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In this paper, we are going to find meaning of words based on distinct situations. Word Sense Disambiguation is used to find meaning of words based on live contexts using supervised and unsupervised approaches. Unsupervised approaches use…

Computation and Language · Computer Science 2016-11-04 Alok Ranjan Pal , Anirban Kundu , Abhay Singh , Raj Shekhar , Kunal Sinha

Unsupervised meta-learning aims to learn feature representations from unsupervised datasets that can transfer to downstream tasks with limited labeled data. In this paper, we propose a novel approach to unsupervised meta-learning that…

Machine Learning · Computer Science 2025-02-11 Anna Vettoruzzo , Lorenzo Braccaioli , Joaquin Vanschoren , Marlena Nowaczyk

Cross-lingual representation learning transfers knowledge from resource-rich data to resource-scarce ones to improve the semantic understanding abilities of different languages. However, previous works rely on shallow unsupervised data…

Computation and Language · Computer Science 2024-06-25 Dongyang Li , Taolin Zhang , Jiali Deng , Longtao Huang , Chengyu Wang , Xiaofeng He , Hui Xue

Unsupervised learning has been an attractive method for easily deriving meaningful data representations from vast amounts of unlabeled data. These representations, or embeddings, often yield superior results in many tasks, whether used…

Computation and Language · Computer Science 2018-11-02 Shao-Yen Tseng , Brian Baucom , Panayiotis Georgiou

We propose a new unsupervised method for lexical substitution using pre-trained language models. Compared to previous approaches that use the generative capability of language models to predict substitutes, our method retrieves substitutes…

Computation and Language · Computer Science 2022-09-20 Takashi Wada , Timothy Baldwin , Yuji Matsumoto , Jey Han Lau

Understanding the meaning of words is crucial for many tasks that involve human-machine interaction. This has been tackled by research in Word Sense Disambiguation (WSD) in the Natural Language Processing (NLP) field. Recently, WSD and many…

Computation and Language · Computer Science 2020-02-26 María G. Buey , Carlos Bobed , Jorge Gracia , Eduardo Mena

Multimodal Language Analysis is a demanding area of research, since it is associated with two requirements: combining different modalities and capturing temporal information. During the last years, several works have been proposed in the…

Computation and Language · Computer Science 2022-01-10 Panagiotis Koromilas , Theodoros Giannakopoulos

Sampling multiple responses improves language model reasoning, but uniform compute allocation is inefficient: easy questions are over-sampled while hard questions remain under-explored. We propose Uncertainty-Aware Budget Allocation (UAB),…

Computation and Language · Computer Science 2026-05-27 Manh Nguyen , Sunil Gupta , Hung Le

Sentence embeddings are an important component of many natural language processing (NLP) systems. Like word embeddings, sentence embeddings are typically learned on large text corpora and then transferred to various downstream tasks, such…

Computation and Language · Computer Science 2021-05-28 John Giorgi , Osvald Nitski , Bo Wang , Gary Bader

Neural word representations have proven useful in Natural Language Processing (NLP) tasks due to their ability to efficiently model complex semantic and syntactic word relationships. However, most techniques model only one representation…

Computation and Language · Computer Science 2015-11-23 Andrew Trask , Phil Michalak , John Liu

In settings where only unlabelled speech data is available, speech technology needs to be developed without transcriptions, pronunciation dictionaries, or language modelling text. A similar problem is faced when modelling infant language…

Computation and Language · Computer Science 2016-03-10 Herman Kamper , Aren Jansen , Sharon Goldwater

We introduce an unsupervised domain adaption (UDA) strategy that combines multiple image translations, ensemble learning and self-supervised learning in one coherent approach. We focus on one of the standard tasks of UDA in which a semantic…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Fabrizio J. Piva , Gijs Dubbelman

Speech signals are inherently complex as they encompass both global acoustic characteristics and local semantic information. However, in the task of target speech extraction, certain elements of global and local semantic information in the…

Sound · Computer Science 2024-08-27 Zhaoxi Mu , Xinyu Yang , Sining Sun , Qing Yang

Abbreviation disambiguation is important for automated clinical note processing due to the frequent use of abbreviations in clinical settings. Current models for automated abbreviation disambiguation are restricted by the scarcity and…

Machine Learning · Computer Science 2019-12-16 Marta Skreta , Aryan Arbabi , Jixuan Wang , Michael Brudno

Despite the fast developmental pace of new sentence embedding methods, it is still challenging to find comprehensive evaluations of these different techniques. In the past years, we saw significant improvements in the field of sentence…

Computation and Language · Computer Science 2018-06-19 Christian S. Perone , Roberto Silveira , Thomas S. Paula

Unsupervised extractive document summarization aims to select important sentences from a document without using labeled summaries during training. Existing methods are mostly graph-based with sentences as nodes and edge weights measured by…

Computation and Language · Computer Science 2021-12-14 Shusheng Xu , Xingxing Zhang , Yi Wu , Furu Wei , Ming Zhou

Ambiguity is ubiquitous in natural language. Resolving ambiguous meanings is especially important in information retrieval tasks. While word embeddings carry semantic information, they fail to handle ambiguity well. Transformer models have…

Computation and Language · Computer Science 2023-07-26 Matthias Thurnbauer , Johannes Reisinger , Christoph Goller , Andreas Fischer

Deep learning frameworks allowed for a remarkable advancement in semantic segmentation, but the data hungry nature of convolutional networks has rapidly raised the demand for adaptation techniques able to transfer learned knowledge from…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Marco Toldo , Umberto Michieli , Pietro Zanuttigh

The generalization ability of deep learning has been extensively studied in supervised settings, yet it remains less explored in unsupervised scenarios. Recently, the Unsupervised Domain Generalization (UDG) task has been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Tan Pan , Kaiyu Guo , Dongli Xu , Zhaorui Tan , Chen Jiang , Deshu Chen , Xin Guo , Brian C. Lovell , Limei Han , Yuan Cheng , Mahsa Baktashmotlagh

Unsupervised Anomaly Detection (UAD) with incremental training is crucial in industrial manufacturing, as unpredictable defects make obtaining sufficient labeled data infeasible. However, continual learning methods primarily rely on…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Jiaqi Liu , Kai Wu , Qiang Nie , Ying Chen , Bin-Bin Gao , Yong Liu , Jinbao Wang , Chengjie Wang , Feng Zheng