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Related papers: Learning Highly Recursive Input Grammars

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Recursive neural networks (RvNN) have been shown useful for learning sentence representations and helped achieve competitive performance on several natural language inference tasks. However, recent RvNN-based models fail to learn simple…

Computation and Language · Computer Science 2021-04-13 Atul Sahay , Ayush Maheshwari , Ritesh Kumar , Ganesh Ramakrishnan , Manjesh Kumar Hanawal , Kavi Arya

Reinforcement learning (RL) for large language model reasoning is frequently hindered by signal loss, a phenomenon where standard uniform sampling with small group sizes fails to uncover informative learning signals for difficult prompts.…

Machine Learning · Computer Science 2025-12-08 Wei Xiong , Chenlu Ye , Baohao Liao , Hanze Dong , Xinxing Xu , Christof Monz , Jiang Bian , Nan Jiang , Tong Zhang

Retrieval-Augmented Generation (RAG) integrates external knowledge to enhance Large Language Models (LLMs), yet systems remain susceptible to two critical flaws: providing correct answers without explicit grounded evidence and producing…

Computation and Language · Computer Science 2026-01-09 Yibo Zhao , Jiapeng Zhu , Zichen Ding , Xiang Li

We present algorithms that learn certain classes of function-free recursive logic programs in polynomial time from equivalence queries. In particular, we show that a single k-ary recursive constant-depth determinate clause is learnable.…

Artificial Intelligence · Computer Science 2014-11-17 W. W. Cohen

This paper proposes a new algorithm for learning accurate tree-based models while ensuring the existence of recourse actions. Algorithmic Recourse (AR) aims to provide a recourse action for altering the undesired prediction result given by…

Machine Learning · Computer Science 2024-06-04 Kentaro Kanamori , Takuya Takagi , Ken Kobayashi , Yuichi Ike

Recurrent neural network grammars (RNNG) are generative models of language which jointly model syntax and surface structure by incrementally generating a syntax tree and sentence in a top-down, left-to-right order. Supervised RNNGs achieve…

Computation and Language · Computer Science 2019-08-06 Yoon Kim , Alexander M. Rush , Lei Yu , Adhiguna Kuncoro , Chris Dyer , Gábor Melis

We use reinforcement learning to learn tree-structured neural networks for computing representations of natural language sentences. In contrast with prior work on tree-structured models in which the trees are either provided as input or…

Computation and Language · Computer Science 2016-11-29 Dani Yogatama , Phil Blunsom , Chris Dyer , Edward Grefenstette , Wang Ling

We propose a neural network-based approach to automatically learn and classify natural language questions into its corresponding template using recursive neural networks. An obvious advantage of using neural networks is the elimination of…

Computation and Language · Computer Science 2020-06-11 Ram G Athreya , Srividya Bansal , Axel-Cyrille Ngonga Ngomo , Ricardo Usbeck

One of the fundamental principles of contemporary linguistics states that language processing requires the ability to extract recursively nested tree structures. However, it remains unclear whether and how this code could be implemented in…

Computation and Language · Computer Science 2021-01-08 Yair Lakretz , Théo Desbordes , Jean-Rémi King , Benoît Crabbé , Maxime Oquab , Stanislas Dehaene

Modern causal language models, followed by rapid developments in discrete diffusion models, can now produce a wide variety of interesting and useful content. However, these families of models are predominantly trained to output tokens with…

Computation and Language · Computer Science 2025-08-19 Long Ma , Fangwei Zhong , Yizhou Wang

Human language understanding operates at multiple levels of granularity (e.g., words, phrases, and sentences) with increasing levels of abstraction that can be hierarchically combined. However, existing deep models with stacked layers do…

Computation and Language · Computer Science 2022-03-04 Xiang Hu , Haitao Mi , Zujie Wen , Yafang Wang , Yi Su , Jing Zheng , Gerard de Melo

The empirical success of deep learning is often attributed to deep networks' ability to exploit hierarchical structure in data, constructing increasingly complex features across layers. Yet despite substantial progress in deep learning…

Machine Learning · Computer Science 2026-01-28 Yunwei Ren , Yatin Dandi , Florent Krzakala , Jason D. Lee

It has previously been shown that by using reinforcement learning (RL), agents can derive simple approximate and exact-restricted numeral systems that are similar to human ones (Carlsson, 2021). However, it is a major challenge to show how…

Computation and Language · Computer Science 2025-05-20 Andrea Silvi , Jonathan Thomas , Emil Carlsson , Devdatt Dubhashi , Moa Johansson

Standard sequential generation methods assume a pre-specified generation order, such as text generation methods which generate words from left to right. In this work, we propose a framework for training models of text generation that…

Computation and Language · Computer Science 2019-10-25 Sean Welleck , Kianté Brantley , Hal Daumé , Kyunghyun Cho

Grammar induction is the task of learning a grammar from a set of examples. Recently, neural networks have been shown to be powerful learning machines that can identify patterns in streams of data. In this work we investigate their…

Computation and Language · Computer Science 2018-06-27 Mor Cohen , Avi Caciularu , Idan Rejwan , Jonathan Berant

Building models that take advantage of the hierarchical structure of language without a priori annotation is a longstanding goal in natural language processing. We introduce such a model for the task of machine translation, pairing a…

Computation and Language · Computer Science 2017-09-07 James Bradbury , Richard Socher

This article proposes a biologically inspired neurocomputational architecture which learns associations between words and referents in different contexts, considering evidence collected from the literature of Psycholinguistics and…

Machine Learning · Computer Science 2019-05-29 Hansenclever F. Bassani , Aluizio F. R. Araujo

Retrieval-augmented generation has gained popularity as a framework to enhance large language models with external knowledge. However, its effectiveness hinges on the retrieval robustness of the model. If the model lacks retrieval…

Computation and Language · Computer Science 2024-06-27 Xiaoyu Shen , Rexhina Blloshmi , Dawei Zhu , Jiahuan Pei , Wei Zhang

We study a formalization of the grammar induction problem that models sentences as being generated by a compound probabilistic context-free grammar. In contrast to traditional formulations which learn a single stochastic grammar, our…

Computation and Language · Computer Science 2020-03-31 Yoon Kim , Chris Dyer , Alexander M. Rush

Humans learn language by interaction with their environment and listening to other humans. It should also be possible for computational models to learn language directly from speech but so far most approaches require text. We improve on…

Computation and Language · Computer Science 2019-09-25 Danny Merkx , Stefan L. Frank , Mirjam Ernestus