Efficient Logspace Classes for Enumeration, Counting, and Uniform Generation

    Luis Alberto Croquevielle
    Luis Alberto Croquevielle
    Rajesh Jayaram
    Rajesh Jayaram

    Proceedings of the 38th ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of Database Systems, pp. 59-73, 2019.

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    Keywords:
    counting enumeration uniform generation.

    Abstract:

    In this work, we study two simple yet general complexity classes, based on logspace Turing machines, which provide a unifying framework for efficient query evaluation in areas like information extraction and graph databases, among others. We investigate the complexity of three fundamental algorithmic problems for these classes: enumeratio...More

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