Model checking __lots__ of systems: efficient verification of temporal properties in software product linesA Classen, P Heymans, PY Schobbens, A Legay, JF Raskin Proceedings of the 32nd ACM/IEEE International Conference on Software …, 2010 | 446 | 2010 |

Symbolic model checking of software product lines A Classen, P Heymans, PY Schobbens, A Legay Proceedings of the 33rd International Conference on Software Engineering …, 2011 | 371* | 2011 |

Featured transition systems: Foundations for verifying variability-intensive systems and their application to LTL model checking A Classen, M Cordy, PY Schobbens, P Heymans, A Legay, JF Raskin IEEE Transactions on Software Engineering 39 (8), 1069-1089, 2012 | 315 | 2012 |

What’s in a *Feature*: A Requirements Engineering PerspectiveA Classen, P Heymans, PY Schobbens International Conference on Fundamental Approaches to Software Engineering …, 2008 | 261 | 2008 |

A text-based approach to feature modelling: Syntax and semantics of TVL A Classen, Q Boucher, P Heymans Science of Computer Programming 76 (12), 1130-1143, 2011 | 260 | 2011 |

Introducing TVL, a text-based feature modelling language Q Boucher, A Classen, P Faber, P Heymans Proceedings of the Fourth International Workshop on Variability Modelling of …, 2010 | 112 | 2010 |

ProVeLines: a product line of verifiers for software product lines M Cordy, A Classen, P Heymans, PY Schobbens, A Legay Proceedings of the 17th International Software Product Line Conference co …, 2013 | 104 | 2013 |

Evaluating formal properties of feature diagram languages P Heymans, PY Schobbens, JC Trigaux, Y Bontemps, R Matulevičius, ... IET software 2 (3), 281-302, 2008 | 101 | 2008 |

Formal modelling of feature configuration workflows A Hubaux, A Classen, P Heymans Proceedings of the 13th International Software Product Lines Conference …, 2009 | 97 | 2009 |

Simulation-based abstractions for software product-line model checking M Cordy, A Classen, G Perrouin, PY Schobbens, P Heymans, A Legay 2012 34th International Conference on Software Engineering (ICSE), 672-682, 2012 | 81 | 2012 |

Formal semantics, modular specification, and symbolic verification of product-line behaviour A Classen, M Cordy, P Heymans, A Legay, PY Schobbens Science of Computer Programming 80, 416-439, 2014 | 80 | 2014 |

Relating requirements and feature configurations: A systematic approach TT Tun, Q Boucher, A Classen, A Hubaux, P Heymans Proceedings of the 13th International Software Product Lines Conference …, 2009 | 78 | 2009 |

A formal semantics for multi-level staged configuration A Classen, A Hubaux, P Heymans Proceedings of the Third Workshop on Variability Modelling of Software …, 2009 | 72 | 2009 |

Incremental formalization B Steffen, T Margaria, A Claßen, V Braun Algebraic Methodology and Software Technology: 5th International Conference …, 1996 | 72 | 1996 |

A preliminary review on the application of feature diagrams in practice A Hubaux, A Classen, M Mendonça, P Heymans Proceedings of the Fourth Workshop on Variability Modelling of Software …, 2010 | 64 | 2010 |

Model checking adaptive software with featured transition systems M Cordy, A Classen, P Heymans, A Legay, PY Schobbens Assurances for Self-Adaptive Systems: Principles, Models, and Techniques, 1-29, 2013 | 63 | 2013 |

A formal semantics for feature cardinalities in feature diagrams R Michel, A Classen, A Hubaux, Q Boucher Proceedings of the 5th International Workshop on Variability Modeling of …, 2011 | 56 | 2011 |

Heterogeneous analysis and verification for distributed systems B Steffen, T Margaria, A Classen Software - Concepts and Tools 17 (1), 13-25, 1996 | 51 | 1996 |

A constraint-oriented service creation environment B Steffen, T Margaria, A Cla\en, V Braun, R Nisius, M Reitenspie\ Tools and Algorithms for the Construction and Analysis of Systems: Second …, 1996 | 51 | 1996 |

Modelling with FTS: a collection of illustrative examples A Classen | 48 | 2010 |