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Word embeddings are representations of individual words of a text document in a vector space and they are often use- ful for performing natural language pro- cessing tasks. Current state of the art al- gorithms for learning word embeddings…

计算与语言 · 计算机科学 2018-05-15 Prathusha Kameswara Sarma , Bill Sethares

Sentiment analysis of social media data consists of attitudes, assessments, and emotions which can be considered a way human think. Understanding and classifying the large collection of documents into positive and negative aspects are a…

计算与语言 · 计算机科学 2020-07-16 Aditya Sharma , Alex Daniels

Text classification has become indispensable due to the rapid increase of text in digital form. Over the past three decades, efforts have been made to approach this task using various learning algorithms and statistical models based on…

机器学习 · 统计学 2018-06-11 Erica K. Shimomoto , Lincon S. Souza , Bernardo B. Gatto , Kazuhiro Fukui

In this paper, we describe how we created two state-of-the-art SVM classifiers, one to detect the sentiment of messages such as tweets and SMS (message-level task) and one to detect the sentiment of a term within a submissions stood first…

计算与语言 · 计算机科学 2013-08-29 Saif M. Mohammad , Svetlana Kiritchenko , Xiaodan Zhu

Supervised term weighting could improve the performance of text categorization. A way proven to be effective is to give more weight to terms with more imbalanced distributions across categories. This paper shows that supervised term…

信息检索 · 计算机科学 2016-04-15 Haibing Wu , Xiaodong Gu

Multi-emotion sentiment classification is a natural language processing (NLP) problem with valuable use cases on real-world data. We demonstrate that large-scale unsupervised language modeling combined with finetuning offers a practical…

计算与语言 · 计算机科学 2018-12-05 Neel Kant , Raul Puri , Nikolai Yakovenko , Bryan Catanzaro

In this paper, we introduce a new measure called Term_Class relevance to compute the relevancy of a term in classifying a document into a particular class. The proposed measure estimates the degree of relevance of a given term, in placing…

信息检索 · 计算机科学 2016-09-15 D S Guru , Mahamad Suhil

Text is the major method that is used for communication now a days, each and every day lots of text are created. In this paper the text data is used for the classification of the emotions. Emotions are the way of expression of the persons…

计算与语言 · 计算机科学 2019-01-11 Naveenkumar K S , Vinayakumar R , Soman KP

Mining financial text documents and understanding the sentiments of individual investors, institutions and markets is an important and challenging problem in the literature. Current approaches to mine sentiments from financial texts largely…

信息检索 · 计算机科学 2018-11-28 Srikumar Krishnamoorthy

This paper attempt to study the effectiveness of text representation schemes on two tasks namely: User Aggression and Fact Detection from the social media contents. In User Aggression detection, The aim is to identify the level of…

信息检索 · 计算机科学 2019-04-19 Sandip Modha , Prasenjit Majumder

The massive collection of user posts across social media platforms is primarily untapped for artificial intelligence (AI) use cases based on the sheer volume and velocity of textual data. Natural language processing (NLP) is a subfield of…

计算与语言 · 计算机科学 2023-07-07 Alexandrea K. Ramnarine

Novelty detection in news events has long been a difficult problem. A number of models performed well on specific data streams but certain issues are far from being solved, particularly in large data streams from the WWW where…

信息检索 · 计算机科学 2017-06-06 Xinyu Fu , Eugene Ch'ng , Uwe Aickelin , Lanyun Zhang

This study investigates the performance of three popular tokenization tools: MeCab, Sudachi, and SentencePiece, when applied as a preprocessing step for sentiment-based text classification of Japanese texts. Using Term Frequency-Inverse…

计算与语言 · 计算机科学 2024-12-24 Andre Rusli , Makoto Shishido

The Hidden Web is the vast repository of informational databases available only through search form interfaces, accessible by therein typing a set of keywords in the search forms. Typically, a Hidden Web crawler is employed to autonomously…

信息检索 · 计算机科学 2013-11-05 Sonali Gupta , Komal Kumar Bhatia

With the constantly growing number of reviews and other sentiment-bearing texts on the Web, the demand for automatic sentiment analysis algorithms continues to expand. Aspect-based sentiment classification (ABSC) allows for the automatic…

计算与语言 · 计算机科学 2022-03-29 Gianni Brauwers , Flavius Frasincar

Google app market captures the school of thought of users via ratings and text reviews. The critique's viewpoint regarding an app is proportional to their satisfaction level. Consequently, this helps other users to gain insights before…

信息检索 · 计算机科学 2020-06-18 Sakshi Ranjan , Subhankar Mishra

Previous researchers have considered sentiment analysis as a document classification task, in which input documents are classified into predefined sentiment classes. Although there are sentences in a document that support important…

计算与语言 · 计算机科学 2021-03-10 Gihyeon Choi , Shinhyeok Oh , Harksoo Kim

This paper presents Semantic SentenceRank (SSR), an unsupervised scheme for automatically ranking sentences in a single document according to their relative importance. In particular, SSR extracts essential words and phrases from a text…

信息检索 · 计算机科学 2020-05-06 Hao Zhang , Jie Wang

Sentiment analysis is a crucial task that aims to understand people's emotional states and predict emotional categories based on multimodal information. It consists of several subtasks, such as emotion recognition in conversation (ERC),…

计算与语言 · 计算机科学 2023-09-06 Zaijing Li , Ting-En Lin , Yuchuan Wu , Meng Liu , Fengxiao Tang , Ming Zhao , Yongbin Li

Sentiment analysis has become a very important tool for analysis of social media data. There are several methods developed for this research field, many of them working very differently from each other, covering distinct aspects of the…

计算与语言 · 计算机科学 2017-11-22 Philipe F. Melo , Daniel H. Dalip , Manoel M. Junior , Marcos A. Gonçalves , Fabrício Benevenuto