure to Improve Document Retrieval Effectiveness

Mihajlovic, V., Hiemstra, D., Blok, H. E. & Apers, P. M. G., 1 Oct 2006, Enschede: Centre for Telematics and Information Technology (CTIT). 10 p. (CTIT Technical Report Series; no. 06-57)

Research output: Book/ReportReportProfessional

File
56 Downloads (Pure)

Implanting Life-Cycle Privacy Policies in a Context Database

Anciaux, N. L. G., van Heerde, H. J. W., Feng, L. & Apers, P. M. G., Jan 2006, Enschede: University of Twente. 20 p. (CTIT Technical Report Series; no. 06-03)

Research output: Book/ReportReportProfessional

File
21 Downloads (Pure)

Using Description Logics to Model Context Aware Query Preferences

van Bunningen, A. H., Feng, L. & Apers, P. M. G., Apr 2006, Enschede: Centrum voor Telematica en Informatie Technologie. 10 p. (CTIT Technical Report Series; no. 06-17)

Research output: Book/ReportReportProfessional

2007

An Answer Explanation Model for Probabilistic Database Queries

van Bunningen, A. H., Feng, L., Fokkinga, M. M. & Apers, P. M. G., 28 Jun 2007, Enschede: Centre for Telematics and Information Technology (CTIT). 20 p. (CTIT Technical Report Series; no. 1/TR-CTIT-07-41)

Research output: Book/ReportReportProfessional

File
26 Downloads (Pure)

Composable Markov Building Blocks

Evers, S., Fokkinga, M. M. & Apers, P. M. G., 11 May 2007, Enschede: Centre for Telematics and Information Technology (CTIT). 10 p. (CTIT Technical Report Series; no. WP07-01/TR-CTIT-07-32)

Research output: Book/ReportReportProfessional

File
12 Downloads (Pure)

Exploring personalized life cycle policies

van Heerde, H. J. W., Anciaux, N. L. G., Fokkinga, M. M. & Apers, P. M. G., 20 Dec 2007, Enschede: Centre for Telematics and Information Technology (CTIT). 26 p. (CTIT Technical Report Series; no. Supplement/TR-CTIT-07-85)

Research output: Book/ReportReportProfessional

File
72 Downloads (Pure)
2008

The Life-Cycle Policy model

Anciaux, N. L. G., Bouganim, L., van Heerde, H. J. W., Pucheral, P. & Apers, P. M. G., Jul 2008, Rocquencourt, France: Institut National de Recherche en Informatique et en Automatique. 25 p. (Rapport de recherche; no. WoTUG-31/RR-6577)

Research output: Book/ReportReportProfessional

File
28 Downloads (Pure)
2009

Inference Optimization using Relational Algebra

Evers, S., Fokkinga, M. M. & Apers, P. M. G., Aug 2009, Enschede: Databases (DB). 13 p. (CTIT Technical Report Series; no. TR-CTIT-09-38)

Research output: Book/ReportReportProfessional

File
38 Downloads (Pure)
203 Downloads (Pure)
2012

Separate Training for Conditional Random Fields Using Co-occurrence Rate Factorization

Zhu, Z., Hiemstra, D., Apers, P. M. G. & Wombacher, A., 1 Oct 2012, Enschede: Centre for Telematics and Information Technology (CTIT). 10 p. (CTIT Technical Report Series; no. TR-CTIT-12-29)

Research output: Book/ReportReportProfessional

File
15 Downloads (Pure)
2013

Closed form maximum likelihood estimator of conditional random fields

Zhu, Z., Hiemstra, D., Apers, P. M. G. & Wombacher, A., 12 Feb 2013, Enschede: Centre for Telematics and Information Technology (CTIT). (CTIT Technical Report Series; no. TR-CTIT-13-03)

Research output: Book/ReportReportProfessional

File
60 Downloads (Pure)