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In terminology work, natural language processing, and digital humanities, several studies address the analysis of variations in context and meaning of terms in order to detect semantic change and the evolution of terms. We distinguish three…

Computation and Language · Computer Science 2017-07-12 Gerhard Heyer , Cathleen Kantner , Andreas Niekler , Max Overbeck , Gregor Wiedemann

Learning high-quality domain word embeddings is important for achieving good performance in many NLP tasks. General-purpose embeddings trained on large-scale corpora are often sub-optimal for domain-specific applications. However,…

Computation and Language · Computer Science 2018-05-28 Hu Xu , Bing Liu , Lei Shu , Philip S. Yu

This study addresses the problem of identifying the meaning of unknown words or entities in a discourse with respect to the word embedding approaches used in neural language models. We proposed a method for on-the-fly construction and…

Computation and Language · Computer Science 2017-10-18 Sosuke Kobayashi , Naoaki Okazaki , Kentaro Inui

We present a method of finding and analyzing shifts in grammatical relations found in diachronic corpora. Inspired by the econometric technique of measuring return and volatility instead of relative frequencies, we propose them as a way to…

Computation and Language · Computer Science 2012-12-14 Aaron Gerow , Khurshid Ahmad

Word embeddings trained on large-scale historical corpora can illuminate human biases and stereotypes that perpetuate social inequalities. These embeddings are often trained in separate vector space models defined according to different…

Computers and Society · Computer Science 2020-10-02 Nabeel Gillani , Roger Levy

Meaning of words constantly changes given the events in modern civilization. Large Language Models use word embeddings, which are often static and thus cannot cope with this semantic change. Thus,it is important to resolve ambiguity in word…

Computation and Language · Computer Science 2022-11-18 Mihir Godbole , Parth Dandavate , Aditya Kane

Many words have evolved in meaning as a result of cultural and social change. Understanding such changes is crucial for modelling language and cultural evolution. Low-dimensional embedding methods have shown promise in detecting words'…

Computation and Language · Computer Science 2019-10-22 Xiaofei Xu , Ke Deng , Fei Hu , Li Li

Word embeddings are a fixed, distributional representation of the context of words in a corpus learned from word co-occurrences. Despite their proven utility in machine learning tasks, word embedding models may capture uneven semantic and…

Computation and Language · Computer Science 2021-10-07 James Powell , Kari Sentz , Martin Klein

There are tons of news articles generated every day reflecting the activities of key roles such as people, organizations and political parties. Analyzing these key roles allows us to understand the trends in news. In this paper, we present…

Computation and Language · Computer Science 2019-09-13 Chen Xia , Haoxiang Zhang , Jacob Moghtader , Allen Wu , Kai-Wei Chang

We propose an unsupervised neural model for learning a discrete embedding of words. Unlike existing discrete embeddings, our binary embedding supports vector arithmetic operations similar to continuous embeddings. Our embedding represents…

Computation and Language · Computer Science 2020-10-16 Masataro Asai , Zilu Tang

Word embeddings provide an unsupervised way to understand differences in word usage between discursive communities. A number of recent papers have focused on identifying words that are used differently by two or more communities. But word…

Computation and Language · Computer Science 2023-02-14 Thyge Enggaard , August Lohse , Morten Axel Pedersen , Sune Lehmann

This paper deals with using word embedding models to trace the temporal dynamics of semantic relations between pairs of words. The set-up is similar to the well-known analogies task, but expanded with a time dimension. To this end, we apply…

Computation and Language · Computer Science 2017-07-28 Andrey Kutuzov , Erik Velldal , Lilja Øvrelid

Bilingual word embeddings have been widely used to capture the similarity of lexical semantics in different human languages. However, many applications, such as cross-lingual semantic search and question answering, can be largely benefited…

Computation and Language · Computer Science 2019-09-10 Muhao Chen , Yingtao Tian , Haochen Chen , Kai-Wei Chang , Steven Skiena , Carlo Zaniolo

Word embeddings are a key component of high-performing natural language processing (NLP) systems, but it remains a challenge to learn good representations for novel words on the fly, i.e., for words that did not occur in the training data.…

Computation and Language · Computer Science 2018-11-12 Timo Schick , Hinrich Schütze

Word embeddings are computed by a class of techniques within natural language processing (NLP), that create continuous vector representations of words in a language from a large text corpus. The stochastic nature of the training process of…

Computation and Language · Computer Science 2020-08-03 Lucas Rettenmeier

Following the recent success of word embeddings, it has been argued that there is no such thing as an ideal representation for words, as different models tend to capture divergent and often mutually incompatible aspects like…

Computation and Language · Computer Science 2021-12-28 Mikel Artetxe , Gorka Labaka , Iñigo Lopez-Gazpio , Eneko Agirre

Remote sensing image segmentation faces persistent challenges in distinguishing morphologically similar categories and adapting to diverse scene variations. While existing methods rely on implicit representation learning paradigms, they…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xuechao Zou , Yue Li , Shun Zhang , Kai Li , Shiying Wang , Pin Tao , Junliang Xing , Congyan Lang

The meaning of a word is closely linked to sociocultural factors that can change over time and location, resulting in corresponding meaning changes. Taking a global view of words and their meanings in a widely used language, such as…

Computation and Language · Computer Science 2020-10-05 Hongyu Gong , Suma Bhat , Pramod Viswanath

This onomasiological study uses diachronic word embeddings to explore how different words represented the same concepts over time, using historical word data from 1800 to 2000. We identify shifts in energy, transport, entertainment, and…

Computation and Language · Computer Science 2024-08-30 Esteban Rodríguez Betancourt , Edgar Casasola Murillo

While word embeddings are currently predominant for natural language processing, most of existing models learn them solely from their contexts. However, these context-based word embeddings are limited since not all words' meaning can be…

Computation and Language · Computer Science 2016-08-23 Jifan Chen , Kan Chen , Xipeng Qiu , Qi Zhang , Xuanjing Huang , Zheng Zhang