publications:
- title: "Imperfect Requirements in Software Development"
  author:
  - name: "Joost Noppen"
    link: "https://researchr.org/alias/joost-noppen"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Mehmet Aksit"
    link: "https://researchr.org/alias/mehmet-aksit"
  year: "2007"
  doi: "http://dx.doi.org/10.1007/978-3-540-73031-6_18"
  links:
    doi: "http://dx.doi.org/10.1007/978-3-540-73031-6_18"
  researchr: "https://researchr.org/publication/NoppenBA07"
  cites: 0
  citedby: 0
  pages: "247-261"
  booktitle: "Requirements Engineering: Foundation for Software Quality, 13th International Working Conference, REFSQ 2007, Trondheim, Norway, June 11-12, 2007, Proceedings"
  editor:
  - name: "Peter Sawyer"
    link: "https://researchr.org/alias/peter-sawyer"
  - name: "Barbara Paech"
    link: "https://researchr.org/alias/barbara-paech"
  - name: "Patrick Heymans"
    link: "https://researchr.org/alias/patrick-heymans"
  volume: "4542"
  series: "Lecture Notes in Computer Science"
  publisher: "Springer"
  isbn: "978-3-540-73030-9"
  kind: "inproceedings"
  key: "NoppenBA07"
- title: "Rankings from Fuzzy Pairwise Comparisons"
  author:
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Joost Noppen"
    link: "https://researchr.org/alias/joost-noppen"
  year: "2005"
  researchr: "https://researchr.org/publication/BroekN05"
  cites: 0
  citedby: 0
  pages: "188-190"
  booktitle: "2005 International Conference on Computational Intelligence for Modelling Control and Automation (CIMCA 2005), International Conference on Intelligent Agents, Web Technologies and Internet Commerce (IAWTIC 2005), 28-30 November 2005, Vienna, Austria"
  publisher: "IEEE Computer Society"
  isbn: "0-7695-2504-0"
  kind: "inproceedings"
  key: "BroekN05"
- title: "Active Software Artifacts"
  author:
  - name: "Mehmet Aksit"
    link: "https://researchr.org/alias/mehmet-aksit"
  - name: "Francesco Marcelloni"
    link: "https://researchr.org/alias/francesco-marcelloni"
  - name: "Bedir Tekinerdogan"
    link: "https://researchr.org/alias/bedir-tekinerdogan"
  - name: "Klaas van den Berg"
    link: "https://researchr.org/alias/klaas-van-den-berg"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  year: "1997"
  doi: "http://link.springer.de/link/service/series/0558/bibs/1357/13570307.htm"
  links:
    doi: "http://link.springer.de/link/service/series/0558/bibs/1357/13570307.htm"
  researchr: "https://researchr.org/publication/AksitMTBB97"
  cites: 0
  citedby: 0
  pages: "307-310"
  booktitle: "Object-Oriented Technology, ECOOP 97 Workshop Reader, ECOOP 97 Workshops, Jyväskylä, Finland, June 9-13, 1997"
  editor:
  - name: "Jan Bosch"
    link: "https://researchr.org/alias/jan-bosch"
  - name: "Stuart Mitchell"
    link: "https://researchr.org/alias/stuart-mitchell"
  volume: "1357"
  series: "Lecture Notes in Computer Science"
  publisher: "Springer"
  isbn: "3-540-64039-8"
  kind: "inproceedings"
  key: "AksitMTBB97"
- title: "Software development with imperfect information"
  author:
  - name: "Joost Noppen"
    link: "https://researchr.org/alias/joost-noppen"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Mehmet Aksit"
    link: "https://researchr.org/alias/mehmet-aksit"
  year: "2008"
  doi: "http://dx.doi.org/10.1007/s00500-007-0214-7"
  links:
    doi: "http://dx.doi.org/10.1007/s00500-007-0214-7"
  researchr: "https://researchr.org/publication/NoppenBA08"
  cites: 0
  citedby: 0
  journal: "Soft Comput."
