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This paper describes a context free grammar (CFG) based grammatical relations for Myanmar sentences which combine corpus-based function tagging system. Part of the challenge of statistical function tagging for Myanmar sentences comes from…

Computation and Language · Computer Science 2012-03-09 Win Win Thant , Tin Myat Htwe , Ni Lar Thein

Large language models (LLMs) have shown the ability to produce fluent and cogent content, presenting both productivity opportunities and societal risks. To build trustworthy AI systems, it is imperative to distinguish between…

Computation and Language · Computer Science 2024-12-17 Guangsheng Bao , Yanbin Zhao , Zhiyang Teng , Linyi Yang , Yue Zhang

Context-free S grammars are introduced, for arbitrary (storage) type S, as a uniform framework for recursion-based grammars, automata, and transducers, viewed as programs. To each occurrence of a nonterminal of a context-free S grammar an…

Formal Languages and Automata Theory · Computer Science 2014-08-05 Joost Engelfriet

Recent work on applying large language models (LMs) achieves impressive performance in many NLP applications. Adapting or posttraining an LM using an unlabeled domain corpus can produce even better performance for end-tasks in the domain.…

Computation and Language · Computer Science 2022-10-12 Zixuan Ke , Haowei Lin , Yijia Shao , Hu Xu , Lei Shu , Bing Liu

Although pre-trained language models~(PLMs) have shown impressive performance by text-only self-supervised training, they are found lack of visual semantics or commonsense. Existing solutions often rely on explicit images for visual…

Computation and Language · Computer Science 2023-05-29 Hangyu Guo , Kun Zhou , Wayne Xin Zhao , Qinyu Zhang , Ji-Rong Wen

Low-resource languages pose a challenge for machine translation with large language models (LLMs), which require large amounts of training data. One potential way to circumvent this data dependence is to rely on LLMs' ability to use…

Computation and Language · Computer Science 2026-04-09 Jackson Petty , Jaulie Goe , Tal Linzen

In 1975, Valiant showed that Boolean matrix multiplication can be used for parsing context-free grammars (CFGs), yielding the asympotically fastest (although not practical) CFG parsing algorithm known. We prove a dual result: any CFG parser…

Computation and Language · Computer Science 2007-05-23 Lillian Lee

Proof assistants are software-based tools that are used in the mechanization of proof construction and validation in mathematics and computer science, and also in certified program development. Different tools are being increasingly used in…

Formal Languages and Automata Theory · Computer Science 2015-05-04 Marcus Vinícius Midena Ramos , Ruy J. G. B. de Queiroz

In-context machine translation (MT) with large language models (LLMs) is a promising approach for low-resource MT, as it can readily take advantage of linguistic resources such as grammar books and dictionaries. Such resources are usually…

Computation and Language · Computer Science 2025-05-30 Renhao Pei , Yihong Liu , Peiqin Lin , François Yvon , Hinrich Schütze

In this paper, we present a novel approach to natural language understanding that utilizes context-free grammars (CFGs) in conjunction with sequence-to-sequence (seq2seq) deep learning. Specifically, we take a CFG authored to generate…

Computation and Language · Computer Science 2016-07-26 Adam James Summerville , James Ryan , Michael Mateas , Noah Wardrip-Fruin

Context-free languages are widely used to describe the syntax of programming languages and natural languages. Usually, we describe a context-free language mathematically with the help of context-free grammar (for generation) or pushdown…

Formal Languages and Automata Theory · Computer Science 2020-10-13 Krasimir Yordzhev

Although adequate models of human language for syntactic analysis and semantic interpretation are of at least context-free complexity, for applications such as speech processing in which speed is important finite-state models are often…

cmp-lg · Computer Science 2007-05-23 Edmund Grimley-Evans

Motivated by recent connections to factorised databases, we analyse the efficiency of representations by context free grammars (CFGs). Concretely, we prove a recent conjecture by Kimelfeld, Martens, and Niewerth (ICDT 2025), that for finite…

Databases · Computer Science 2025-04-01 Stefan Mengel , Harry Vinall-Smeeth

To model behavioral and neural correlates of language comprehension in naturalistic environments researchers have turned to broad-coverage tools from natural-language processing and machine learning. Where syntactic structure is explicitly…

Computation and Language · Computer Science 2023-04-18 Miloš Stanojević , Jonathan R. Brennan , Donald Dunagan , Mark Steedman , John T. Hale

We propose a new type of representation learning method that models words, phrases and sentences seamlessly. Our method does not depend on word segmentation and any human-annotated resources (e.g., word dictionaries), yet it is very…

Computation and Language · Computer Science 2019-05-30 Geewook Kim , Kazuki Fukui , Hidetoshi Shimodaira

We propose a new domain adaptation method for Combinatory Categorial Grammar (CCG) parsing, based on the idea of automatic generation of CCG corpora exploiting cheaper resources of dependency trees. Our solution is conceptually simple, and…

Computation and Language · Computer Science 2019-06-06 Masashi Yoshikawa , Hiroshi Noji , Koji Mineshima , Daisuke Bekki

In this paper, we show that the combination of Phrase Pair Injection and Corpus Filtering boosts the performance of Neural Machine Translation (NMT) systems. We extract parallel phrases and sentences from the pseudo-parallel corpus and…

Computation and Language · Computer Science 2023-01-20 Akshay Batheja , Pushpak Bhattacharyya

Language Models are the underpin of all modern Natural Language Processing (NLP) tasks. The introduction of the Transformers architecture has contributed significantly into making Language Modeling very effective across many NLP task,…

Computation and Language · Computer Science 2021-11-05 Nikolaos Stylianou , Ioannis Vlahavas

Grammatical inference is a machine learning area, whose fundamentals are built around learning sets. At present, real-life data and examples from manually crafted grammars are used to test their learning performance. This paper aims to…

Formal Languages and Automata Theory · Computer Science 2019-11-15 Olgierd Unold , Agnieszka Kaczmarek , Łukasz Culer

In this work we investigate the impact of applying textual data augmentation tasks to low resource machine translation. There has been recent interest in investigating approaches for training systems for languages with limited resources and…

Computation and Language · Computer Science 2023-06-14 Catherine Gitau , VUkosi Marivate