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Related papers: Supervised Opinion Aspect Extraction by Exploiting…

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The current research is focusing on the area of Opinion Mining also called as sentiment analysis due to sheer volume of opinion rich web resources such as discussion forums, review sites and blogs are available in digital form. One…

Computation and Language · Computer Science 2013-07-15 Arti Buche , Dr. M. B. Chandak , Akshay Zadgaonkar

Product name recognition is a significant practical problem, spurred by the greater availability of platforms for discussing products such as social media and product review functionalities of online marketplaces. Customers, product…

Computation and Language · Computer Science 2018-12-13 Nicolai Pogrebnyakov

In this paper, we propose a novel approach for aggregating online reviews, according to the opinions they express. Our methodology is unsupervised - due to the fact that it does not rely on pre-labeled reviews - and it is agnostic - since…

Social and Information Networks · Computer Science 2017-04-19 Michela Fazzolari , Marinella Petrocchi , Alessandro Tommasi , Cesare Zavattari

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

With the popularity of social networks, and e-commerce websites, sentiment analysis has become a more active area of research in the past few years. On a high level, sentiment analysis tries to understand the public opinion about a specific…

Computation and Language · Computer Science 2019-04-14 Shervin Minaee , Elham Azimi , AmirAli Abdolrashidi

Sentiment classification involves quantifying the affective reaction of a human to a document, media item or an event. Although researchers have investigated several methods to reliably infer sentiment from lexical, speech and body language…

Information Retrieval · Computer Science 2018-06-11 Rahul Gupta , Saurabh Sahu , Carol Espy-Wilson , Shrikanth Narayanan

Opinion summarization is the task of automatically creating summaries that reflect subjective information expressed in multiple documents, such as product reviews. While the majority of previous work has focused on the extractive setting,…

Computation and Language · Computer Science 2020-04-21 Arthur Bražinskas , Mirella Lapata , Ivan Titov

Online services are interested in solutions to opinion mining, which is the problem of extracting aspects, opinions, and sentiments from text. One method to mine opinions is to leverage the recent success of pre-trained language models…

Computation and Language · Computer Science 2020-02-11 Zhengjie Miao , Yuliang Li , Xiaolan Wang , Wang-Chiew Tan

In this paper we present a novel framework for extracting the ratable aspects of objects from online user reviews. Extracting such aspects is an important challenge in automatically mining product opinions from the web and in generating…

Information Retrieval · Computer Science 2008-01-08 Ivan Titov , Ryan McDonald

We present a system for bottom-up cumulative learning of myriad concepts corresponding to meaningful character strings, and their part-related and prediction edges. The learning is self-supervised in that the concepts discovered are used as…

Machine Learning · Computer Science 2021-12-20 Omid Madani

Aspect term extraction is one of the important subtasks in aspect-based sentiment analysis. Previous studies have shown that using dependency tree structure representation is promising for this task. However, most dependency tree structures…

Computation and Language · Computer Science 2019-05-07 Huaishao Luo , Tianrui Li , Bing Liu , Bin Wang , Herwig Unger

This paper presents a deep learning based approach to extract product comparison information out of user reviews on various e-commerce websites. Any comparative product review has three major entities of information: the names of the…

Information Retrieval · Computer Science 2023-11-01 Jatin Arora , Sumit Agrawal , Pawan Goyal , Sayan Pathak

Self-supervised methods have shown remarkable progress in learning high-level semantics and low-level temporal correspondence. Building on these results, we take one step further and explore the possibility of integrating these two features…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Rui Qian , Shuangrui Ding , Xian Liu , Dahua Lin

Attributes are semantically meaningful characteristics whose applicability widely crosses category boundaries. They are particularly important in describing and recognizing concepts where no explicit training example is given, \textit{e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2017-05-01 Mahdi M. Kalayeh , Boqing Gong , Mubarak Shah

Aspect Sentiment Triplet Extraction (ASTE) is the task of extracting triplets of aspect terms, their associated sentiments, and the opinion terms that provide evidence for the expressed sentiments. Previous approaches to ASTE usually…

Computation and Language · Computer Science 2021-08-16 Samson Yu Bai Jian , Tapas Nayak , Navonil Majumder , Soujanya Poria

We improve the extraction of insights from customer reviews by restructuring the topic modelling pipeline to operate on opinion units - distinct statements that include relevant text excerpts and associated sentiment scores. Prior work has…

Computation and Language · Computer Science 2025-07-21 Emil Häglund , Johanna Björklund

Opinion summarization is the task of automatically generating summaries that encapsulate information from multiple user reviews. We present Semantic Autoencoder (SemAE) to perform extractive opinion summarization in an unsupervised manner.…

Computation and Language · Computer Science 2022-05-20 Somnath Basu Roy Chowdhury , Chao Zhao , Snigdha Chaturvedi

Classifying and resolving coreferences of objects (e.g., product names) and attributes (e.g., product aspects) in opinionated reviews is crucial for improving the opinion mining performance. However, the task is challenging as one often…

Computation and Language · Computer Science 2021-07-20 Jiahua Chen , Shuai Wang , Sahisnu Mazumder , Bing Liu

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…

Computation and Language · Computer Science 2022-03-29 Gianni Brauwers , Flavius Frasincar

We present a novel confidence refinement scheme that enhances pseudo labels in semi-supervised semantic segmentation. Unlike existing methods, which filter pixels with low-confidence predictions in isolation, our approach leverages the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-04 Moshe Kimhi , Shai Kimhi , Evgenii Zheltonozhskii , Or Litany , Chaim Baskin