  volume: "12"
  number: "1"
  pages: "3-28"
  kind: "article"
  key: "NoppenBA08"
- title: "Fuzzy Weighted Average - Analytical Solution"
  author:
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Joost Noppen"
    link: "https://researchr.org/alias/joost-noppen"
  year: "2009"
  researchr: "https://researchr.org/publication/BroekN09"
  cites: 0
  citedby: 0
  pages: "31-38"
  booktitle: "IJCCI"
  kind: "inproceedings"
  key: "BroekN09"
- title: "Comparison of two approaches to approximated reasoning"
  author:
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  year: "2003"
  doi: "http://www.eusflat.org/publications/proceedings/EUSFLAT_2003/papers/10VanDenBroek.pdf"
  links:
    doi: "http://www.eusflat.org/publications/proceedings/EUSFLAT_2003/papers/10VanDenBroek.pdf"
  tags:
  - "systematic-approach"
  researchr: "https://researchr.org/publication/Broek03"
  cites: 0
  citedby: 0
  pages: "512-516"
  booktitle: "Proceedings of the 3rd Conference of the European Society for Fuzzy Logic and Technology, Zittau, Germany, September 10-12, 2003"
  editor:
  - name: "Michael Wagenknecht"
    link: "https://researchr.org/alias/michael-wagenknecht"
  - name: "Rainer Hampel"
    link: "https://researchr.org/alias/rainer-hampel"
  publisher: "University of Applied Sciences at Zittau/Görlitz, Germany"
  isbn: "3-9808089-4-7"
  kind: "inproceedings"
  key: "Broek03"
- title: "Is It Feasable to Construct a Semantics for All of UML? What Are the Outstanding Issues?"
  author:
  - name: "Roel Wieringa"
    link: "http://wwwhome.cs.utwente.nl/~roelw/"
  - name: "Egidio Astesiano"
    link: "https://researchr.org/alias/egidio-astesiano"
  - name: "Gianna Reggio"
    link: "https://researchr.org/alias/gianna-reggio"
  - name: "Alain Le Guennec"
    link: "https://researchr.org/alias/alain-le-guennec"
  - name: "Heinrich Hußmann"
    link: "https://researchr.org/alias/heinrich-hu%C3%9Fmann"
  - name: "Klaas van den Berg"
    link: "https://researchr.org/alias/klaas-van-den-berg"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  year: "1999"
  tags:
  - "semantics"
  - "UML"
  researchr: "https://researchr.org/publication/WieringaARGHBB99"
  cites: 0
  citedby: 0
  pages: "49-55"
  booktitle: "Object-Oriented Technology, ECOOP 99 Workshop Reader, ECOOP 99 Workshops, Panels, and Posters, Lisbon, Portugal, June 14-18, 1999, Proceedings"
  editor:
  - name: "Ana M. D. Moreira"
    link: "https://researchr.org/alias/ana-m.-d.-moreira"
  - name: "Serge Demeyer"
    link: "https://researchr.org/alias/serge-demeyer"
  volume: "1743"
  series: "Lecture Notes in Computer Science"
  publisher: "Springer"
  isbn: "3-540-66954-X"
  kind: "inproceedings"
  key: "WieringaARGHBB99"
- title: "Comparison of two approaches to dynamic programming"
  author:
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Joost Noppen"
    link: "https://researchr.org/alias/joost-noppen"
  year: "2004"
  doi: "http://doi.acm.org/10.1145/1054916.1054917"
  links:
    doi: "http://doi.acm.org/10.1145/1054916.1054917"
  tags:
  - "programming"
  - "systematic-approach"
  researchr: "https://researchr.org/publication/BroekN04"
  cites: 0
  citedby: 0
  journal: "SIGACT News"
  volume: "35"
  number: "4"
  pages: "111-116"
  kind: "article"
