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Aspect Extraction (AE) is a key task in Aspect-Based Sentiment Analysis (ABSA), yet it remains difficult to apply in low-resource and code-switched contexts like Taglish, a mix of Tagalog and English commonly used in Filipino e-commerce…

The Explainable Recommendation task is designed to receive a pair of user and item and output explanations to justify why an item is recommended to a user. Many models approach review generation as a proxy for explainable recommendations.…

Machine Learning · Computer Science 2025-05-27 Ching-Wen Yang , Zhi-Quan Feng , Ying-Jia Lin , Che-Wei Chen , Kun-da Wu , Hao Xu , Jui-Feng Yao , Hung-Yu Kao

We have proposed a novel method for Synthetic High Range Resolution (HRR) profiling, under the condition of missing frequency domain samples. This new approach estimates the autocovariance function (ACF) of the signal by valid sample pairs.…

Information Theory · Computer Science 2014-11-04 Yang Hu , Huadong Meng , Yimin Liu , Xiqin Wang

The increasing popularity of the Web has subsequently increased the abundance of reviews on products and services. Mining these reviews for expressed sentiment is beneficial for both companies and consumers, as quality can be improved based…

Computation and Language · Computer Science 2021-12-01 Ron Hochstenbach , Flavius Frasincar , Maria Mihaela Trusca

Personalized and content-adaptive image enhancement can find many applications in the age of social media and mobile computing. This paper presents a relative-learning-based approach, which, unlike previous methods, does not require…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Parag S. Chandakkar , Qiongjie Tian , Baoxin Li

The operating environment of a highly automated vehicle is subject to change, e.g., weather, illumination, or the scenario containing different objects and other participants in which the highly automated vehicle has to navigate its…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Florian Heidecker , Ahmad El-Khateeb , Maarten Bieshaar , Bernhard Sick

In aspect-based sentiment analysis, extracting aspect terms along with the opinions being expressed from user-generated content is one of the most important subtasks. Previous studies have shown that exploiting connections between aspect…

Computation and Language · Computer Science 2016-09-20 Wenya Wang , Sinno Jialin Pan , Daniel Dahlmeier , Xiaokui Xiao

Pool-based sequential active learning for regression (ALR) optimally selects a small number of samples sequentially from a large pool of unlabeled samples to label, so that a more accurate regression model can be constructed under a given…

Machine Learning · Computer Science 2026-05-05 Dongrui Wu

Sentiment analysis has attracted increasing attention in e-commerce. The sentiment polarities underlying user reviews are of great value for business intelligence. Aspect category sentiment analysis (ACSA) and review rating prediction (RP)…

Computation and Language · Computer Science 2021-05-04 Jiahao Bu , Lei Ren , Shuang Zheng , Yang Yang , Jingang Wang , Fuzheng Zhang , Wei Wu

Aspect-based sentiment analysis (ABSA) is a crucial fine-grained task in social media scenarios to identify the sentiment polarity of specific aspect terms in a sentence. Although many existing studies leverage large language models (LLMs)…

Computation and Language · Computer Science 2025-07-15 Junjie Liu , Yuanhe Tian , Yan Song

Dense retrieval methods have been mostly focused on unstructured text and less attention has been drawn to structured data with various aspects, e.g., products with aspects such as category and brand. Recent work has proposed two approaches…

Information Retrieval · Computer Science 2024-01-17 Xiaojie Sun , Keping Bi , Jiafeng Guo , Sihui Yang , Qishen Zhang , Zhongyi Liu , Guannan Zhang , Xueqi Cheng

Point cloud registration (PCR) is crucial for many downstream tasks, such as simultaneous localization and mapping (SLAM) and object tracking. This makes detecting and quantifying registration misalignment, i.e., PCR quality validation, an…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Shipeng Liu , Ziliang Xiong , Khac-Hoang Ngo , Per-Erik Forssén

Estimates of image gradients play a ubiquitous role in image segmentation and classification problems since gradients directly relate to the boundaries or the edges of a scene. This paper proposes an unified approach to gradient estimation…

Computer Vision and Pattern Recognition · Computer Science 2016-05-10 Anish Acharya , Uddipan Mukherjee , Charless Fowlkes

In this paper, we study the problem of training large-scale face identification model with imbalanced training data. This problem naturally exists in many real scenarios including large-scale celebrity recognition, movie actor annotation,…

Computer Vision and Pattern Recognition · Computer Science 2018-03-19 Yandong Guo , Lei Zhang

The currently leading artificial neural network models of the visual ventral stream - which are derived from a combination of performance optimization and robustification methods - have demonstrated a remarkable degree of behavioral…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Morgan B. Talbot , Gabriel Kreiman , James J. DiCarlo , Guy Gaziv

Aspect-level sentiment classification aims at identifying the sentiment polarity of specific target in its context. Previous approaches have realized the importance of targets in sentiment classification and developed various methods with…

Artificial Intelligence · Computer Science 2017-09-05 Dehong Ma , Sujian Li , Xiaodong Zhang , Houfeng Wang

Few-shot learning (FSL) based on manifold regularization aims to improve the recognition capacity of novel objects with limited training samples by mixing two samples from different categories with a blending factor. However, this mixing…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Xingyu Zhu , Shuo Wang , Jinda Lu , Yanbin Hao , Haifeng Liu , Xiangnan He

Multi-label aspect category detection is intended to detect multiple aspect categories occurring in a given sentence. Since aspect category detection often suffers from limited datasets and data sparsity, the prototypical network with…

Computation and Language · Computer Science 2023-09-28 Zeyu Wang , Mizuho Iwaihara

Self-supervised learning for pre-training (SSP) can help the network learn better low-level features, especially when the size of the training set is small. In contrastive pre-training, the network is pre-trained to distinguish between…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Amy Saranchuk , Michael Guerzhoy

Many real-world phenomena are observed at multiple resolutions. Predictive models designed to predict these phenomena typically consider different resolutions separately. This approach might be limiting in applications where predictions are…

Machine Learning · Computer Science 2020-01-07 Guruprasad Nayak , Rahul Ghosh , Xiaowei Jia , Varun Mithal , Vipin Kumar