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The same multi-word expressions may have different meanings in different sentences. They can be mainly divided into two categories, which are literal meaning and idiomatic meaning. Non-contextual-based methods perform poorly on this…

Computation and Language · Computer Science 2022-04-14 Zheng Chu , Ziqing Yang , Yiming Cui , Zhigang Chen , Ming Liu

Most prior work on definition modeling has not accounted for polysemy, or has done so by considering definition modeling for a target word in a given context. In contrast, in this study, we propose a context-agnostic approach to definition…

Computation and Language · Computer Science 2020-06-16 Arman Kabiri , Paul Cook

Much like sentences are composed of words, words themselves are composed of smaller units. For example, the English word questionably can be analyzed as question+able+ly. However, this structural decomposition of the word does not directly…

Computation and Language · Computer Science 2018-11-13 Ryan Cotterell , Hinrich Schütze

Word embeddings are now a standard technique for inducing meaning representations for words. For getting good representations, it is important to take into account different senses of a word. In this paper, we propose a mixture model for…

Computation and Language · Computer Science 2017-08-14 Dai Quoc Nguyen , Dat Quoc Nguyen , Ashutosh Modi , Stefan Thater , Manfred Pinkal

Word embeddings predict a word from its neighbours by learning small, dense embedding vectors. In practice, this prediction corresponds to a semantic score given to the predicted word (or term weight). We present a novel model that, given a…

Information Retrieval · Computer Science 2019-06-04 Casper Hansen , Christian Hansen , Stephen Alstrup , Jakob Grue Simonsen , Christina Lioma

We describe a general framework for probabilistic modeling of complex scenes and inference from ambiguous observations. The approach is motivated by applications in image analysis and is based on the use of priors defined by stochastic…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Jeroen Chua , Pedro F. Felzenszwalb

We propose a permutation-based explanation method for image classifiers. Current image-model explanations like activation maps are limited to instance-based explanations in the pixel space, making it difficult to understand global model…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Sarah Jabbour , Gregory Kondas , Ella Kazerooni , Michael Sjoding , David Fouhey , Jenna Wiens

Distributed linguistic representations are powerful tools for modelling the uncertainty and complexity of preference information in linguistic decision making. To provide a comprehensive perspective on the development of distributed…

Artificial Intelligence · Computer Science 2020-08-10 Yuzhu Wu , Zhen Zhang , Gang Kou , Hengjie Zhang , Xiangrui Chao , Cong-Cong Li , Yucheng Dong , Francisco Herrera

In many supervised learning tasks, the entities to be labeled are related to each other in complex ways and their labels are not independent. For example, in hypertext classification, the labels of linked pages are highly correlated. A…

Machine Learning · Computer Science 2013-01-07 Ben Taskar , Pieter Abbeel , Daphne Koller

When reading a text, it is common to become stuck on unfamiliar words and phrases, such as polysemous words with novel senses, rarely used idioms, internet slang, or emerging entities. If we humans cannot figure out the meaning of those…

Computation and Language · Computer Science 2019-04-11 Shonosuke Ishiwatari , Hiroaki Hayashi , Naoki Yoshinaga , Graham Neubig , Shoetsu Sato , Masashi Toyoda , Masaru Kitsuregawa

Abstraction is a powerful idea widely used in science, to model, reason and explain the behavior of systems in a more tractable search space, by omitting irrelevant details. While notions of abstraction have matured for deterministic…

Artificial Intelligence · Computer Science 2020-01-14 Vaishak Belle

Word Sense Disambiguation (WSD) aims to automatically identify the exact meaning of one word according to its context. Existing supervised models struggle to make correct predictions on rare word senses due to limited training data and can…

Computation and Language · Computer Science 2021-10-28 Wenlin Yao , Xiaoman Pan , Lifeng Jin , Jianshu Chen , Dian Yu , Dong Yu

We introduce a method for embedding words as probability densities in a low-dimensional space. Rather than assuming that a word embedding is fixed across the entire text collection, as in standard word embedding methods, in our Bayesian…

Computation and Language · Computer Science 2018-06-12 Arthur Bražinskas , Serhii Havrylov , Ivan Titov

In many modern regression applications, the response consists of multiple categorical random variables whose probability mass is a function of a common set of predictors. In this article, we propose a new method for modeling such a…

Methodology · Statistics 2024-05-15 Aaron J. Molstad , Xin Zhang

Word sense disambiguation is a fundamental challenge in natural language understanding. Current methods are primarily aimed at coarse-grained representations (e.g. WordNet synsets or FrameNet frames) and require hand-annotated training data…

Computation and Language · Computer Science 2025-11-21 Kexin Zhao , Ken Forbus

We are often interested in decomposing complex, structured data into simple components that explain the data. The linear version of this problem is well-studied as dictionary learning and factor analysis. In this work, we propose a…

Machine Learning · Computer Science 2024-07-29 Avrim Blum , Kavya Ravichandran

There are two main approaches to the distributed representation of words: low-dimensional deep learning embeddings and high-dimensional distributional models, in which each dimension corresponds to a context word. In this paper, we combine…

Computation and Language · Computer Science 2014-02-19 Irina Sergienya , Hinrich Schütze

Language models (LM) are capable of remarkably complex linguistic tasks; however, numerical reasoning is an area in which they frequently struggle. An important but rarely evaluated form of reasoning is understanding probability…

Computation and Language · Computer Science 2024-10-01 Akshay Paruchuri , Jake Garrison , Shun Liao , John Hernandez , Jacob Sunshine , Tim Althoff , Xin Liu , Daniel McDuff

We propose to take on the problem ofWord Sense Disambiguation (WSD). In language, words of the same form can take different meanings depending on context. While humans easily infer the meaning or gloss of such words by their context,…

Computation and Language · Computer Science 2021-12-15 Nikhil Patel , James Hale , Kanika Jindal , Apoorva Sharma , Yichun Yu

We present a qualitative analysis of the (potentially erroneous) outputs of contextualized embedding-based methods for detecting diachronic semantic change. First, we introduce an ensemble method outperforming previously described…

Computation and Language · Computer Science 2022-09-02 Andrey Kutuzov , Erik Velldal , Lilja Øvrelid