  key: "BroekN04"
- title: "Dealing with imprecise quality factors in software design"
  author:
  - name: "Joost Noppen"
    link: "https://researchr.org/alias/joost-noppen"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Mehmet Aksit"
    link: "https://researchr.org/alias/mehmet-aksit"
  year: "2005"
  doi: "http://doi.acm.org/10.1145/1082983.1083303"
  links:
    doi: "http://doi.acm.org/10.1145/1082983.1083303"
  tags:
  - "design"
  researchr: "https://researchr.org/publication/NoppenBA05"
  cites: 0
  citedby: 0
  journal: "ACM SIGSOFT Software Engineering Notes"
  volume: "30"
  number: "4"
  pages: "1-6"
  kind: "article"
  key: "NoppenBA05"
- title: "Analysis of Feature Models using Generalised Feature Trees"
  author:
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Ismênia Galvão"
    link: "http://www.utwente.nl/ewi/trese/people/Galv%C3%A3o%20Lourenco%20da%20Silva/"
  year: "2009"
  doi: "http://www.vamos-workshop.net/proceedings/VaMoS_2009_Proceedings.pdf"
  links:
    doi: "http://www.vamos-workshop.net/proceedings/VaMoS_2009_Proceedings.pdf"
  tags:
  - "analysis"
  researchr: "https://researchr.org/publication/BroekG09"
  cites: 0
  citedby: 0
  pages: "29-35"
  booktitle: "Third International Workshop on Variability Modelling of Software-Intensive Systems, Seville, Spain, January 28-30, 2009. Proceedings"
  editor:
  - name: "David Benavides"
    link: "https://researchr.org/alias/david-benavides"
  - name: "Andreas Metzger"
    link: "https://researchr.org/alias/andreas-metzger"
  - name: "Ulrich W. Eisenecker"
    link: "https://researchr.org/alias/ulrich-w.-eisenecker"
  volume: "29"
  series: "ICB Research Report"
  publisher: "Universität Duisburg-Essen"
  kind: "inproceedings"
  key: "BroekG09"
- title: "Framework for Computer-Aided Evolution of Object-Oriented Designs"
  author:
  - name: "Selim Ciraci"
    link: "https://researchr.org/alias/selim-ciraci"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Mehmet Aksit"
    link: "https://researchr.org/alias/mehmet-aksit"
  year: "2008"
  doi: "http://doi.ieeecomputersociety.org/10.1109/COMPSAC.2008.46"
  links:
    doi: "http://doi.ieeecomputersociety.org/10.1109/COMPSAC.2008.46"
  tags:
  - "meta-model"
  - "Meta-Environment"
  - "meta-objects"
  researchr: "https://researchr.org/publication/CiraciBA08"
  cites: 0
  citedby: 0
  pages: "757-764"
  booktitle: "Proceedings of the 32nd Annual IEEE International Computer Software and Applications Conference, COMPSAC 2008, 28 July - 1 August 2008, Turku, Finland"
  publisher: "IEEE Computer Society"
  isbn: "978-0-7695-3262-2"
  kind: "inproceedings"
  key: "CiraciBA08"
- title: "A Taxonomy for a Constructive Approach to Software Evolution"
  author:
  - name: "Selim Ciraci"
    link: "https://researchr.org/alias/selim-ciraci"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Mehmet Aksit"
    link: "https://researchr.org/alias/mehmet-aksit"
  year: "2007"
  doi: "http://www.academypublisher.com/jsw/vol02/no02/jsw02028497.html"
  links:
    doi: "http://www.academypublisher.com/jsw/vol02/no02/jsw02028497.html"
  tags:
  - "software evolution"
  - "taxonomy"
  - "systematic-approach"
  researchr: "https://researchr.org/publication/CiraciBA07"
  cites: 0
  citedby: 0
