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The number of senses of a given word, or polysemy, is a very subjective notion, which varies widely across annotators and resources. We propose a novel method to estimate polysemy, based on simple geometry in the contextual embedding space.…

计算与语言 · 计算机科学 2023-05-03 Christos Xypolopoulos , Antoine J. -P. Tixier , Michalis Vazirgiannis

The effectiveness of a language model is influenced by its token representations, which must encode contextual information and handle the same word form having a plurality of meanings (polysemy). Currently, none of the common language…

计算与语言 · 计算机科学 2022-06-02 Andrea Lekkas , Peter Schneider-Kamp , Isabelle Augenstein

The meaning of polysemous words often varies in a highly productive yet predictable way. Generalizing the regularity between conventional senses to derive novel word meaning is crucial for automated processing of non-literal language uses…

计算与语言 · 计算机科学 2023-11-23 Lei Yu

With the proliferation of digital content and the need for efficient information retrieval, this study's insights can be applied to various domains, including news services, e-commerce, and digital marketing, to provide users with more…

信息检索 · 计算机科学 2024-04-24 Mike Nkongolo

Previous researches have shown that learning multiple representations for polysemous words can improve the performance of word embeddings on many tasks. However, this leads to another problem. Several vectors of a word may actually point to…

计算与语言 · 计算机科学 2017-01-09 Haoyue Shi , Caihua Li , Junfeng Hu

One of the central aspects of contextualised language models is that they should be able to distinguish the meaning of lexically ambiguous words by their contexts. In this paper we investigate the extent to which the contextualised…

计算与语言 · 计算机科学 2021-09-30 Janosch Haber , Massimo Poesio

Distributed representations of words have boosted the performance of many Natural Language Processing tasks. However, usually only one representation per word is obtained, not acknowledging the fact that some words have multiple meanings.…

计算与语言 · 计算机科学 2016-02-22 Luis Nieto Piña , Richard Johansson

Text search based on lexical matching of keywords is not satisfactory due to polysemous and synonymous words. Semantic search that exploits word meanings, in general, improves search performance. In this paper, we survey WordNet-based…

计算与语言 · 计算机科学 2018-07-17 Vuong M. Ngo , Tru H. Cao , Tuan M. V. Le

Word similarities affect language acquisition and use in a multi-relational way barely accounted for in the literature. We propose a multiplex network representation of this mental lexicon of word similarities as a natural framework for…

物理与社会 · 物理学 2018-01-23 Massimo Stella , Nicole M. Beckage , Markus Brede , Manlio De Domenico

To avoid the "meaning conflation deficiency" of word embeddings, a number of models have aimed to embed individual word senses. These methods at one time performed well on tasks such as word sense induction (WSI), but they have since been…

计算与语言 · 计算机科学 2021-01-27 Alan Ansell , Felipe Bravo-Marquez , Bernhard Pfahringer

This paper presents a new model of WordNet that is used to disambiguate the correct sense of polysemy word based on the clue words. The related words for each sense of a polysemy word as well as single sense word are referred to as the clue…

计算与语言 · 计算机科学 2014-09-12 Udaya Raj Dhungana , Subarna Shakya , Kabita Baral , Bharat Sharma

Word embeddings are ubiquitous in NLP and information retrieval, but it is unclear what they represent when the word is polysemous. Here it is shown that multiple word senses reside in linear superposition within the word embedding and…

计算与语言 · 计算机科学 2018-12-10 Sanjeev Arora , Yuanzhi Li , Yingyu Liang , Tengyu Ma , Andrej Risteski

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…

计算与语言 · 计算机科学 2016-11-04 Alok Ranjan Pal , Anirban Kundu , Abhay Singh , Raj Shekhar , Kunal Sinha

The senses of words evolve. The sense of the same word may change from today to tomorrow, and multiple senses of the same word may be the result of the evolution of each other, that is, they may be parents and children. If we view Juba as…

计算与语言 · 计算机科学 2024-08-07 Yukio Ohsawa , Dingming Xue , Kaira Sekiguchi

Words can have multiple senses. Compositional distributional models of meaning have been argued to deal well with finer shades of meaning variation known as polysemy, but are not so well equipped to handle word senses that are…

计算与语言 · 计算机科学 2020-10-13 Francois Meyer , Martha Lewis

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…

计算与语言 · 计算机科学 2020-06-16 Arman Kabiri , Paul Cook

In natural language, words and phrases themselves imply the semantics. In contrast, the meaning of identifiers in mathematical formulae is undefined. Thus scientists must study the context to decode the meaning. The Mathematical Language…

数字图书馆 · 计算机科学 2019-07-02 Robert Pagael , Moritz Schubotz

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…

Most words have several senses and connotations which evolve in time due to semantic shift, so that closely related words may gain different or even opposite meanings over the years. This evolution is very relevant to the study of language…

计算与语言 · 计算机科学 2018-05-31 Jean-François Delpech

Phrases are essential to understand the core concepts in conversations. However, due to their rare occurrence in training data, correct translation of phrases is challenging in speech translation tasks. In this paper, we propose a phrase…

计算与语言 · 计算机科学 2025-06-12 Peidong Wang , Jian Xue , Rui Zhao , Junkun Chen , Aswin Shanmugam Subramanian , Jinyu Li
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