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Articles 2761 - 2790 of 9289

Full-Text Articles in Social and Behavioral Sciences

5 Ways To Boost Your Business Through Influencer Marketing, Patricia Lui Nov 2020

5 Ways To Boost Your Business Through Influencer Marketing, Patricia Lui

Research Collection Lee Kong Chian School Of Business

Covid-19 pandemic’s economic impact put pressure on marketing budgets. Brands are more careful when deciding how they spend the funds on digital marketing, including influencer strategy. The blog offers tips on how to tap on influencers to create brand awareness and generate business leads and conversions.

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Learning Personal Conscientiousness From Footprints In E-Learning Systems, Lo Pang-Yun Ting, Shan Yun Teng, Kun Ta Chuang, Ee-Peng Lim Nov 2020

Learning Personal Conscientiousness From Footprints In E-Learning Systems, Lo Pang-Yun Ting, Shan Yun Teng, Kun Ta Chuang, Ee-Peng Lim

Research Collection School Of Computing and Information Systems

Personality inference has received widespread attention for its potential to infer psychological well being, job satisfaction, romantic relationship success, and professional performance. In this research, we focus on Conscientiousness, one of the well studied Big Five personality traits, which determines if a person is self-disciplined, organized, and hard-working. Research has shown that Conscientiousness is related to a person's academic and workplace success. For an expert to evaluate a person's Conscientiousness, long-term observation of the person's behavior at work place or at home is usually required. To reduce this evaluation effort as well as to cope with the increasing trend of …

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Using Data Analytics To Predict Students Score, Nang Laik Ma, Gim Hong Chua Nov 2020

Using Data Analytics To Predict Students Score, Nang Laik Ma, Gim Hong Chua

Research Collection School Of Computing and Information Systems

Education is very important to Singapore, and the government has continued to invest heavily in our education system to become one of the world-class systems today. A strong foundation of Science, Technology, Engineering, and Mathematics (STEM) was what underpinned Singapore's development over the past 50 years. PISA is a triennial international survey that evaluates education systems worldwide by testing the skills and knowledge of 15-year-old students who are nearing the end of compulsory education. In this paper, the authors used the PISA data from 2012 and 2015 and developed machine learning techniques to predictive the students' scores and understand the …

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The Singapore Convention On Mediation And The New York Convention On Arbitration: Comparing Enforcement Mechanisms And Drawing Lessons For Asia, Eunice Chua Nov 2020

The Singapore Convention On Mediation And The New York Convention On Arbitration: Comparing Enforcement Mechanisms And Drawing Lessons For Asia, Eunice Chua

Research Collection Yong Pung How School Of Law

This article considers the enforcement mechanism for international mediated settlement agreements proposed by the Singapore Convention on Mediation and critically examines this mode of enforcement as against enforcement as an arbitral award in Asia, including through a hybrid process like Arb-Med-Arb. Similarities and differences between the New York Convention and the Singapore Convention on Mediation will be discussed and used to consider how Asian jurisdictions may respond to the Singapore Convention on Mediation and what lessons may be learnt from the arbitration context.

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What A Delay In Singapore’S Political Succession Portends, Tan K. B. Eugene Nov 2020

What A Delay In Singapore’S Political Succession Portends, Tan K. B. Eugene

Research Collection Yong Pung How School Of Law

In a commentary, SMU Associate Professor of Law Eugene Tan discussed what a delay in Singapore’s political succession arising from the COVID-19 crisis might portend and explained the impact of such a move.