  journal: "JSW"
  volume: "2"
  number: "2"
  pages: "84-97"
  kind: "article"
  key: "CiraciBA07"
- title: "Modelling Imperfect Product Line Requirements with Fuzzy Feature Diagrams"
  author:
  - name: "Joost Noppen"
    link: "http://www.comp.lancs.ac.uk/~noppen/"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Nathan Weston"
    link: "https://researchr.org/alias/nathan-weston"
  - name: "Awais Rashid"
    link: "https://researchr.org/alias/awais-rashid"
  year: "2009"
  doi: "http://www.vamos-workshop.net/proceedings/VaMoS_2009_Proceedings.pdf"
  links:
    doi: "http://www.vamos-workshop.net/proceedings/VaMoS_2009_Proceedings.pdf"
  tags:
  - "feature diagrams"
  - "product line"
  researchr: "https://researchr.org/publication/NoppenBWR09"
  cites: 0
  citedby: 0
  pages: "93-102"
  booktitle: "Third International Workshop on Variability Modelling of Software-Intensive Systems, Seville, Spain, January 28-30, 2009. Proceedings"
  editor:
  - name: "David Benavides"
    link: "https://researchr.org/alias/david-benavides"
  - name: "Andreas Metzger"
    link: "https://researchr.org/alias/andreas-metzger"
  - name: "Ulrich W. Eisenecker"
    link: "https://researchr.org/alias/ulrich-w.-eisenecker"
  volume: "29"
  series: "ICB Research Report"
  publisher: "Universität Duisburg-Essen"
  kind: "inproceedings"
  key: "NoppenBWR09"
- title: "Automating Object-Oriented Software Development Methods"
  author:
  - name: "Bedir Tekinerdogan"
    link: "https://researchr.org/alias/bedir-tekinerdogan"
  - name: "Motoshi Saeki"
    link: "https://researchr.org/alias/motoshi-saeki"
  - name: "Gerson Sunyé"
    link: "https://researchr.org/alias/gerson-suny%C3%A9"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Pavel Hruby"
    link: "https://researchr.org/alias/pavel-hruby"
  year: "2001"
  doi: "http://link.springer.de/link/service/series/0558/bibs/2323/23230041.htm"
  links:
    doi: "http://link.springer.de/link/service/series/0558/bibs/2323/23230041.htm"
  tags:
  - "meta-model"
  - "model-driven development"
  - "Meta-Environment"
  - "meta-objects"
  researchr: "https://researchr.org/publication/TekinerdoganSSBH01"
  cites: 0
  citedby: 0
  pages: "41-56"
  booktitle: "Object-Oriented Technology ECOOP 2001 Workshop Reader, ECOOP 2001 Workshops, Panel, and Posters, Budapest, Hungary, June 18-22, 2001, Proceedings"
  editor:
  - name: "Ákos Frohner"
    link: "https://researchr.org/alias/%C3%A1kos-frohner"
  volume: "2323"
  series: "Lecture Notes in Computer Science"
  publisher: "Springer"
  isbn: "3-540-43675-8"
  kind: "inproceedings"
  key: "TekinerdoganSSBH01"
- title: "Elimination of Constraints from Feature Trees"
  author:
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Ismênia Galvão"
    link: "http://www.utwente.nl/ewi/trese/people/Galv%C3%A3o%20Lourenco%20da%20Silva/"
  - name: "Joost Noppen"
    link: "https://researchr.org/alias/joost-noppen"
  year: "2008"
  tags:
  - "constraints"
  researchr: "https://researchr.org/publication/BroekGN08"
  cites: 0
  citedby: 0
  pages: "227-232"
  booktitle: "Software Product Lines, 12th International Conference, SPLC 2008, Limerick, Ireland, September 8-12, 2008, Proceedings. Second Volume (Workshops)"
  editor:
  - name: "Steffen Thiel"
