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Abschlussarbeit / Thesis (EN) AI | Logic: Ruleset Optimization of a Constraint-based Product Configurator

Your Topic

The constraint-based product configurator CAS Merlin is at its core an optimizing SAT (Boolean Satisfiability) solver. The rules of a product are represented as a set of propositional clauses. During the configuration process we need to find a satisfying assignment to these clauses under various assumptions. This is an NP-complete task, which must be accomplished at every single configuration click. One way to improve the performance of this calculation is to preprocess the clause set in certain ways. There already exist many algorithms developed for improving clause sets for classical SAT solving, however, they are not all applicable for our product configurator. The topic of the thesis is to identify which clause set optimization methods are applicable (and invent novel methods) and then efficiently implement and evaluate them in our product configurator Merlin.

 

Your Tasks

  • Do a literature research to assemble a list of algorithms for (propositional logic) clause set optimization, also known as knowledge compilation.
  • Evaluate these methods and identify those that are applicable in a constraint based product configurator like Merlin.
  • Possibly invent and develop your own novel methods.
  • Implement and experimentally evaluate the applicable methods in Merlin using real-world customer data.
  • Summarize the results in your thesis and/or scientific publication(s).

Your Skills

  • You can find, read and understand scientific papers relevant for a given topic.
  • Creativity in approaching hard problems.
  • Can write performant Java code (fast running programs).
  • Not being scared off by hard (NP-Hard) problems.
  • Communicating your ideas clearly and precisely in English.
  • Working together with others in German is also easy for you.

Benefits of your thesis at CAS

  • An ideal environment for you and your thesis: With us you can spend 100% of your worktime on your thesis where you combine state-of-the-art research with real industry use-cases.
  • Professional supervision of your thesis in the CAS Future Labs in Karlsruhe: Every year we accompany many students to their successful graduation - you too can benefit from our experience.
  • Get to know the CAS culture (offline and online): by working with business coaches and taking part in many other interactive formats. You will experience our unique WeSpirit and make connections across multiple units.
Jetzt bewerben

Deine Kontaktperson

Sina Geissler
Referentin People & WeCulture

  + 49 721 9638-550

Please send us the following documents in complete form

 

  • Your motivation: Why this subject? Why with us?
  • Time period and type of thesis (master / bachelor)
  • Resume
  • Current transcript of grades
  • Certificate of enrolment
  • Further evidence of your qualifications (e.g. working references)

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