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Summary of Athanor: Local Search Over Abstract Constraint Specifications, by Saad Attieh et al.


Athanor: Local Search over Abstract Constraint Specifications

by Saad Attieh, Nguyen Dang, Christopher Jefferson, Ian Miguel, Peter Nightingale

First submitted to arxiv on: 8 Oct 2024

Categories

  • Main: Artificial Intelligence (cs.AI)
  • Secondary: None

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
Local search solvers are used to solve complex optimization problems. Our research focuses on general-purpose solvers that can accept constraint models as input. We propose a new solver called Athanor that takes problem specifications written in the Essence language, which allows for abstract descriptions without low-level modeling decisions. This approach enables automatic generation of high-quality neighborhoods, avoiding manual structure identification. By leveraging these features, our empirical results show strong performance compared to existing methods.
Low GrooveSquid.com (original content) Low Difficulty Summary
The paper discusses a new local search solver called Athanor that solves complex optimization problems. It’s different from other solvers because it starts with a problem description written in the Essence language. This language lets you describe problems without worrying about small details. The solver uses this information to create good neighborhoods, making it easier and faster to find solutions. Overall, Athanor performs well compared to other methods.

Keywords

» Artificial intelligence  » Optimization