Frederik Questier
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Frederik Questier

Me with Iris, my SGI computer
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Research page


    The following lists are getting outdated.
    Please consult my Curriculum Vitae for updated lists.
  • Publications
    1. RTS, a computer program for the experimental set-up and interpretation of ruggedness tests
      F. Questier, Y. Vander Heyden and D.L. Massart
      Journal of Pharmaceutical and Biomedical Analysis 18 (1998), 287-303
      [Abstract] - [Full-Text]

    2. A ruggedness test strategy for procedure related factors: of chromatographic methods: experimental set-up and interpretation
      Y. Vander Heyden, F. Questier and D.L. Massart
      Journal of Pharmaceutical and Biomedical Analysis 17 (1998), 153-168

    3. Ruggedness testing of chromatographic methods: selection of factors and levels
      Y. Vander Heyden, F. Questier and D.L. Massart
      Journal of Pharmaceutical and Biomedical Analysis 18 (1998), 43-56

    4. Use of Mass Spectrometry for assessing Similarity/Diversity of Natural Products with Unknown Chemical Structures
      V. Schoonjans, F. Questier, A.P. Borosy, B. Walczak, D.L. Massart, B.D. Hudson
      Journal of Pharmaceutical and Biomedical Analysis 21 (2000), 1197-1214

    5. Sequential projection pursuit using genetic algorithms for data mining of analytical data
      Q. Guo, W. Wen, F. Questier and D.L. Massart; C. Boucon and S. de Jong
      Journal of Analytical Chemistry, 72(13), 2846-2855 (2000)
      [Abstract] - [Full-Text HTML] - [Full-Text PDF]

    6. Exploratory chemometric analysis of the classification of pharmaceutical substances based on chromatographic data
      A. Detroyer, V. Schoonjans, F. Questier, Y. Vander heyden, A.P. Borosy, Q. Guo and D.L. Massart
      Journal of Chromatography A 897(2000), 23-36

    7. Data structures and data transformations for clustering chemical data
      B. Massart, Q. Guo, F. Questier, D.L. Massart; C. Boucon, S. de Jong and B.G.M. Vandeginste
      TrAC - Trends in Analytical Chemistry 20, 1 (2001) 35-41

    8. Assessing Molecular Similarity/Diversity of Chemical Structures by FT-IR Spectroscopy
      V. Schoonjans, F. Questier, Q. Guo, Y. Van der Heyden, D.L. Massart
      Journal of Pharmaceutical and Biomedical Analysis 24 (4) (2001) pp. 613 - 627
      [Abstract] - [Full-Text]

    9. The Neural-Gas network for classifying analytical data
      F. Questier, Q. Guo, B. Walczak and D.L. Massart; C. Boucon, S. de Jong
      Chemometrics and Intelligent Laboratory Systems, 61/1-2 (2002) pp. 105-121
      [Abstract] - [Full-Text]

    10. Parallel co-ordinate geometry and principal component analysis for the interpretation of large multi-response experimental designs
      Y. Vander Heyden, V. Pravdova, F. Questier, L. Tallieu, A. Scott and D.L. Massart
      Analytica Chimica Acta, Volume 458, Issue 2, 6 May 2002, Pages 397-415
      [Full Text]

    11. Application of rough set theory to feature selection for unsupervised clustering
      F. Questier, I. Rollier, B. Walczak and D.L. Massart
      Chemometrics and Intelligent Laboratory Systems, Volume 63, Issue 2, (2002), 155-167

    12. Feature selection for hierarchical clustering
      F. Questier, B. Walczak, and D.L. Massart; C. Boucon and S. de Jong
      Analytica Chimica Acta, Volume 466, Issue 2 (2002) 311-324

    13. Determining orthogonal chromatographic systems prior to the development of methods to characterise impurities in drugs
      E. Van Gyseghem, S. Van Hemelryck, M. Daszykowski, F. Questier, D.L. Massart and Y. Vander Heyden
      Journal of Chromatography A 988 (2003) 77-93

    14. Classification and regression tree analysis for molecular descriptor selection and retention prediction in chromatographic quantitative structure-retention relationship studies
      R. Put, C. Perrin, F. Questier, D. Coomans, D.L. Massart and Y. Vander Heyden
      Journal of Chromatography A, 988 (2003) 261-276
      [Full text]