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Dual Attitude Model Of Opinion Diffusion: Experiments With Epistemically Motivated Agents, Riyang Phang, Lin Qiu, Angela K. Y. Leung Nov 2020

Dual Attitude Model Of Opinion Diffusion: Experiments With Epistemically Motivated Agents, Riyang Phang, Lin Qiu, Angela K. Y. Leung

Research Collection School of Social Sciences

Opinion diffusion is often simulated in agentbased models to reveal the perpetuation of norms and beliefs. This paper presents a dual attitude model where agents’ interaction, information search, and opinion formation are influenced by the need for cognitive closure (NFCC). Two experiments simulated topic advocacy with either high- or lowNFCC agents. Experiment one initiated societies with unbiased distribution of NFCC levels between advocates of two competing topics, while experiment two initiated biased distributions of NFCC levels between the topics. Results in the unbiased condition showed that the popularity of the majority topic increases over time in high NFCC societies while …

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A Question Of Scale: Making Meteorological Knowledge And Nation In Imperial Asia, Fiona Williamson, Vladimir Jankovic Nov 2020

A Question Of Scale: Making Meteorological Knowledge And Nation In Imperial Asia, Fiona Williamson, Vladimir Jankovic

Research Collection School of Social Sciences

This special issue of History of Meteorology explores processes of making, communicating, and embedding modern meteorological knowledge in late nineteenth and early twentieth century imperial Asia. Its focus is on the institutionalisation of meteorology in key nation-building activities such as developing agricultural services, synoptic mapping to predict storms, and participation in scientific organisations and initiatives. Collectively, the essays explore the intersection of local, regional, and international scales and processes in generating new forms of state-sponsored meteorological practices and institutions, though complex multi-layered networks involving different actors and modes of information flow across multiple scales. In so doing, they reveal the …

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Mandarins Make Markets: Leadership Rotations And Inter-Provincial Trade In China, Junyan Jiang, Yuan Mei Nov 2020

Mandarins Make Markets: Leadership Rotations And Inter-Provincial Trade In China, Junyan Jiang, Yuan Mei

Research Collection School Of Economics

The careers of many public officials span multiple localities, yet the economic effects of their inter-regional movements are not well understood. This paper focuses on the rotation of provincial leaders in China and studies its impact on regional economic integration. Estimation results using the gravity framework indicate that when a provincial leader is appointed as the party secretary of a new province, the trade volume from the new province to the old province increases, but not vice versa. Additional analyses using two novel datasets that capture the intensity of inter-provincial socioeconomic activities in China corroborate this finding. We then construct …

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Can Retail Investors Learn From Insiders?, Ekkehart Boehmer, Bo Sang, Zhe Zhang Nov 2020

Can Retail Investors Learn From Insiders?, Ekkehart Boehmer, Bo Sang, Zhe Zhang

Research Collection Lee Kong Chian School Of Business

This paper examines the trading patterns of retail investors following insider trading and the corresponding price impact. Retail investors follow the opportunistic purchases by insiders, but not their routine purchases. Neither investor attention nor common information such as earnings announcements or analysts forecast re- visions explains the results. They keep following insider purchases in subsequent four quarters. Moreover, for stocks with opportunistic insider purchases, those that retail investors bought yield higher cumulative abnormal returns than those that retail investors sold. The effect is mostly driven by the information compo- nent of the retail trades, rather than liquidity provision or temporary …

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The Revealed Preference Theory Of Stable Matchings With One-Sided Preferences, Gaoji Hu, Jiangtao Li, Rui Tang Nov 2020

The Revealed Preference Theory Of Stable Matchings With One-Sided Preferences, Gaoji Hu, Jiangtao Li, Rui Tang

Research Collection School Of Economics

We investigate the testable implications of the theory of stable matchings in two-sided matching markets with one-sided preferences. Our main result connects the revealed preference analysis to the well-known lattice structure of the set of stable matchings, and tests the rationalizability of a data set by analyzing the joins and meets of matchings.

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Uniform Nonparametric Inference For Time Series, Jia Li, Zhipeng Liao Nov 2020

Uniform Nonparametric Inference For Time Series, Jia Li, Zhipeng Liao

Research Collection School Of Economics

This paper provides the first result for the uniform inference based on nonparametric series estimators in a general time-series setting. We develop a strong approximation theory for sample averages of mixingales with dimensions growing with the sample size. We use this result to justify the asymptotic validity of a uniform confidence band for series estimators and show that it can also be used to conduct nonparametric specification test for conditional moment restrictions. New results on the validity of heteroskedasticity and autocorrelation consistent (HAC) estimators with increasing dimension are established for making feasible inference. An empirical application on the unemployment volatility …

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Pinduoduo: Empowering Farmers With An E-Commerce Platform, Hao Liang, Sin Mei Cheah Nov 2020

Pinduoduo: Empowering Farmers With An E-Commerce Platform, Hao Liang, Sin Mei Cheah

Research Collection Lee Kong Chian School Of Business

A case study on how Pinduoduo's dedicated portal has helped farmers during the Covid-19 outbreak.

