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Word embeddings or distributed representations of words are being used in various applications like machine translation, sentiment analysis, topic identification etc. Quality of word embeddings and performance of their applications depends…

计算与语言 · 计算机科学 2020-03-09 Erion Çano , Maurizio Morisio

With the growth of social medias, such as Twitter, plenty of user-generated data emerge daily. The short texts published on Twitter -- the tweets -- have earned significant attention as a rich source of information to guide many…

人工智能 · 计算机科学 2021-06-01 Sérgio Barreto , Ricardo Moura , Jonnathan Carvalho , Aline Paes , Alexandre Plastino

Given the growing assortment of sentiment measuring instruments, it is imperative to understand which aspects of sentiment dictionaries contribute to both their classification accuracy and their ability to provide richer understanding of…

计算与语言 · 计算机科学 2017-12-19 Andrew J. Reagan

The problem of comparing two bodies of text and searching for words that differ in their usage between them arises often in digital humanities and computational social science. This is commonly approached by training word embeddings on each…

计算与语言 · 计算机科学 2021-12-30 Hila Gonen , Ganesh Jawahar , Djamé Seddah , Yoav Goldberg

The wayward quality of continuous prompts stresses the importance of their interpretability as unexpected and unpredictable behaviors appear following training, especially in the context of large language models automating people-sensitive…

计算与语言 · 计算机科学 2024-02-15 Pascal Passigan , Kidus Yohannes , Joshua Pereira

Word embeddings are a fundamental tool in natural language processing. Currently, word embedding methods are evaluated on the basis of empirical performance on benchmark data sets, and there is a lack of rigorous understanding of their…

统计方法学 · 统计学 2023-01-18 Neil Dey , Matthew Singer , Jonathan P. Williams , Srijan Sengupta

Word embedding spaces are powerful tools for capturing latent semantic relationships between terms in corpora, and have become widely popular for building state-of-the-art natural language processing algorithms. However, studies have shown…

计算与语言 · 计算机科学 2019-06-21 Inom Mirzaev , Anthony Schulte , Michael Conover , Sam Shah

Image captioning model is a cross-modality knowledge discovery task, which targets at automatically describing an image with an informative and coherent sentence. To generate the captions, the previous encoder-decoder frameworks directly…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Ziwei Wang , Yadan Luo , Zi Huang

The rise in popularity and ubiquity of Twitter has made sentiment analysis of tweets an important and well-covered area of research. However, the 140 character limit imposed on tweets makes it hard to use standard linguistic methods for…

社会与信息网络 · 计算机科学 2021-01-05 Soroush Vosoughi , Helen Zhou , Deb Roy

We propose Marve, a system for extracting measurement values, units, and related words from natural language text. Marve uses conditional random fields (CRF) to identify measurement values and units, followed by a rule-based system to find…

信息检索 · 计算机科学 2017-10-13 Kyle Hundman , Chris A. Mattmann

Many current natural language processing applications for social media rely on representation learning and utilize pre-trained word embeddings. There currently exist several publicly-available, pre-trained sets of word embeddings, but they…

计算与语言 · 计算机科学 2016-11-22 Ben Eisner , Tim Rocktäschel , Isabelle Augenstein , Matko Bošnjak , Sebastian Riedel

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…

计算与语言 · 计算机科学 2023-02-14 Thyge Enggaard , August Lohse , Morten Axel Pedersen , Sune Lehmann

Research in analysis of microblogging platforms is experiencing a renewed surge with a large number of works applying representation learning models for applications like sentiment analysis, semantic textual similarity computation, hashtag…

计算与语言 · 计算机科学 2017-06-22 J Ganesh , Manish Gupta , Vasudeva Varma

Many methods have been used to recognize author personality traits from text, typically combining linguistic feature engineering with shallow learning models, e.g. linear regression or Support Vector Machines. This work uses…

计算与语言 · 计算机科学 2016-10-17 Fei Liu , Julien Perez , Scott Nowson

Contextualized embeddings are proven to be powerful tools in multiple NLP tasks. Nonetheless, challenges regarding their interpretability and capability to represent lexical semantics still remain. In this paper, we propose that the task of…

计算与语言 · 计算机科学 2023-05-30 Yu-Hsiang Tseng , Mao-Chang Ku , Wei-Ling Chen , Yu-Lin Chang , Shu-Kai Hsieh

This work presents a new and simple approach for fine-tuning pretrained word embeddings for text classification tasks. In this approach, the class in which a term appears, acts as an additional contextual variable during the fine tuning…

计算与语言 · 计算机科学 2019-12-17 Amr Al-Khatib , Samhaa R. El-Beltagy

Humans can make moral inferences from multiple sources of input. In contrast, automated moral inference in artificial intelligence typically relies on language models with textual input. However, morality is conveyed through modalities…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Warren Zhu , Aida Ramezani , Yang Xu

Most of existing work learn sentiment-specific word representation for improving Twitter sentiment classification, which encoded both n-gram and distant supervised tweet sentiment information in learning process. They assume all words…

计算与语言 · 计算机科学 2018-05-30 Shufeng Xiong

Embeddings in AI convert symbolic structures into fixed-dimensional vectors, effectively fusing multiple signals. However, the nature of this fusion in real-world data is often unclear. To address this, we introduce two methods: (1)…

机器学习 · 计算机科学 2023-11-21 Zhijin Guo , Zhaozhen Xu , Martha Lewis , Nello Cristianini

Despite the increasing effectiveness of language models, their reasoning capabilities remain underdeveloped. In particular, causal reasoning through counterfactual question answering is lacking. This work aims to bridge this gap. We first…

计算与语言 · 计算机科学 2025-03-18 Alihan Hüyük , Xinnuo Xu , Jacqueline Maasch , Aditya V. Nori , Javier González