Algorithmically generating new algebraic features of polynomial systems for machine learning

Algorithmically generating new algebraic features of polynomial systems for machine learning. Florescu, D. & England, M. arXiv:1906.01455 [cs], June, 2019. arXiv: 1906.01455

Paper abstract bibtex

There are a variety of choices to be made in both computer algebra systems (CASs) and satisfiability modulo theory (SMT) solvers which can impact performance without affecting mathematical correctness. Such choices are candidates for machine learning (ML) approaches, however, there are difficulties in applying standard ML techniques, such as the efficient identification of ML features from input data which is typically a polynomial system. Our focus is selecting the variable ordering for cylindrical algebraic decomposition (CAD), an important algorithm implemented in several CASs, and now also SMT-solvers. We created a framework to describe all the previously identified ML features for the problem and then enumerated all options in this framework to automatically generation many more features. We validate the usefulness of these with an experiment which shows that an ML choice for CAD variable ordering is superior to those made by human created heuristics, and further improved with these additional features. We expect that this technique of feature generation could be useful for other choices related to CAD, or even choices for other algorithms with polynomial systems for input.

@article{florescu_algorithmically_2019,
	title = {Algorithmically generating new algebraic features of polynomial systems for machine learning},
	url = {http://arxiv.org/abs/1906.01455},
	abstract = {There are a variety of choices to be made in both computer algebra systems (CASs) and satisfiability modulo theory (SMT) solvers which can impact performance without affecting mathematical correctness. Such choices are candidates for machine learning (ML) approaches, however, there are difficulties in applying standard ML techniques, such as the efficient identification of ML features from input data which is typically a polynomial system. Our focus is selecting the variable ordering for cylindrical algebraic decomposition (CAD), an important algorithm implemented in several CASs, and now also SMT-solvers. We created a framework to describe all the previously identified ML features for the problem and then enumerated all options in this framework to automatically generation many more features. We validate the usefulness of these with an experiment which shows that an ML choice for CAD variable ordering is superior to those made by human created heuristics, and further improved with these additional features. We expect that this technique of feature generation could be useful for other choices related to CAD, or even choices for other algorithms with polynomial systems for input.},
	urldate = {2019-06-10},
	journal = {arXiv:1906.01455 [cs]},
	author = {Florescu, Dorian and England, Matthew},
	month = jun,
	year = {2019},
	note = {arXiv: 1906.01455},
	keywords = {computer algebra system, mentions sympy, symbolic computation},
}

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