    15. Ontwikkeling en implementatie van een instellingsbreed elektronisch studentenportfolio
      F. Questier, W. Meeus, T. Derks
      ICT en onderwijsvernieuwing, 6 (2004), 97-116

    16. Chemometrical exploration of the wet precipitation chemistry from the austrian monitoring network (1988-1999)
      I. Stanimirova, M. Daszykowski, D. L. Massart, F. Questier, V. Simeonov, H. Puxbaum
      Journal of Environmental Management, 74, 4 (2005) 349-363

    17. The use of CART and MRT for supervised and unsupervised feature selection
      F. Questier, R. Put, D. Coomans, B. Walczak and Y. Vander Heyden
      Chemometrics and Intelligent Laboratory Systems, 76, 1 (2005) 45-54

    18. HowOpenIsTheFuture Open Courseware and Open Scientific Publications
      F. Questier, W. Schreurs; Eds. M. Wynants & J. Cornelis
      Chapter in book: "How open is the future? Future Economic, Social & Cultural Scenarios based on Free & Open Source Software", VUBpress, (2005)

    19. Contributions to Clustering and Feature Selection Methods for Clustering
      F. Questier, Promotors: Y. Vander Heyden, B. Walczak, D.L. Massart
      PhD thesis (2005)

    20. Choice for Dokeos - Strategic choice for and implementation of an open source e-learning platform
      I. Deprez, F. Questier, R. Embrechts
      Proceedings of Third International Conference on Open and Distance Learning (ICODL 2005), Greece, Vol. B, 399-402

    21. Open_Bron_Open_Inhoud_Open_Leren Extremadura: Vrije Software in onderwijs en overheid als basis van een informatiemaatschappij
      F. Questier
      Chapter in Book "Open Bron, Open Inhoud, Open Leren", Eds. D. Gombeir and F. Questier, Wolters Plantyn, (2005)

    22. Open Source leerplatform opende nieuwe perspectieven voor Vrije Universiteit Brussel
      F. Questier
      Chapter in Book "Open Bron, Open Inhoud, Open Leren", Eds. D. Gombeir and F. Questier, Wolters Plantyn, (2005)

    23. Advantages and opportunities of free & open source software for education, example of the migration from a closed source to an open source e-learning platform
      F. Questier
      Proceedings of Fifth International Congress on Higher Education Universidad 2006, Cuba.

    24. The open source eportfolio: development and implementation of an institution-wide electronic portfolio platform for students
      W. Meeus, F. Questier, T. Derks
      Journal of Educational Media International, 43, 2 (2006), 133-145



  • Oral Presentations
    1. The inclusion of minimal designs in a ruggedness test strategy
      F. Questier, Y. Vander Heyden and D.L. Massart
      Review meeting of the SMT project; VUB Jette; 17 Jan. 97

    2. RTS, a computer program for the experimental set-up and interpretation of ruggedness tests
      F. Questier, Y. Vander Heyden and D.L. Massart
      7de Forum der Farmaceutische Wetenschappen; Blankenberge; April, 24, 1997

    3. ChemoAC information through Internet
      F. Questier and D.L. Massart
      7th ChemoAC Seminar; VUB Jette; 19 Juni 97

    4. Diversity studies, Cluster Analysis
      F. Questier and D.L. Massart
      VUB Jette; 30 Jan. 98

    5. Neural gas, Kohonen Networks and related methods for data mining of chromatographic data
      F. Questier, B. Walczak and D.L. Massart
      8th ChemoAC Seminar; VUB Jette; 24 March 1999

    6. Possible contributions to OPTIMALT project for the FP5 programme
      Y. Vander Heyden, F. Questier, F. Estienne en D.L. Massart
      Brewing Research International (BRI), Nutfield, England, 07 september 1999

    7. Application of rough set theory to feature selection for unsupervised clustering
      F. Questier, B. Walczak and D.L. Massart
      12th ChemoAC Seminar; VUB Jette; 12 April 2000

    8. ICT gebruik in de opleiding Farmacie VUB
      F. Questier
      Ervaringsuitwisselingsdag Farmacie VUB - Universiteit Utrecht; VUB Jette; 20 March 2001

    9. WHIM descriptors and the representativity problem
      Y. Vander Heyden, F. Questier and D.L. Massart
      ChemoAC Seminar; VUB Jette; 25 April 2001