    link: "https://researchr.org/alias/steffen-thiel"
  - name: "Klaus Pohl"
    link: "https://researchr.org/alias/klaus-pohl"
  publisher: "Lero Int. Science Centre, University of Limerick, Ireland"
  isbn: "978-1-905952-06-9"
  kind: "inproceedings"
  key: "BroekGN08"
- title: "The Compositional Rule of Inference and Zadeh s Extension Principle for Non-normal Fuzzy Sets"
  author:
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Joost Noppen"
    link: "https://researchr.org/alias/joost-noppen"
  year: "2007"
  doi: "http://dx.doi.org/10.1007/978-3-540-72434-6_63"
  links:
    doi: "http://dx.doi.org/10.1007/978-3-540-72434-6_63"
  tags:
  - "rule-based"
  - "composition"
  - "rules"
  researchr: "https://researchr.org/publication/BroekN07"
  cites: 0
  citedby: 0
  pages: "621-628"
  booktitle: "Theoretical Advances and Applications of Fuzzy Logic and Soft Computing, Selection of Papers from IFSA 2007"
  editor:
  - name: "Oscar Castillo"
    link: "https://researchr.org/alias/oscar-castillo"
  - name: "Patricia Melin"
    link: "https://researchr.org/alias/patricia-melin"
  - name: "Oscar Montiel"
    link: "https://researchr.org/alias/oscar-montiel"
  - name: "Roberto Sepúlveda"
    link: "https://researchr.org/alias/roberto-sep%C3%BAlveda"
  - name: "Witold Pedrycz"
    link: "https://researchr.org/alias/witold-pedrycz"
  - name: "Janusz Kacprzyk"
    link: "https://researchr.org/alias/janusz-kacprzyk"
  volume: "42"
  series: "Advances in Soft Computing"
  publisher: "Springer"
  isbn: "978-3-540-72433-9"
  kind: "inproceedings"
  key: "BroekN07"
- title: "Detecting Architecture Instabilities with Concern Traces: An Exploratory Study"
  author:
  - name: "Eduardo Figueiredo"
    link: "http://www.dcc.ufmg.br/~figueiredo"
  - name: "Ismenia Galvao"
    link: "https://researchr.org/alias/ismenia-galvao"
  - name: "Safoora Shakil Khan"
    link: "https://researchr.org/alias/safoora-shakil-khan"
  - name: "Alessandro Garcia"
    link: "https://researchr.org/alias/alessandro-garcia"
  - name: "Claudio Sant'Anna"
    link: "https://researchr.org/alias/claudio-sant%27anna"
  - name: "Afonso Pimentel"
    link: "https://researchr.org/alias/afonso-pimentel"
  - name: "Ana Luisa Medeiros"
    link: "https://researchr.org/alias/ana-luisa-medeiros"
  - name: "Lyrene Fernandes da Silva"
    link: "https://researchr.org/alias/lyrene-fernandes-da-silva"
  - name: "Thais Vasconcelos Batista"
    link: "https://researchr.org/alias/thais-vasconcelos-batista"
  - name: "Rita Almeida Ribeiro"
    link: "https://researchr.org/alias/rita-almeida-ribeiro"
  - name: "Pim van den Broek"
    link: "http://www.utwente.nl/ewi/trese/people/Van%20den%20Broek/"
  - name: "Mehmet Aksit"
    link: "http://www.utwente.nl/ewi/trese/people/Aksit/"
  - name: "Steffen  Zschaler"
    link: "http://www.steffen-zschaler.de/"
  - name: "Ana Moreira"
    link: "http://"
  year: "2009"
  doi: "10.1109/WICSA.2009.5290815"
  tags:
  - "architecture"
  researchr: "https://researchr.org/publication/Figueiredo-09"
  cites: 0
  citedby: 0
  booktitle: "8th Joint Working IEEE/IFIP Conf. on Software Architecture and European Conf. on Software Architecture (WICSA/ECSA 2009)"
  publisher: "IEEE"
  kind: "inproceedings"
  key: "Figueiredo-09"