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We provide a study of how induced model sparsity can help achieve compositional generalization and better sample efficiency in grounded language learning problems. We consider simple language-conditioned navigation problems in a grid world…

Computation and Language · Computer Science 2022-07-07 Sam Spilsbury , Alexander Ilin

Nearly all general-purpose neural semantic parsers generate logical forms in a strictly top-down autoregressive fashion. Though such systems have achieved impressive results across a variety of datasets and domains, recent works have called…

Computation and Language · Computer Science 2023-05-09 Maxwell Crouse , Pavan Kapanipathi , Subhajit Chaudhury , Tahira Naseem , Ramon Astudillo , Achille Fokoue , Tim Klinger

Generic unstructured neural networks have been shown to struggle on out-of-distribution compositional generalization. Compositional data augmentation via example recombination has transferred some prior knowledge about compositionality to…

Computation and Language · Computer Science 2022-05-06 Linlu Qiu , Peter Shaw , Panupong Pasupat , Paweł Krzysztof Nowak , Tal Linzen , Fei Sha , Kristina Toutanova

Generalization of models to out-of-distribution (OOD) data has captured tremendous attention recently. Specifically, compositional generalization, i.e., whether a model generalizes to new structures built of components observed during…

Computation and Language · Computer Science 2020-10-13 Inbar Oren , Jonathan Herzig , Nitish Gupta , Matt Gardner , Jonathan Berant

The words-as-classifiers model of grounded lexical semantics learns a semantic fitness score between physical entities and the words that are used to denote those entities. In this paper, we explore how such a model can incrementally…

Computation and Language · Computer Science 2019-11-11 Daniele Moro , Stacy Black , Casey Kennington

Unsupervised parsing, also known as grammar induction, aims to infer syntactic structure from raw text. Recently, binary representation has exhibited remarkable information-preserving capabilities at both lexicon and syntax levels. In this…

Computation and Language · Computer Science 2024-10-08 Yiran Wang , Masao Utiyama

Recent research has shown that generative models with highly disentangled representations fail to generalise to unseen combination of generative factor values. These findings contradict earlier research which showed improved performance in…

Machine Learning · Computer Science 2024-06-17 Milton L. Montero , Jeffrey S. Bowers , Rui Ponte Costa , Casimir J. H. Ludwig , Gaurav Malhotra

Latent tree learning(LTL) methods learn to parse sentences using only indirect supervision from a downstream task. Recent advances in latent tree learning have made it possible to recover moderately high quality tree structures by training…

Computation and Language · Computer Science 2019-09-24 Phu Mon Htut , Kyunghyun Cho , Samuel R. Bowman

Image captioning models are usually evaluated on their ability to describe a held-out set of images, not on their ability to generalize to unseen concepts. We study the problem of compositional generalization, which measures how well a…

Machine Learning · Computer Science 2019-11-12 Mitja Nikolaus , Mostafa Abdou , Matthew Lamm , Rahul Aralikatte , Desmond Elliott

We propose and study a method for learning interpretable representations for the task of regression. Features are represented as networks of multi-type expression trees comprised of activation functions common in neural networks in addition…

Neural and Evolutionary Computing · Computer Science 2019-03-26 William La Cava , Tilak Raj Singh , James Taggart , Srinivas Suri , Jason H. Moore

Answering complex questions that require making latent decisions is a challenging task, especially when limited supervision is available. Recent works leverage the capabilities of large language models (LMs) to perform complex question…

Computation and Language · Computer Science 2022-12-09 Dheeru Dua , Shivanshu Gupta , Sameer Singh , Matt Gardner

Compositional, structured models are appealing because they explicitly decompose problems and provide interpretable intermediate outputs that give confidence that the model is not simply latching onto data artifacts. Learning these models…

Computation and Language · Computer Science 2021-04-06 Nitish Gupta , Sameer Singh , Matt Gardner , Dan Roth

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

Compositional generalization is a troubling blind spot for neural language models. Recent efforts have presented techniques for improving a model's ability to encode novel combinations of known inputs, but less work has focused on…

Computation and Language · Computer Science 2022-02-21 Matthew Setzler , Scott Howland , Lauren Phillips

Compositional generalization is a basic and essential intellective capability of human beings, which allows us to recombine known parts readily. However, existing neural network based models have been proven to be extremely deficient in…

Artificial Intelligence · Computer Science 2020-10-27 Qian Liu , Shengnan An , Jian-Guang Lou , Bei Chen , Zeqi Lin , Yan Gao , Bin Zhou , Nanning Zheng , Dongmei Zhang

Abstract Machine understanding of questions is tightly related to recognition of articulation in the context of the computational capabilities of an underlying processing algorithm. In this paper a mathematical model to capture and…

Artificial Intelligence · Computer Science 2019-02-06 Kumar Mrityunjay , Guntur Ravindra

Answering complex questions is a time-consuming activity for humans that requires reasoning and integration of information. Recent work on reading comprehension made headway in answering simple questions, but tackling complex questions is…

Computation and Language · Computer Science 2018-03-20 Alon Talmor , Jonathan Berant

According to the principle of compositional generalization, the meaning of a complex expression can be understood as a function of the meaning of its parts and of how they are combined. This principle is crucial for human language…

Computation and Language · Computer Science 2024-03-19 Sungjun Han , Sebastian Padó

We propose a large language model explainability technique for obtaining faithful natural language explanations by grounding the explanations in a reasoning process. When converted to a sequence of tokens, the outputs of the reasoning…

Machine Learning · Computer Science 2026-03-17 Vojtech Cahlik , Rodrigo Alves , Pavel Kordik

In disentangled representation learning, a model is asked to tease apart a dataset's underlying sources of variation and represent them independently of one another. Since the model is provided with no ground truth information about these…

Machine Learning · Computer Science 2023-10-24 Kyle Hsu , Will Dorrell , James C. R. Whittington , Jiajun Wu , Chelsea Finn