    10. Feature selection for hierarchical clustering
      F. Questier, B. Walczak and D.L. Massart
      ChemoAC Seminar; VUB Jette; 8 November 2001

    11. Visualization methods for the interpretation of (large) multi-response experimental design data from method development
      Y. Vander Heyden, F. Questier, A. Scott and D.L. Massart
      Keynote lecture at Drug Analysis 2002, Bruges, Belgium, April 22-25, 2002

    12. Hierarchical 2-way clustering and ordering techniques to select subsets of chromatographic systems and substances
      E. Van Gyseghem, F. Questier, M. Daszykowski, D.L. Massart, Y. Vander Heyden
      11th Forum for pharmaceutical sciences, 8-9 may 2003, Spa, Belgium

    13. Portfolio als instrument bij zelfevaluatie en assessment
      F. Questier, E. Namenwirth, D. Derks
      2de dag van de onderwijsvernieuwing, Erasmushogeschool, Brussel, 03/06/03

    14. PointCarre, een nieuwe leeromgeving (a new e-learning environment)
      F. Questier, K. Vanmeerbeek, S. Vanachter, R. Embrechts
      3de dag van de onderwijsvernieuwing, Vrije Universiteit Brussel, 27/05/04

    15. Open Source (Free) Software, Open Standards, Open content for education
      F. Questier
      Invited lecture, Open Source study day, Erasmushogeschool Brussel, 17/02/05

    16. Advantages and possibilities of Open Source Software
      F. Questier
      Invited lecture, Open Source study day organised by the Vlaams Software Platform, the WTCM and the IWT, Brussels, 02/03/05

    17. Generiek portfolio als onderdeel van PointCarr�leerplatform
      F. Questier
      Invited lecture, Study Day "Het portfolio-gebruik in het hoger onderwijs", Erasmushogeschool Brussel, 03/03/05

    18. A general framework for roles and permissions in the Dokeos Learning Content Management System
      F. Questier
      Dokeos developers meeting, Brussels, 24/08/05

    19. Open Source (Vrije) Software, Open Standaarden, Open inhoud voor het onderwijs
      Open Source (Free) Software, Open Standards, Open Content for education
      F. Questier
      Workshops, Vrije Universiteit Brussel, Onderwijsvernieuwing en OnderwijsServiceCentrum (repeated several times since 2004)

    20. Open cursusmateriaal en Open wetenschappelijke publicaties
      (Open courseware and open scientific publications)
      F. Questier
      Invited lecture, Studiedag Vrije Software in het onderwijs, KU Leuven, 21/10/05

    21. Choice for Dokeos - Strategic choice for and implementation of an open source e-learning platform
      F. Questier, I. Deprez, R. Embrechts
      Third International Conference on Open and Distance Learning (ICODL 2005), Greece, 13/11/05

    22. Omgaan met intellectuele eigendomsrechten en privacy bij e-learning
      (Intellectual property and privacy in e-learning)
      F. Questier
      Workshop, Vrije Universiteit Brussel, Onderwijsvernieuwing en OnderwijsServiceCentrum, 28/11/05

    23. Advantages and opportunities of free & open source software for education, example of the migration from a closed source to an open source e-learning platform
      F. Questier
      Invited keynote lecture, Fifth International Congress on Higher Education, Universidad 2006, Cuba.


  • Poster Presentations
    1. A ruggedness test strategy
      Y. Vander Heyden, F. Questier, Massart D.L.
      Chemometrics in analytical chemistry, Tarragona (Catalonia, Spain), 25 - 29 June 1996

    2. The inclusion of minimal designs in a ruggedness test strategy
      F. Questier, Y. Vander Heyden and D.L. Massart
      6th ChemoAC Seminar; VUB Jette; 15-16 Jan. 97

    3. New developments in the Ruggedness Test Strategy program
      F. Questier, Y. Vander Heyden and D.L. Massart
      7th ChemoAC Seminar; VUB Jette; 19 Juni 97

    4. RTS, a computer program for the experimental set-up and interpretation of ruggedness tests
      F. Questier, Y. Vander Heyden and D.L. Massart
      Conferentia Chemometrica 97, Budapest, August, 21-23, 1997
      3rd Chemometrics Symposium, Gembloux, October, 17, 1997

