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Unified opinion role labeling (ORL) aims to detect all possible opinion structures of 'opinion-holder-target' in one shot, given a text. The existing transition-based unified method, unfortunately, is subject to longer opinion terms and…

Computation and Language · Computer Science 2021-12-14 Shengqiong Wu , Hao Fei , Fei Li , Donghong Ji , Meishan Zhang , Yijiang Liu , Chong Teng

This paper presents an automatic network adaptation method that finds a ConvNet structure well-suited to a given target task, e.g., image classification, for efficiency as well as accuracy in transfer learning. We call the concept…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Yang Zhong , Vladimir Li , Ryuzo Okada , Atsuto Maki

Though word embeddings and topics are complementary representations, several past works have only used pre-trained word embeddings in (neural) topic modeling to address data sparsity problem in short text or small collection of documents.…

Computation and Language · Computer Science 2019-09-18 Pankaj Gupta , Yatin Chaudhary , Hinrich Schütze

Automatic target sound extraction (TSE) is a machine learning approach to mimic the human auditory perception capability of attending to a sound source of interest from a mixture of sources. It often uses a model conditioned on a fixed form…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-16 Chenda Li , Yao Qian , Zhuo Chen , Dongmei Wang , Takuya Yoshioka , Shujie Liu , Yanmin Qian , Michael Zeng

Current state-of-the-art relation extraction methods typically rely on a set of lexical, syntactic, and semantic features, explicitly computed in a pre-processing step. Training feature extraction models requires additional annotated…

Computation and Language · Computer Science 2019-06-10 Christoph Alt , Marc Hübner , Leonhard Hennig

One of the core problems in statistical models is the estimation of a posterior distribution. For topic models, the problem of posterior inference for individual texts is particularly important, especially when dealing with data streams,…

Machine Learning · Statistics 2016-08-18 Khoat Than , Tung Doan

Fine-grained aspect extraction is an essential sub-task in aspect based opinion analysis. It aims to identify the aspect terms (a.k.a. opinion targets) of a product or service in each sentence. However, expensive annotation process is…

Computation and Language · Computer Science 2024-10-30 Tao Liang , Wenya Wang , Fengmao Lv

In this paper, we propose a new method called ProfWeight for transferring information from a pre-trained deep neural network that has a high test accuracy to a simpler interpretable model or a very shallow network of low complexity and a…

Machine Learning · Computer Science 2018-11-20 Amit Dhurandhar , Karthikeyan Shanmugam , Ronny Luss , Peder Olsen

Regularization of neural machine translation is still a significant problem, especially in low-resource settings. To mollify this problem, we propose regressing word embeddings (ReWE) as a new regularization technique in a system that is…

Computation and Language · Computer Science 2019-04-05 Inigo Jauregi Unanue , Ehsan Zare Borzeshi , Nazanin Esmaili , Massimo Piccardi

Aspect Based Sentiment Analysis (ABSA) is the task of identifying sentiment polarity of a text given another text segment or aspect. In ABSA, a text can have multiple sentiments depending upon each aspect. Aspect Term Sentiment Analysis…

Computation and Language · Computer Science 2020-05-05 Avinash Madasu , Vijjini Anvesh Rao

Expressive text-to-speech (TTS) can synthesize a new speaking style by imiating prosody and timbre from a reference audio, which faces the following challenges: (1) The highly dynamic prosody information in the reference audio is difficult…

Sound · Computer Science 2022-11-07 Dongchao Yang , Songxiang Liu , Jianwei Yu , Helin Wang , Chao Weng , Yuexian Zou

Targeted sentiment classification predicts the sentiment polarity on given target mentions in input texts. Dominant methods employ neural networks for encoding the input sentence and extracting relations between target mentions and their…

Computation and Language · Computer Science 2020-12-18 Xuefeng Bai , Pengbo Liu , Yue Zhang

Aspect-based sentiment analysis aims to identify the sentiment polarity of a specific aspect in product reviews. We notice that about 30% of reviews do not contain obvious opinion words, but still convey clear human-aware sentiment…

Computation and Language · Computer Science 2021-11-04 Zhengyan Li , Yicheng Zou , Chong Zhang , Qi Zhang , Zhongyu Wei

In this work we investigate the capability of Graph Attention Network for extracting aspect and opinion terms. Aspect and opinion term extraction is posed as a token-level classification task akin to named entity recognition. We use the…

Computation and Language · Computer Science 2024-05-01 Abir Chakraborty

Incorporating every annotator's perspective is crucial for unbiased data modeling. Annotator fatigue and changing opinions over time can distort dataset annotations. To combat this, we propose to learn a more accurate representation of…

Machine Learning · Computer Science 2024-06-05 Uthman Jinadu , Yi Ding

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

Rapid increase in internet users along with growing power of online review sites and social media has given birth to sentiment analysis or opinion mining, which aims at determining what other people think and comment. Sentiments or Opinions…

Computation and Language · Computer Science 2016-07-12 Aurangzeb khan , Khairullah khan , Shakeel Ahmad , Fazal Masood Kundi , Irum Tareen , Muhammad Zubair Asghar

While the general task of textual sentiment classification has been widely studied, much less research looks specifically at sentiment between a specified source and target. To tackle this problem, we experimented with a state-of-the-art…

Computation and Language · Computer Science 2019-08-20 Ruiqi Zhong , Steven Shao , Kathleen McKeown

End-to-end (E2E) models have made rapid progress in automatic speech recognition (ASR) and perform competitively relative to conventional models. To further improve the quality, a two-pass model has been proposed to rescore streamed…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-19 Ke Hu , Tara N. Sainath , Ruoming Pang , Rohit Prabhavalkar

Expressing in language is subjective. Everyone has a different style of reading and writing, apparently it all boil downs to the way their mind understands things (in a specific format). Language style transfer is a way to preserve the…

Computation and Language · Computer Science 2018-04-12 Ayush Singh , Ritu Palod
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