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Sentiment Analysis is the task of classifying documents based on the sentiments expressed in textual form, this can be achieved by using lexical and semantic methods. The purpose of this study is to investigate the use of semantics to…

Computation and Language · Computer Science 2020-09-02 Ukachi Osisiogu

Although latent factor models (e.g., matrix factorization) achieve good accuracy in rating prediction, they suffer from several problems including cold-start, non-transparency, and suboptimal recommendation for local users or items. In this…

Information Retrieval · Computer Science 2018-02-23 Zhiyong Cheng , Ying Ding , Lei Zhu , Mohan Kankanhalli

The World Wide Web caters to the needs of billions of users in heterogeneous groups. Each user accessing the World Wide Web might have his / her own specific interest and would expect the web to respond to the specific requirements. The…

Information Retrieval · Computer Science 2017-11-22 K. S. Kuppusamy , G. Aghila

"What other people think" has always been an important piece of information during various decision-making processes. Today people frequently make their opinions available via the Internet, and as a result, the Web has become an excellent…

Computation and Language · Computer Science 2010-11-23 Samaneh Moghaddam , Fred Popowich

Opinion mining mainly involves three elements: feature and feature-of relations, opinion expressions and the related opinion attributes (e.g. Polarity), and feature-opinion relations. Although many works have emerged to achieve its aim of…

Computation and Language · Computer Science 2018-11-15 Haiqing Zhang , Aicha Sekhari , Yacine Ouzrout , Abdelaziz Bouras

A sentence may express sentiments on multiple aspects. When these aspects are associated with different sentiment polarities, a model's accuracy is often adversely affected. We observe that multiple aspects in such hard sentences are mostly…

Computation and Language · Computer Science 2022-02-08 Ting Lin , Aixin Sun , Yequan Wang

In recent years, researchers have become increasingly interested in outlying aspect mining. Outlying aspect mining is the task of finding a set of feature(s), where a given data object is different from the rest of the data objects.…

Machine Learning · Computer Science 2020-05-28 Durgesh Samariya , Jiangang Ma , Sunil Aryal

Aspect-level sentiment classification (ALSC) aims at identifying the sentiment polarity of a specified aspect in a sentence. ALSC is a practical setting in aspect-based sentiment analysis due to no opinion term labeling needed, but it fails…

Computation and Language · Computer Science 2021-09-08 Bo Wang , Tao Shen , Guodong Long , Tianyi Zhou , Yi Chang

In the context of sentiment analysis, there has been growing interest in performing a finer granularity analysis focusing on the specific aspects of the entities being evaluated. This is the goal of Aspect-Based Sentiment Analysis (ABSA)…

Computation and Language · Computer Science 2020-08-26 Danny Suarez Vargas , Lucas R. C. Pessutto , Viviane Pereira Moreira

In this paper, we introduce a new framework called the sentiment-aspect attribution module (SAAM). SAAM works on top of traditional neural networks and is designed to address the problem of multi-aspect sentiment classification and…

Computation and Language · Computer Science 2020-12-16 Yifan Zhang , Fan Yang , Marjan Hosseinia , Arjun Mukherjee

Aspect sentiment triplet extraction (ASTE) aims to extract aspect term, sentiment and opinion term triplets from sentences. Since the initial datasets used to evaluate models on ASTE had flaws, several studies later corrected the initial…

Computation and Language · Computer Science 2022-12-20 Yuncong Li , Fang Wang , Sheng-Hua Zhong

Aspect-based Sentiment Analysis (ABSA) is a fine-grained sentiment analysis task which involves four elements from user-generated texts: aspect term, aspect category, opinion term, and sentiment polarity. Most computational approaches focus…

Identification of user's opinions from natural language text has become an exciting field of research due to its growing applications in the real world. The research field is known as sentiment analysis and classification, where aspect…

Computation and Language · Computer Science 2021-10-19 Milad Vazan , Jafar Razmara

Extracting sentiment elements using pre-trained generative models has recently led to large improvements in aspect-based sentiment analysis benchmarks. However, these models always need large-scale computing resources, and they also ignore…

Computation and Language · Computer Science 2023-06-16 Xiaoyi Bao , Xiaotong Jiang , Zhongqing Wang , Yue Zhang , Guodong Zhou

This paper aims to catalyze the discussions about text feature extraction techniques using neural network architectures. The research questions discussed in the paper focus on the state-of-the-art neural network techniques that have proven…

Computation and Language · Computer Science 2017-04-28 Vineet John

Peer-review plays a critical role in the scientific writing and publication ecosystem. To assess the efficiency and efficacy of the reviewing process, one essential element is to understand and evaluate the reviews themselves. In this work,…

Computation and Language · Computer Science 2019-03-26 Xinyu Hua , Mitko Nikolov , Nikhil Badugu , Lu Wang

We propose to augment rating based recommender systems by providing the user with additional information which might help him in his choice or in the understanding of the recommendation. We consider here as a new task, the generation of…

Information Retrieval · Computer Science 2014-12-18 Mickaël Poussevin , Vincent Guigue , Patrick Gallinari

Aspect-based meeting transcript summarization aims to produce multiple summaries, each focusing on one aspect of content in a meeting transcript. It is challenging as sentences related to different aspects can mingle together, and those…

Computation and Language · Computer Science 2023-11-09 Zhongfen Deng , Seunghyun Yoon , Trung Bui , Franck Dernoncourt , Quan Hung Tran , Shuaiqi Liu , Wenting Zhao , Tao Zhang , Yibo Wang , Philip S. Yu

Most recent existing aspect-term level sentiment analysis (ATSA) approaches combined various neural network models with delicately carved attention mechanisms built upon given aspect and context to generate refined sentence representations…

Computation and Language · Computer Science 2020-01-22 Chi Xu , Hao Feng , Guoxin Yu , Min Yang , Xiting Wang , Xiang Ao

We investigate a growing body of work that seeks to improve recommender systems through the use of review text. Generally, these papers argue that since reviews 'explain' users' opinions, they ought to be useful to infer the underlying…

Information Retrieval · Computer Science 2020-05-26 Noveen Sachdeva , Julian McAuley