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Transition-based top-down parsing with pointer networks has achieved state-of-the-art results in multiple parsing tasks, while having a linear time complexity. However, the decoder of these parsers has a sequential structure, which does not…

Computation and Language · Computer Science 2022-10-21 Linlin Liu , Xiang Lin , Shafiq Joty , Simeng Han , Lidong Bing

We introduce a conceptually novel structured prediction model, GPstruct, which is kernelized, non-parametric and Bayesian, by design. We motivate the model with respect to existing approaches, among others, conditional random fields (CRFs),…

Machine Learning · Statistics 2013-07-16 Sebastien Bratieres , Novi Quadrianto , Zoubin Ghahramani

In probabilistic approaches to classification and information extraction, one typically builds a statistical model of words under the assumption that future data will exhibit the same regularities as the training data. In many data sets,…

Machine Learning · Computer Science 2013-01-07 David Blei , J Andrew Bagnell , Andrew McCallum

Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can potentially discover a broad range of themes in a data set,…

Artificial Intelligence · Computer Science 2008-08-08 Chaitanya Chemudugunta , Padhraic Smyth , Mark Steyvers

We study a parametric family of latent variable models, namely topic models, equipped with a hierarchical structure among the topic variables. Such models may be viewed as a finite mixture of the latent Dirichlet allocation (LDA) induced…

Statistics Theory · Mathematics 2024-08-27 Sunrit Chakraborty , Rayleigh Lei , XuanLong Nguyen

The underlying structure of natural language is hierarchical; words combine into phrases, which in turn form clauses. An awareness of this hierarchical structure can aid machine learning models in performing many linguistic tasks. However,…

Machine Learning · Computer Science 2020-04-01 Ashok Thillaisundaram

Model-free forecasting of the temporal evolution of chaotic systems is crucial but challenging. Existing solutions require hyperparameter tuning, significantly hindering their wider adoption. In this work, we introduce a tree-based approach…

Machine Learning · Computer Science 2025-07-04 Adam Giammarese , Kamal Rana , Erik M. Bollt , Nishant Malik

Prompt tuning has achieved great success in transferring the knowledge from large pretrained vision-language models into downstream tasks, and has dominated the performance on visual grounding (VG). However, almost all existing prompt…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Chenchi Zhang , Jun Xiao , Lei Chen , Jian Shao , Long Chen

Machines that can replicate human intelligence with type 2 reasoning capabilities should be able to reason at multiple levels of spatio-temporal abstractions and scales using internal world models. Devising formalisms to develop such…

Artificial Intelligence · Computer Science 2025-07-01 Vaisakh Shaj

Structured prediction is a powerful framework for coping with joint prediction of interacting outputs. A central difficulty in using this framework is that often the correct label dependence structure is unknown. At the same time, we would…

Machine Learning · Computer Science 2013-09-27 Ofer Meshi , Elad Eban , Gal Elidan , Amir Globerson

The advent of deep learning and recurrent neural networks revolutionized the field of time-series processing. Therefore, recent research on spectrum prediction has focused on the use of these tools. However, spectrum prediction, which…

Signal Processing · Electrical Eng. & Systems 2024-12-03 Vincent Corlay , Tatsuya Nakazato , Kanako Yamaguchi , Akinori Nakajima

Recent advancements in pre-trained language models (PLMs) have demonstrated that these models possess some degree of syntactic awareness. To leverage this knowledge, we propose a novel chart-based method for extracting parse trees from…

Computation and Language · Computer Science 2023-06-02 Jiaxi Li , Wei Lu

Tree-structured neural network architectures for sentence encoding draw inspiration from the approach to semantic composition generally seen in formal linguistics, and have shown empirical improvements over comparable sequence models by…

Computation and Language · Computer Science 2019-04-08 WooJin Chung , Sheng-Fu Wang , Samuel R. Bowman

In this paper, we propose a probabilistic parsing model, which defines a proper conditional probability distribution over non-projective dependency trees for a given sentence, using neural representations as inputs. The neural network…

Computation and Language · Computer Science 2017-09-05 Xuezhe Ma , Eduard Hovy

We find upper bounds for the probability of underestimation and overestimation errors in penalized likelihood context tree estimation. The bounds are explicit and applies to processes of not necessarily finite memory. We allow for general…

Statistics Theory · Mathematics 2009-03-11 Florencia Leonardi

We propose a new neurally-inspired model that can learn to encode the global relationship context of visual events across time and space and to use the contextual information to modulate the analysis by synthesis process in a predictive…

Machine Learning · Computer Science 2015-04-17 Mingmin Zhao , Chengxu Zhuang , Yizhou Wang , Tai Sing Lee

We introduce a framework for unsupervised learning of structured predictors with overlapping, global features. Each input's latent representation is predicted conditional on the observable data using a feature-rich conditional random field.…

Machine Learning · Computer Science 2014-11-11 Waleed Ammar , Chris Dyer , Noah A. Smith

When we speak, write or listen, we continuously make predictions based on our knowledge of a language's grammar. Remarkably, children acquire this grammatical knowledge within just a few years, enabling them to understand and generalise to…

Computation and Language · Computer Science 2024-11-26 Jaap Jumelet

The impressive performance of neural networks on natural language processing tasks attributes to their ability to model complicated word and phrase compositions. To explain how the model handles semantic compositions, we study hierarchical…

Computation and Language · Computer Science 2020-06-16 Xisen Jin , Zhongyu Wei , Junyi Du , Xiangyang Xue , Xiang Ren

Humans effortlessly identify objects by leveraging a rich understanding of the surrounding scene, including spatial relationships, material properties, and the co-occurrence of other objects. In contrast, most computational object…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Ciprian Constantinescu , Marius Leordeanu
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