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Algorithm Selection Library


The problem of algorithm selection is attracting increasing attention from researchers and practitioners from a variety of different backgrounds. After years of fruitful applications in a number of domains, a lot of data has been generated, but the community lacks a standard format or repository for this data. This situation makes it difficult to effectively share and compare different approaches, in contrast with other, more established fields. It also unnecessarily hinders new researchers seeking to begin work in this area.

We present a standardized format for representing algorithm selection scenarios and an algorithm selection library, ASlib, that contains a growing number of data sets from the literature. Our format has been designed to be able to express a wide variety of different scenarios.

The ASlib consists of algorithm selection scenarios from a many different domains, such as SAT, CSP, ASP and more. For the formal definition of the format, please see


Bernd Bischl -- Ludwig-Maximilians-University Munich, Germany

Lars Kotthoff -- University of Wyoming, USA

Marius Lindauer -- University of Freiburg, Germany


  • Roberto Amadini - University of Bologna
  • David Bergdoll -- University of Freiburg
  • Bernd Bischl - Ludwig-Maximilians-University Munich
  • Barry Hurley - Insight Centre for Data Analytics, Cork, Ireland
  • Pascal Kerschke - University of Münster
  • Lars Kotthoff - University of British Columbia
  • Marius Lindauer - University of Freiburg
  • Yuri Malitsky - IBM Thomas J. Watson Research Center
  • Brandon Malone - NEC Heidelberg
  • Alexandre Frechette - University of British Columbia
  • Holger Hoos - University of British Columbia
  • Frank Hutter - University of Freiburg
  • Kevin Leyton-Brown - University of British Columbia
  • Jacopo Mauro - University of Bologna
  • Kevin Tierney - University of Paderborn
  • Jan N. van Rijn - University of Freiburg
  • Joaquin Vanschoren - Eindhoven University of Technology



If you use ASlib in your research, please cite it:

Bischl, Bernd, Pascal Kerschke, Lars Kotthoff, Marius Lindauer, Yuri Malitsky, Alexandre Fréchette, Holger H. Hoos, et al. "ASlib: A Benchmark Library for Algorithm Selection." Artificial Intelligence Journal (AIJ), no. 237 (2016): 41–58.

Here's a bibtex entry for your convenience:

	title = {{ASlib}: {A} {Benchmark} {Library} for {Algorithm} {Selection}},
	number = {237},
	journal = {Artificial Intelligence Journal (AIJ)},
	author = {Bischl, Bernd and Kerschke, Pascal and Kotthoff, Lars and Lindauer, Marius and Malitsky, Yuri and Fréchette, Alexandre and Hoos, Holger H. and Hutter, Frank and Leyton-Brown, Kevin and Tierney, Kevin and Vanschoren, Joaquin},
	year = {2016},
	pages = {41--58}

We also have a DOI.


Algorithm Selection scenario data



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