    5. A clustering strategy for data mining
      F. Questier, K. Szczubialka and D.L. Massart
      8th ChemoAC Seminar; VUB Jette, 17 and 18 February 1998

    6. Use of MS for assessing similarity/diversity of natural products with unknown chemical structures
      V. Schoonjans, F. Questier, A. P. Borosy, B. Walczak, D. L. Massart
      2nd International Chemometrics Research Meeting, Koningshof, The Nederlands, 25-28 May 1998
      Drug Analysis Symposium Brussels, 11-15 May 1998

    7. RTS, A software package for the experimental set-up and interpretation of ruggedness tests
      F. Questier, Y. Vander Heyden and D.L. Massart
      Drug Analysis Symposium Brussels, 11-15 May 1998

    8. Clustering tools for data mining
      F. Questier and D.L. Massart
      9th ChemoAC Seminar; VUB Jette, 14 and 15 September 1998
      4th Symposium of the Belgian Chemometrics Society, Tervuren, 20 November 1998

    9. The application of "neural-gas" network, Kohonen topology-conserving mapping and other data mining algorithms for cluster analysis
      F. Questier, B. Walczak and D.L. Massart
      10th ChemoAC Seminar; VUB Jette; 24 March 1999
      5th Belgian Chemometrics Symposium, Machelen, 22 October 1999
      14th Forum for Applied Biotechnology, Brugge, Belgium, 27th and 28th September 2000

    10. Classification de substances pharmaceutiques sur la base de donn�s chromatographiques
      V. Schoonjans, A. Detroyer, F. Questier, Y. Van der Heyden, A.P. Borosy, et D.L. Massart
      La manifestation biennale des Techniques S�aratives et des Couplages, Lyon, 30 march - 1 april 1999

    11. Neural clustering on chromatographic and sensory data.
      F. Questier, B. Walczak and D.L. Massart
      11th ChemoAC Seminar; VUB Jette; 20th & 21st October 1999
      Symposium "Drug Discovery Strategies: Hit and Lead Finding", Mont-St-Guibert, Belgium, 1 December 2000

    12. Application of rough set theory to feature selection for unsupervised clustering
      F. Questier, B. Walczak and D.L. Massart
      12th ChemoAC Seminar; VUB Jette; 11-12 April 2000

    13. Feature selection for unsupervised clustering of continuous data
      F. Questier, B. Walczak and D.L. Massart
      ChemoAC Seminar; VUB Jette; 7-8 November 2000

    14. S-optimality for the selection of representative samples
      F. Questier, B. Walczak and D.L. Massart
      ChemoAC Seminar; VUB Jette; 25-26 April 2001

    15. Web publishing in project based education
      C. Vannecke, F. Questier, Y. Vander Heyden and D.L. Massart
      E.A.F.P. Congress "New Orientations of Teaching" Brussels Belgium, May 4-6, 2001

    16. Feature selection for hierarchical clustering
      F. Questier, B. Walczak and D.L. Massart
      ChemoAC Seminar; VUB Jette; 7-8 November 2001

    17. CART and dendrogram-attribute plots for feature selection in hierarchical clustering
      F. Questier and D.L. Massart
      ChemoAC Seminar; VUB Jette; 24-25 April 2002

    18. Determining orthogonal chromatographic systems prior to the development of methods to characterise impurities in drug substances
      E. Van Gyseghem, M. Daszykowski, F. Questier, Y. Vander Heyden, D. L. Massart
      24th International Symposium on Chromatography, 15-20 september 2002, Leipzig, Germany

    19. Hierarchical 2-way clustering and ordering techniques to select subsets of chromatographic systems and substances
      E. Van Gyseghem, A. Elkihel, M. Jimidar, M. Daszykowski, F. Questier, D.L. Massart and Y. Vander Heyden
      ChemoAC seminar; VUB Jette; 21-22 November 2002
      Belgian Chemometrics Society 7th Chemometrics Symposium, 4 December 2002, Machelen, Belgium

    20. The use of CART and multivariate regression trees for supervised and unsupervised feature selection
      F. Questier, B. Walczak and D.L. Massart
      ChemoAC seminar; VUB Jette; 21-22 November 2002

    Creation Frederik Questier 27-Jun-98
    Last Update Frederik Questier 24-Oct-06
    hits on this page since 27-Jun-98
    hits on all pages since 24-Oct-95