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Lexical substitution is the task of generating meaningful substitutes for a word in a given textual context. Contextual word embedding models have achieved state-of-the-art results in the lexical substitution task by relying on contextual…

机器学习 · 计算机科学 2022-04-04 George Michalopoulos , Ian McKillop , Alexander Wong , Helen Chen

Distributed language representation has become the most widely used technique for language representation in various natural language processing tasks. Most of the natural language processing models that are based on deep learning…

计算与语言 · 计算机科学 2020-05-11 Martina Toshevska , Frosina Stojanovska , Jovan Kalajdjieski

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

Current approaches to learning semantic representations of sentences often use prior word-level knowledge. The current study aims to leverage visual information in order to capture sentence level semantics without the need for word…

计算与语言 · 计算机科学 2019-09-25 Danny Merkx , Stefan Frank

The comic domain is rapidly advancing with the development of single-page analysis and synthesis models. However, evaluation metrics and datasets lag behind, often limited to small-scale or single-style test sets. We introduce a novel…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Emanuele Vivoli , Marco Bertini , Dimosthenis Karatzas

Lexical semantics is concerned with both the multiple senses a word can adopt in different contexts, and the semantic relations that exist between meanings of different words. To investigate them, Contextualized Language Models are a…

计算与语言 · 计算机科学 2026-01-26 Bastien Liétard , Gabriel Loiseau

In text processing, deep neural networks mostly use word embeddings as an input. Embeddings have to ensure that relations between words are reflected through distances in a high-dimensional numeric space. To compare the quality of different…

计算与语言 · 计算机科学 2022-06-01 Matej Ulčar , Kristiina Vaik , Jessica Lindström , Milda Dailidėnaitė , Marko Robnik-Šikonja

Word embeddings are substantially successful in capturing semantic relations among words. However, these lexical semantics are difficult to be interpreted. Definition modeling provides a more intuitive way to evaluate embeddings by…

计算与语言 · 计算机科学 2020-07-21 Haitong Zhang , Yongping Du , Jiaxin Sun , Qingxiao Li

Applying machine learning algorithms to large-scale, text-based corpora (embeddings) presents a unique opportunity to investigate at scale how human semantic knowledge is organized and how people use it to judge fundamental relationships,…

计算与语言 · 计算机科学 2020-07-17 Marius Cătălin Iordan , Tyler Giallanza , Cameron T. Ellis , Nicole M. Beckage , Jonathan D. Cohen

Despite extensive recent advances in summary generation models, evaluation of auto-generated summaries still widely relies on single-score systems insufficient for transparent assessment and in-depth qualitative analysis. Towards bridging…

计算与语言 · 计算机科学 2022-10-26 Ben Schaper , Christopher Lohse , Marcell Streile , Andrea Giovannini , Richard Osuala

The meaning conveyed by a sentence often depends on the context in which it appears. Despite the progress of sentence embedding methods, it remains unclear as how to best modify a sentence embedding conditioned on its context. To address…

计算与语言 · 计算机科学 2026-02-03 Gaifan Zhang , Yi Zhou , Danushka Bollegala

Semantic parsing is the task of translating natural language utterances into machine-readable meaning representations. Currently, most semantic parsing methods are not able to utilize contextual information (e.g. dialogue and comments…

计算与语言 · 计算机科学 2020-11-03 Zhuang Li , Lizhen Qu , Gholamreza Haffari

Contextual embeddings represent a new generation of semantic representations learned from Neural Language Modelling (NLM) that addresses the issue of meaning conflation hampering traditional word embeddings. In this work, we show that…

计算与语言 · 计算机科学 2019-06-25 Daniel Loureiro , Alipio Jorge

Over the last years, word and sentence embeddings have established as text preprocessing for all kinds of NLP tasks and improved the performances significantly. Unfortunately, it has also been shown that these embeddings inherit various…

计算与语言 · 计算机科学 2024-09-13 Sarah Schröder , Alexander Schulz , Philip Kenneweg , Robert Feldhans , Fabian Hinder , Barbara Hammer

Semantic textual similarity is one of the open research challenges in the field of Natural Language Processing. Extensive research has been carried out in this field and near-perfect results are achieved by recent transformer-based models…

计算与语言 · 计算机科学 2021-07-13 Dhivya Chandrasekaran , Vijay Mago

We investigate the task of assessing sentence-level prompt relevance in learner essays. Various systems using word overlap, neural embeddings and neural compositional models are evaluated on two datasets of learner writing. We propose a new…

计算与语言 · 计算机科学 2017-07-18 Marek Rei , Ronan Cummins

Usage similarity estimation addresses the semantic proximity of word instances in different contexts. We apply contextualized (ELMo and BERT) word and sentence embeddings to this task, and propose supervised models that leverage these…

计算与语言 · 计算机科学 2019-05-22 Aina Garí Soler , Marianna Apidianaki , Alexandre Allauzen

Distributional semantics in the form of word embeddings are an essential ingredient to many modern natural language processing systems. The quantification of semantic similarity between words can be used to evaluate the ability of a system…

计算与语言 · 计算机科学 2019-04-10 Ponrudee Netisopakul , Gerhard Wohlgenannt , Aleksei Pulich

Word alignments are useful for tasks like statistical and neural machine translation (NMT) and cross-lingual annotation projection. Statistical word aligners perform well, as do methods that extract alignments jointly with translations in…

计算与语言 · 计算机科学 2021-04-19 Masoud Jalili Sabet , Philipp Dufter , François Yvon , Hinrich Schütze

As language models become capable of processing increasingly long and complex texts, there has been growing interest in their application within computational literary studies. However, evaluating the usefulness of these models for such…

计算与语言 · 计算机科学 2026-01-21 Natasha Johnson , Amanda Bertsch , Maria-Emil Deal , Emma Strubell