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Related papers: Unsupervised Learning of Morphological Forests

200 papers

While current deep learning models achieve high performance by learning statistical correlations from vast datasets,which stands in stark contrast to human learning. They lack the flexibility of humans-particularly preverbal infants-to…

Machine Learning · Computer Science 2026-04-24 Kyotaro Ushida , Takayuki Komatsu , Yoshiyuki Ohmura , Yasuo Kuniyoshi

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

We propose an unsupervised tree boosting algorithm for inferring the underlying sampling distribution of an i.i.d. sample based on fitting additive tree ensembles in a fashion analogous to supervised tree boosting. Integral to the algorithm…

Methodology · Statistics 2023-07-11 Naoki Awaya , Li Ma

We consider the problem of learning the structure of undirected graphical models with bounded treewidth, within the maximum likelihood framework. This is an NP-hard problem and most approaches consider local search techniques. In this…

Machine Learning · Computer Science 2012-12-12 K. S. Sesh Kumar , Francis Bach

Large language models (LLMs) have shown remarkable in-context learning (ICL) capabilities, yet their potential for sequential decision-making remains underexplored. In this paper, we study the ICL capabilities of LLMs in sequential…

Machine Learning · Computer Science 2026-05-12 Minmin Zhang , Sina Aghaei , Soroush Saghafian

As a cornerstone in language modeling, tokenization involves segmenting text inputs into pre-defined atomic units. Conventional statistical tokenizers often disrupt constituent boundaries within words, thereby corrupting semantic…

Computation and Language · Computer Science 2025-07-11 Qingyang Zhu , Xiang Hu , Pengyu Ji , Wei Wu , Kewei Tu

The \emph{maximum a posteriori} (MAP) assignment for general structure Markov random fields (MRFs) is computationally intractable. In this paper, we exploit tree-based methods to efficiently address this problem. Our novel method, named…

Artificial Intelligence · Computer Science 2014-07-23 Truyen Tran , Dinh Phung , Svetha Venkatesh

The generation of complex derived word forms has been an overlooked problem in NLP; we fill this gap by applying neural sequence-to-sequence models to the task. We overview the theoretical motivation for a paradigmatic treatment of…

Computation and Language · Computer Science 2025-02-18 Ryan Cotterell , Ekaterina Vylomova , Huda Khayrallah , Christo Kirov , David Yarowsky

This paper considers the task of learning users' preferences on a combinatorial set of alternatives, as generally used by online configurators, for example. In many settings, only a set of selected alternatives during past interactions is…

Artificial Intelligence · Computer Science 2022-09-26 Hélène Fargier , Pierre-François Gimenez , Jérôme Mengin , Bao Ngoc Le Nguyen

Sparse representations using overcomplete dictionaries have proved to be a powerful tool in many signal processing applications such as denoising, super-resolution, inpainting, compression or classification. The sparsity of the…

Machine Learning · Statistics 2018-03-01 Jeremy Aghaei Mazaheri , Elif Vural , Claude Labit , Christine Guillemot

Tabular data high-stakes critical decision-making in domains such as finance, healthcare, and scientific discovery. Yet, learning effectively from tabular data in few-shot settings, where labeled examples are scarce, remains a fundamental…

Machine Learning · Computer Science 2026-01-19 Zhihan Yang , Jiaqi Wei , Xiang Zhang , Haoyu Dong , Yiwen Wang , Xiaoke Guo , Pengkun Zhang , Yiwei Xu , Chenyu You

We introduce Language Feedback Models (LFMs) that identify desirable behaviour - actions that help achieve tasks specified in the instruction - for imitation learning in instruction following. To train LFMs, we obtain feedback from Large…

Machine Learning · Computer Science 2024-10-11 Victor Zhong , Dipendra Misra , Xingdi Yuan , Marc-Alexandre Côté

Morphological segmentation has traditionally been modeled with non-hierarchical models, which yield flat segmentations as output. In many cases, however, proper morphological analysis requires hierarchical structure -- especially in the…

Computation and Language · Computer Science 2021-02-16 Ryan Cotterell , Arun Kumar , Hinrich Schütze

Towards a future where machine learning systems will integrate into every aspect of people's lives, researching methods to interpret such systems is necessary, instead of focusing exclusively on enhancing their performance. Enriching the…

Machine Learning · Computer Science 2021-12-21 Ioannis Mollas , Nick Bassiliades , Ioannis Vlahavas , Grigorios Tsoumakas

Several classification methods assume that the underlying distributions follow tree-structured graphical models. Indeed, trees capture statistical dependencies between pairs of variables, which may be crucial to attain low classification…

Machine Learning · Statistics 2021-05-31 Yaniv Tenzer , Amit Moscovich , Mary Frances Dorn , Boaz Nadler , Clifford Spiegelman

In this paper, we propose an instance similarity learning (ISL) method for unsupervised feature representation. Conventional methods assign close instance pairs in the feature space with high similarity, which usually leads to wrong…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Ziwei Wang , Yunsong Wang , Ziyi Wu , Jiwen Lu , Jie Zhou

Data-driven subword segmentation has become the default strategy for open-vocabulary machine translation and other NLP tasks, but may not be sufficiently generic for optimal learning of non-concatenative morphology. We design a test suite…

Computation and Language · Computer Science 2021-09-03 Chantal Amrhein , Rico Sennrich

We consider the problem of the extraction of semantic attributes, supervised only with classification labels. For example, when learning to classify images of birds into species, we would like to observe the emergence of features that…

Machine Learning · Computer Science 2021-06-14 Ameen Ali , Tomer Galanti , Evgeniy Zheltonozhskiy , Chaim Baskin , Lior Wolf

Masked language modeling (MLM) plays a key role in pretraining large language models. But the MLM objective is often dominated by high-frequency words that are sub-optimal for learning factual knowledge. In this work, we propose an approach…

Computation and Language · Computer Science 2023-04-05 Nafis Sadeq , Byungkyu Kang , Prarit Lamba , Julian McAuley

Morpho-syntactic lexicons provide information about the morphological and syntactic roles of words in a language. Such lexicons are not available for all languages and even when available, their coverage can be limited. We present a…

Computation and Language · Computer Science 2016-01-26 Manaal Faruqui , Ryan McDonald , Radu Soricut