Complexity and approximation: Combinatorial optimization problems and their approximability properties G Ausiello, P Crescenzi, G Gambosi, V Kann, A Marchetti-Spaccamela, ... Springer Science & Business Media, 2012 | 2579 | 2012 |

On the approximability of minimizing nonzero variables or unsatisfied relations in linear systems E Amaldi, V Kann Theoretical Computer Science 209 (1-2), 237-260, 1998 | 971 | 1998 |

A compendium of NP optimization problems P Crescenzi, V Kann, M Halldórsson | 528 | 1995 |

On the approximability of NP-complete optimization problems V Kann Royal Institute of Technology, 1992 | 418 | 1992 |

Some APX-completeness results for cubic graphs P Alimonti, V Kann Theoretical Computer Science 237 (1-2), 123-134, 2000 | 395 | 2000 |

Maximum bounded 3-dimensional matching is MAX SNP-complete V Kann Information Processing Letters 37 (1), 27-35, 1991 | 358 | 1991 |

The complexity and approximability of finding maximum feasible subsystems of linear relations E Amaldi, V Kann Theoretical computer science 147 (1-2), 181-210, 1995 | 282 | 1995 |

Hardness of approximating problems on cubic graphs P Alimonti, V Kann Italian conference on algorithms and complexity, 288-298, 1997 | 190 | 1997 |

Implementing an efficient part‐of‐speech tagger J Carlberger, V Kann Software: Practice and Experience 29 (9), 815-832, 1999 | 134 | 1999 |

On the Hardness of Approximating Max k-Cut and Its Dual. V Kann, S Khanna, J Lagergren, A Panconesi ISTCS, 61-67, 1996 | 126 | 1996 |

Polynomially bounded minimization problems which are hard to approximate V Kann International Colloquium on Automata, Languages, and Programming, 52-63, 1993 | 114 | 1993 |

On the approximability of the maximum common subgraph problem V Kann STACS 92: 9th Annual Symposium on Theoretical Aspects of Computer Science …, 1992 | 109 | 1992 |

Structure in approximation classes P Crescenzi, V Kann, R Silvestri, L Trevisan SIAM Journal on Computing 28 (5), 1759-1782, 1999 | 95 | 1999 |

Modelling competencies for computing education beyond 2020: a research based approach to defining competencies in the computing disciplines S Frezza, M Daniels, A Pears, Å Cajander, V Kann, A Kapoor, ... Proceedings Companion of the 23rd Annual ACM Conference on Innovation and …, 2018 | 88 | 2018 |

Granska–an efficient hybrid system for Swedish grammar checking R Domeij, O Knutsson, J Carlberger, V Kann Proceedings of the 12th Nordic Conference of Computational Linguistics …, 2000 | 80 | 2000 |

Five years with kattis—using an automated assessment system in teaching E Enström, G Kreitz, F Niemelä, P Söderman, V Kann 2011 Frontiers in education conference (FIE), T3J-1-T3J-6, 2011 | 76 | 2011 |

A compendium of NP optimization problems P Crescenzi, V Kann, M Halldórsson, M Karpinski, G Woeginger URL: http://www. nada. kth. se/~ viggo/problemlist/compendium. html, 1997 | 74 | 1997 |

Free construction of a free Swedish dictionary of synonyms V Kann, M Rosell Proceedings of the 15th Nordic Conference of Computational Linguistics …, 2006 | 70 | 2006 |

Structure in approximation classes P Crescenzi, V Kann, R Silvestri, L Trevisan International Computing and Combinatorics Conference, 539-548, 1995 | 67 | 1995 |

Maximum bounded H-matching is MAX SNP-complete V Kann Information Processing Letters 49 (6), 309-318, 1994 | 65 | 1994 |