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Related papers: S-APIR: News-based Business Sentiment Index

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This study addressed the complex task of sentiment analysis on a dataset of 119,988 original tweets from Weibo using a Convolutional Neural Network (CNN), offering a new approach to Natural Language Processing (NLP). The data, sourced from…

Computation and Language · Computer Science 2023-07-14 Yufei Xie , Rodolfo C. Raga

Reservoir characterization involves the estimation petrophysical properties from well-log data and seismic data. Estimating such properties is a challenging task due to the non-linearity and heterogeneity of the subsurface. Various attempts…

Geophysics · Physics 2019-02-05 Motaz Alfarraj , Ghassan AlRegib

Sentiment analysis is a widely studied NLP task where the goal is to determine opinions, emotions, and evaluations of users towards a product, an entity or a service that they are reviewing. One of the biggest challenges for sentiment…

Computation and Language · Computer Science 2018-06-13 Ethem F. Can , Aysu Ezen-Can , Fazli Can

As machine learning ascends the peak of computer science zeitgeist, the usage and experimentation with sentiment analysis using various forms of textual data seems pervasive. The effect is especially pronounced in formulating securities…

Computational Finance · Quantitative Finance 2018-02-23 Raeid Saqur , Nicole Langballe

This paper proposes recurrent neuron networks (RNNs) for a fingerprinting indoor localization using WiFi. Instead of locating user's position one at a time as in the cases of conventional algorithms, our RNN solution aims at trajectory…

Signal Processing · Electrical Eng. & Systems 2022-11-09 Minh Tu Hoang , Brosnan Yuen , Xiaodai Dong , Tao Lu , Robert Westendorp , Kishore Reddy

The development and progress in sensor, communication and computing technologies have led to data rich environments. In such environments, data can easily be acquired not only from the monitored entities but also from the surroundings where…

Machine Learning · Computer Science 2023-01-13 Rashmi Dutta Baruah , Mario Muñoz Organero

Sentiment analysis is a new area in text analytics where it focuses on the analysis and understanding of the emotions from the text patterns. This new form of analysis has been widely adopted in customer relation management especially in…

Applications · Statistics 2011-09-06 Murphy Choy , Michelle L. F. Cheong , Ma Nang Laik , Koo Ping Shung

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

The proliferation of social media in communication and information dissemination has made it an ideal platform for spreading rumors. Automatically debunking rumors at their stage of diffusion is known as \textit{early rumor detection},…

Computation and Language · Computer Science 2017-04-21 Tong Chen , Lin Wu , Xue Li , Jun Zhang , Hongzhi Yin , Yang Wang

For both investors and policymakers, forecasting the stock market is essential as it serves as an indicator of economic well-being. To this end, we harness the power of social media data, a rich source of public sentiment, to enhance the…

Machine Learning · Computer Science 2023-10-31 Shengkun Wang , YangXiao Bai , Kaiqun Fu , Linhan Wang , Chang-Tien Lu , Taoran Ji

Click prediction is one of the fundamental problems in sponsored search. Most of existing studies took advantage of machine learning approaches to predict ad click for each event of ad view independently. However, as observed in the…

Information Retrieval · Computer Science 2014-07-29 Yuyu Zhang , Hanjun Dai , Chang Xu , Jun Feng , Taifeng Wang , Jiang Bian , Bin Wang , Tie-Yan Liu

This paper proposes a method for estimating the effect of a policy intervention on an outcome over time. We train recurrent neural networks (RNNs) on the history of control unit outcomes to learn a useful representation for predicting…

Machine Learning · Statistics 2021-08-24 Jason Poulos , Shuxi Zeng

This paper explores a novel application of textual semantic similarity to user-preference representation for rating prediction. The approach represents a user's preferences as a graph of textual snippets from review text, where the edges…

Computation and Language · Computer Science 2023-03-29 Léo Laugier , Raghuram Vadapalli , Thomas Bonald , Lucas Dixon

This paper applies a recurrent neural network, the LSTM, to forecast inflation. This is an appealing model for time series as it processes each time step sequentially and explicitly learns dynamic dependencies. The paper also explores the…

Econometrics · Economics 2023-10-03 Livia Paranhos

While sentiment analysis is the staple of financial NLP, capturing the nuances of 'why' behind that sentiment remains a challenge. There have been attempts to address this by analysing investor emotions alongside sentiment; however, this…

Computation and Language · Computer Science 2026-05-06 Gaurav Negi , Paul Buitelaar

This paper fills a gap in aspect-based sentiment analysis and aims to present a new method for preparing and analysing texts concerning opinion and generating user-friendly descriptive reports in natural language. We present a comprehensive…

Computation and Language · Computer Science 2017-09-15 Łukasz Augustyniak , Krzysztof Rajda , Tomasz Kajdanowicz

Bidding in real-time auctions can be a difficult stochastic control task; especially if underdelivery incurs strong penalties and the market is very uncertain. Most current works and implementations focus on optimally delivering a campaign…

Machine Learning · Computer Science 2020-06-15 Nicolas Grislain , Nicolas Perrin , Antoine Thabault

Stock market prediction is a long-standing challenge in finance, as accurate forecasts support informed investment decisions. Traditional models rely mainly on historical prices, but recent work shows that financial news can provide useful…

Machine Learning · Computer Science 2025-12-10 Nader Sadek , Mirette Moawad , Christina Naguib , Mariam Elzahaby

The growing prosperity of social networks has brought great challenges to the sentimental tendency mining of users. As more and more researchers pay attention to the sentimental tendency of online users, rich research results have been…

Computation and Language · Computer Science 2019-07-04 Donghang Pan , Jingling Yuan , Lin Li , Deming Sheng

Sentiment Analysis is an important algorithm in Natural Language Processing which is used to detect sentiment within some text. In our project, we had chosen to work on analyzing reviews of various drugs which have been reviewed in form of…

Computation and Language · Computer Science 2020-03-27 Sairamvinay Vijayaraghavan , Debraj Basu