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Macroeconomic Stabilization In The Digital Age, John Beirne, David Fernandez Nov 2020

Macroeconomic Stabilization In The Digital Age, John Beirne, David Fernandez

Research Collection Lee Kong Chian School Of Business

Macroeconomic Stabilization in the Digital Age provides insights into factors affecting the macroeconomic management of the economy in the digital age. Policy makers need to be aware of the increasing prominence of the digital economy and digital finance and seek to better understand how continued digitalization will affect policies aimed at managing the economy. For emerging market economies (EMEs), macroeconomic policy challenges have been exacerbated by the digital finance revolution in the aftermath of the global financial crisis and the coronavirus disease (COVID-19) pandemic, when many EMEs experienced large and volatile capital flows. Policy makers must also navigate through fluctuating …

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When And Why Narcissists Exhibit Greater Hindsight Bias And Less Perceived Learning, Satoris S. Howes, Edgar E. Kausel, Alexander T. Jackson, Jochen Reb Nov 2020

When And Why Narcissists Exhibit Greater Hindsight Bias And Less Perceived Learning, Satoris S. Howes, Edgar E. Kausel, Alexander T. Jackson, Jochen Reb

Research Collection Lee Kong Chian School Of Business

The present research sought to examine the impact of narcissism, prediction accuracy, and should counterfactual thinking—which includes thoughts such as “I should have done something different”—on hindsight bias (the tendency to exaggerate in hindsight what one knew in foresight) and perceived learning. To test these effects, we conducted four studies (total n = 727). First, in Study 1 we examined a moderated mediation model, in which should counterfactual thinking mediates the relation between narcissism and hindsight bias, and this mediation is moderated by prediction accuracy such that the relationship is negative when predictions are accurate and positive when predictions are …

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Archives Of Societies And Historical Climatology In East And Southeast Asia, Fiona Williamson, Qing Pei Nov 2020

Archives Of Societies And Historical Climatology In East And Southeast Asia, Fiona Williamson, Qing Pei

Research Collection School of Social Sciences

Major sources of social archives for paleoclimatology in East and Southeast Asia include ancient annals and chronicles, instrumental records from government, military or missionary bodies, and private records such as diaries. Records are rich but scattered and of inconsistent quality, often requiring different forms of cross-validation and homogenization from those in the Western world. This article discusses these source types.

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Rebuilding Global Supply Chains From The Ground Up, Victor Fung, Chin Tiong Tan Nov 2020

Rebuilding Global Supply Chains From The Ground Up, Victor Fung, Chin Tiong Tan

Research Collection Lee Kong Chian School Of Business

Dr Victor Fung, Group Chairman of the Fung Group, talks about how technological changes, geopolitical shifts, and Covid-19 are threatening to turn global supply chains upside down, in this interview with Tan Chin Tiong.

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The Potential Impacts Of Covid-19 On The Global Value Chains: Gvc Positioning And Linkages, Gerald Foong, Pao-Li Chang Nov 2020

The Potential Impacts Of Covid-19 On The Global Value Chains: Gvc Positioning And Linkages, Gerald Foong, Pao-Li Chang

Research Collection School Of Economics

Apart from the public health crisis entailed by the Coronavirus Disease 2019 (COVID-19) pandemic, it has also propagated a pandemic-induced economic shock globally. One transmission channel is via the inter-country linkages arising from the trade in intermediate inputs, which is a pertinent characteristic of global value chains (GVCs), and resulting in a "supply-chain contagion" as termed by Baldwin and Tomiura (2020). In this paper, we propose measures of bilteral downstreamness and upstreamness, the extent of a country's GVC participation, and the position of a country in GVCs by leveraging upon the gross export decomposition framework as laid out by Borin …

