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PAC Learning with Bandit Feedback: Sharp Sample Complexity in the Realizable Setting Algorithms with Polynomially-Improved Approximation Factors for the $2 \rightarrow q$ Norm, and Applications A computational phase transition for learning-to-sample from Ising models Covering vertices by sequential stars Fermi-Dirac machines as quantizations of neurons A Comprehensive Evaluation of Vertex Elimination Algorithms for Algorithmic Differentiation A Tight Bound on Localization of Electrical Flows Optimal Dimension-Free Sampling for Regularized Classification Reducing the Randomness in Partition Oracles for Bounded Degree Minor-Free Graphs Beyond the Half-Approximation: Fair and Efficient Online Class Matching Efficient Uniform Sampling of Surjections via their Profiles Tractable Maximization of Budgeted Phylogenetic Diversity on Networks Utilizing Node Scanwidth Fairness in Aggregation: Optimal Top-$k$ and Improved Full Ranking Learning-Augmented Online Scheduling with Parsimonious Preemption Entropy Equivalence Testing Lumberjack: Better Differentially Private Random Forests through Heavy Hitter Detection in Trees The Secretary Problem with a Stochastic Precursor Polynomial-Time Robust Multiclass Linear Classification under Gaussian Marginals Efficient Banzhaf-Based Data Valuation for $k$-Nearest Neighbors Classification Block-Sphere Vector Quantization An Approximation Algorithm for Graph Label Selection Iterative Chow Filtering for Learning with Distribution Shift Complexity of Non-Log-Concave Sampling in Fisher Information Stochastic Matching via Local Sparsification Finite Sample Bounds for Learning with Score Matching What is Learnable in Valiant's Theory of the Learnable? Provable Quantization with Randomized Hadamard Transform Min-Max Optimization Requires Exponentially Many Queries Fast and Compact Graph Cuts for the Boykov-Kolmogorov Algorithm A proximal gradient algorithm for composite log-concave sampling
More declarative tabling in Prolog using multi-prompt del...
Samer Abdallah · 2017-08-24 · via cs.DS updates on arXiv.org

Several Prolog implementations include a facility for tabling, an alternative resolution strategy which uses memoisation to avoid redundant duplication of computations. Until relatively recently, tabling has required either low-level support in the underlying Prolog engine, or extensive program transormation (de Guzman et al., 2008). An alternative approach is to augment Prolog with low level support for continuation capturing control operators, particularly delimited continuations, which have been investigated in the field of functional programming and found to be capable of supporting a wide variety of computational effects within an otherwise declarative language. This technical report describes an implementation of tabling in SWI Prolog based on delimited control operators for Prolog recently introduced by Schrijvers et al. (2013). In comparison with a previous implementation of tabling for SWI Prolog using delimited control (Desouter et al., 2015), this approach, based on the functional memoising parser combinators of Johnson (1995), stays closer to the declarative core of Prolog, requires less code, and is able to deliver solutions from systems of tabled predicates incrementally (as opposed to finding all solutions before delivering any to the rest of the program). A collection of benchmarks shows that a small number of carefully targeted optimisations yields performance within a factor of about 2 of the optimised version of Desouter et al.'s system currently included in SWI Prolog.