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Related papers: GA and ILS for optimizing the size of NFA models

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Many natural language inference (NLI) datasets contain biases that allow models to perform well by only using a biased subset of the input, without considering the remainder features. For instance, models are able to make a classification…

Computation and Language · Computer Science 2021-09-01 Dimion Asael , Zachary Ziegler , Yonatan Belinkov

Large language models (LLMs) have revolutionized natural language processing (NLP) by excelling at understanding and generating human-like text. However, their widespread deployment can be prohibitively expensive. SortedNet is a recent…

Computation and Language · Computer Science 2024-02-12 Parsa Kavehzadeh , Mojtaba Valipour , Marzieh Tahaei , Ali Ghodsi , Boxing Chen , Mehdi Rezagholizadeh

The abductive natural language inference task ($\alpha$NLI) is proposed to infer the most plausible explanation between the cause and the event. In the $\alpha$NLI task, two observations are given, and the most plausible hypothesis is asked…

Computation and Language · Computer Science 2022-12-21 Linhao Li , Ming Xu , Yongfeng Dong , Xin Li , Ao Wang

The purpose of this paper is to use reinforcement learning to model learning agents which can recognize formal languages. Agents are modeled as simple multi-head automaton, a new model of finite automaton that uses multiple heads, and six…

Machine Learning · Computer Science 2020-10-21 Alper Şekerci , Özlem Salehi

Sequence generation and prediction form a cornerstone of modern machine learning, with applications spanning natural language processing, program synthesis, and time-series forecasting. These tasks are typically modeled in an autoregressive…

Machine Learning · Computer Science 2025-11-05 Vincenzo Collura , Karim Tit , Laura Bussi , Eleonora Giunchiglia , Maxime Cordy

Pretrained language models have achieved remarkable success in various natural language processing tasks. However, pretraining has recently shifted toward larger models and larger data, and this has resulted in significant computational and…

Computation and Language · Computer Science 2023-05-23 Xiao Wang , Weikang Zhou , Qi Zhang , Jie Zhou , Songyang Gao , Junzhe Wang , Menghan Zhang , Xiang Gao , Yunwen Chen , Tao Gui

This paper studies the complexity of operations on finite automata and the complexity of their decision problems when the alphabet is unary. Let $n$ denote the maximum of the number of states of the input finite automata considered in the…

Formal Languages and Automata Theory · Computer Science 2024-12-16 Wojciech Czerwiński , Maciej Dębski , Tomasz Gogasz , Gordon Hoi , Sanjay Jain , Michał Skrzypczak , Frank Stephan , Christopher Tan

We consider the problem of extracting a maximum-size reflected network in a linear program. This problem has been studied before and a state-of-the-art SGA heuristic with two variations have been proposed. In this paper we apply a new…

Data Structures and Algorithms · Computer Science 2010-03-30 G. Gutin , D. Karapetyan , I. Razgon

Weighted finite automata (WFA) are often used to represent probabilistic models, such as $n$-gram language models, since they are efficient for recognition tasks in time and space. The probabilistic source to be represented as a WFA,…

Computation and Language · Computer Science 2021-02-01 Ananda Theertha Suresh , Brian Roark , Michael Riley , Vlad Schogol

Generative retrieval reformulates retrieval as an autoregressive generation task, where large language models (LLMs) generate target documents directly from a query. As a novel paradigm, the mechanisms that underpin its performance and…

Information Retrieval · Computer Science 2025-06-10 Hongru Cai , Yongqi Li , Ruifeng Yuan , Wenjie Wang , Zhen Zhang , Wenjie Li , Tat-Seng Chua

In information retrieval research; Genetic Algorithms (GA) can be used to find global solutions in many difficult problems. This study used different similarity measures (Dice, Inner Product) in the VSM, for each similarity measure we…

Information Retrieval · Computer Science 2013-12-03 Eman Al Mashagba , Feras Al Mashagba , Mohammad Othman Nassar

We present a new algorithm for deciding formula entailment in orthologic (a sound approximation of classical logic) that avoids the costly preprocessing phase of prior implementations while retaining the same $\mathcal{O}(n^2(1+|A|))$…

Logic in Computer Science · Computer Science 2026-05-19 Vladislas de Haldat , Simon Guilloud , Viktor Kunčak

We propose a query learning algorithm for residual symbolic finite automata (RSFAs). Symbolic finite automata (SFAs) are finite automata whose transitions are labeled by predicates over a Boolean algebra, in which a big collection of…

Formal Languages and Automata Theory · Computer Science 2019-09-18 Kaizaburo Chubachi , Diptarama Hendrian , Ryo Yoshinaka , Ayumi Shinohara

Given a nondeterministic finite-state automaton (NFA), we aim to estimate the size of an equivalent deterministic finite-state automaton (DFA). We demonstrate that computing the state complexity of an NFA within polynomial precision is…

Formal Languages and Automata Theory · Computer Science 2025-10-20 Ivan Baburin , Ryan Cotterell

Finite automata (FA) are a fundamental computational abstraction that is widely used in practice for various tasks in computer science, linguistics, biology, electrical engineering, and artificial intelligence. Given an input word, an FA…

Artificial Intelligence · Computer Science 2026-04-22 Jaime Cuartas Granada , Alexey Ignatiev , Peter J. Stuckey

We approach the task of computing a carefully synchronizing word of optimum length for a given partial deterministic automaton, encoding the problem as an instance of SAT and invoking a SAT solver. Our experiments demonstrate that this…

Formal Languages and Automata Theory · Computer Science 2020-05-19 Hanan Shabana , Mikhail Volkov

Active automata learning (AAL) under a Minimally Adequate Teacher (MAT) has been successfully used to infer a regular language through membership and equivalence queries. This language might not be fully characterized: we are then…

Formal Languages and Automata Theory · Computer Science 2026-04-09 Daniel Stan , Adrien Pommellet , Juliette Jacquot

We approach the task of computing a carefully synchronizing word of minimum length for a given partial deterministic automaton, encoding the problem as an instance of SAT and invoking a SAT solver. Our experimental results demonstrate that…

Formal Languages and Automata Theory · Computer Science 2019-03-27 Hanan Shabana , Mikhail V. Volkov

The concurrent optimization of language models and instructional prompts presents a significant challenge for deploying efficient and effective AI systems, particularly when balancing performance against computational costs like token…

Neural and Evolutionary Computing · Computer Science 2026-02-26 Cláudio Lúcio do Val Lopes , Lucca Machado

As neural language models approach human performance on NLP benchmark tasks, their advances are widely seen as evidence of an increasingly complex understanding of syntax. This view rests upon a hypothesis that has not yet been empirically…

Computation and Language · Computer Science 2021-09-13 Nikolay Malkin , Sameera Lanka , Pranav Goel , Nebojsa Jojic