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This paper presents a novel approach for multi-lingual sentiment classification in short texts. This is a challenging task as the amount of training data in languages other than English is very limited. Previously proposed multi-lingual…

Computation and Language · Computer Science 2017-03-08 Jan Deriu , Aurelien Lucchi , Valeria De Luca , Aliaksei Severyn , Simon Müller , Mark Cieliebak , Thomas Hofmann , Martin Jaggi

There exist two main approaches to automatically extract affective orientation: lexicon-based and corpus-based. In this work, we argue that these two methods are compatible and show that combining them can improve the accuracy of emotion…

Computation and Language · Computer Science 2020-04-30 Mario Giulianelli

Aspect Based Sentiment Analysis (ABSA) tasks involve the extraction of fine-grained sentiment tuples from sentences, aiming to discern the author's opinions. Conventional methodologies predominantly rely on supervised approaches; however,…

Computation and Language · Computer Science 2024-04-23 Kevin Scaria , Abyn Scaria , Ben Scaria

Self-supervised representation learning can mitigate the limitations in recognition tasks with few manually labeled data but abundant unlabeled data---a common scenario in sound event research. In this work, we explore unsupervised…

Sound · Computer Science 2020-11-17 Eduardo Fonseca , Diego Ortego , Kevin McGuinness , Noel E. O'Connor , Xavier Serra

Automatic extraction of temporal relations between event pairs is an important task for several natural language processing applications such as Question Answering, Information Extraction, and Summarization. Since most existing methods are…

Machine Learning · Computer Science 2014-01-27 Seyed Abolghasem Mirroshandel , Gholamreza Ghassem-Sani

Holistic perception of affective attributes is an important human perceptual ability. However, this ability is far from being realized in current affective computing, as not all of the attributes are well studied and their…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-30 Yuanchao Li , Peter Bell , Catherine Lai

Sentiment analysis is an important task in natural language processing. In recent works, pre-trained language models are often used to achieve state-of-the-art results, especially when training data is scarce. It is common to fine-tune on…

Computation and Language · Computer Science 2022-04-13 Ehsan Hosseini-Asl , Wenhao Liu , Caiming Xiong

Sentiment analysis seeks to identify the viewpoint(s) underlying a text span; an example application is classifying a movie review as "thumbs up" or "thumbs down". To determine this sentiment polarity, we propose a novel machine-learning…

Computation and Language · Computer Science 2007-05-23 Bo Pang , Lillian Lee

The massive availability of digital repositories of human thought opens radical novel way of studying the human mind. Natural language processing tools and computational models have evolved such that many mental conditions are predicted by…

Artificial Intelligence · Computer Science 2016-06-08 Facundo Carrillo , Natalia Mota , Mauro Copelli , Sidarta Ribeiro , Mariano Sigman , Guillermo Cecchi , Diego Fernandez Slezak

Knowledge about emotional events is an important kind of knowledge which has been applied to improve the effectiveness of different applications. However, emotional events cannot be easily acquired, especially common or generalized…

Computation and Language · Computer Science 2025-11-10 Ya Wang , Guangzheng Zhu , Cungen Cao , Jingjing Li , He Li , Xin Huang

Learning representations for semantic relations is important for various tasks such as analogy detection, relational search, and relation classification. Although there have been several proposals for learning representations for individual…

Computation and Language · Computer Science 2015-05-04 Danushka Bollegala , Takanori Maehara , Ken-ichi Kawarabayashi

Recently, sentiment analysis has received a lot of attention due to the interest in mining opinions of social media users. Sentiment analysis consists in determining the polarity of a given text, i.e., its degree of positiveness or…

Computation and Language · Computer Science 2016-12-19 Eric S. Tellez , Sabino Miranda Jiménez , Mario Graff , Daniela Moctezuma , Ranyart R. Suárez , Oscar S. Siordia

In this paper, we explore the use of pre-trained language models to learn sentiment information of written texts for speech sentiment analysis. First, we investigate how useful a pre-trained language model would be in a 2-step pipeline…

Computation and Language · Computer Science 2021-06-15 Suwon Shon , Pablo Brusco , Jing Pan , Kyu J. Han , Shinji Watanabe

People use the world wide web heavily to share their experience with entities such as products, services, or travel destinations. Texts that provide online feedback in the form of reviews and comments are essential to make consumer…

Computation and Language · Computer Science 2025-02-07 Ali Erkan , Tunga Gungor

Recognizing emotions in conversations is a challenging task due to the presence of contextual dependencies governed by self- and inter-personal influences. Recent approaches have focused on modeling these dependencies primarily via…

Computation and Language · Computer Science 2020-05-21 Devamanyu Hazarika , Soujanya Poria , Roger Zimmermann , Rada Mihalcea

Prior work has proposed effective methods to learn event representations that can capture syntactic and semantic information over text corpus, demonstrating their effectiveness for downstream tasks such as script event prediction. On the…

Artificial Intelligence · Computer Science 2020-06-25 Xiao Ding , Kuo Liao , Ting Liu , Zhongyang Li , Junwen Duan

Representation learning for speech emotion recognition is challenging due to labeled data sparsity issue and lack of gold standard references. In addition, there is much variability from input speech signals, human subjective perception of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-13 Haoqi Li , Ming Tu , Jing Huang , Shrikanth Narayanan , Panayiotis Georgiou

We introduce a weakly supervised approach for inferring the property of abstractness of words and expressions in the complete absence of labeled data. Exploiting only minimal linguistic clues and the contextual usage of a concept as…

Computation and Language · Computer Science 2018-09-06 Ella Rabinovich , Benjamin Sznajder , Artem Spector , Ilya Shnayderman , Ranit Aharonov , David Konopnicki , Noam Slonim

Sentiment polarity classification is perhaps the most widely studied topic. It classifies an opinionated document as expressing a positive or negative opinion. In this paper, using movie review dataset, we perform a comparative study with…

Computation and Language · Computer Science 2013-11-05 Zitao Liu

Joint extraction of aspects and sentiments can be effectively formulated as a sequence labeling problem. However, such formulation hinders the effectiveness of supervised methods due to the lack of annotated sequence data in many domains.…

Computation and Language · Computer Science 2019-11-01 Zheng Li , Xin Li , Ying Wei , Lidong Bing , Yu Zhang , Qiang Yang