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Housing Equity And Household Consumption In Retirement: Evidence From The Singapore Life Panel©, Lipeng Chen, Liang Jiang, Sock Yong Phang, Jun Yu Nov 2020

Housing Equity And Household Consumption In Retirement: Evidence From The Singapore Life Panel©, Lipeng Chen, Liang Jiang, Sock Yong Phang, Jun Yu

Research Collection School Of Economics

Housing affordability for elderly homeowners involves an entirely different set of issues as compared to housing affordability for first-time homeowners. To afford to ‘age-in-place’ may require homeowners to access channels that enable them to withdraw their housing equity to finance consumption in retirement. We utilize data from the Singapore Life Panel© survey to empirically investigate the impact of housing equity on the consumption of elderly households. Based on panel analysis, we find housing equity value has no significant impact on non-durable consumption for elderly people. The conclusion holds for a battery of robustness checks. Moreover, heterogeneity analyses based on subsamples …

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Persistent And Rough Volatility, Xiaobin Liu, Shuping Shi, Jun Yu Nov 2020

Persistent And Rough Volatility, Xiaobin Liu, Shuping Shi, Jun Yu

Research Collection School Of Economics

This paper contributes to an ongoing debate on volatility dynamics. We introduce a discrete-time fractional stochastic volatility (FSV) model based on the fractional Gaussian noise. The new model has the same limit as the fractional integrated stochastic volatility (FISV) model under the in-fill asymptotic scheme. We study the theoretical properties of both models and introduce a memory signature plot for a model-free initial assessment. A simulated maximum likelihood (SML) method, which maximizes the time-domain log-likelihoods obtained by the importance sampling technique, is employed to estimate the model parameters. Simulation studies suggest that the SML method can accurately estimate both models. …

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Robust Virtual Implementation With Almost Complete Information, Takashi Kunimoto Nov 2020

Robust Virtual Implementation With Almost Complete Information, Takashi Kunimoto

Research Collection School Of Economics

Artemov, Kunimoto, and Serrano (2013a,b, henceforth, AKS) study a mechanism design problem where arbitrary restrictions are placed on the set of first-order beliefs of agents. Calling these restrictions Δ, they adopt Δ-rationalizability (Battigalli and Siniscalchi, 2003) and show that Δ-incentive compatibility and Δ-measurability are necessary and sufficient conditions for robust virtual implementation, which implies that virtual implementation is possible uniformly over all type spaces consistent with Δ-restrictions. By appropriately defining Δ in order to restrict attention to complete information environments and thereafter explicitly modelling the assumption of complete information in the language of type spaces, I re-establish the permissive implementation …

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A Ricardian Rationale For The Wto Rules On R&D Subsidies, Yumi Koh, Gea M. Lee Nov 2020

A Ricardian Rationale For The Wto Rules On R&D Subsidies, Yumi Koh, Gea M. Lee

Research Collection School Of Economics

The WTO subsidy rules use two key criteria, specificity and adverse effects, to regulate R&D subsidies. Using the model of Dornbusch et al. (1977), we offer a Ricardian rationale for the regulatory criteria.

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What Makes Administrative And Hierarchical Procedures More Burdensome? Effects Of Degree Of Procedures, Outcome Favorability, And Confucian Values On Red Tape Perception, M. Jae Moon, Jungsook Kim, Sehee Jung, Beomgeun Cho Nov 2020

What Makes Administrative And Hierarchical Procedures More Burdensome? Effects Of Degree Of Procedures, Outcome Favorability, And Confucian Values On Red Tape Perception, M. Jae Moon, Jungsook Kim, Sehee Jung, Beomgeun Cho

Research Collection School of Social Sciences

Public officials must not only comply with administrative procedures based on administrative rulebooks but also follow particular procedures requested by their supervisors in a bureaucratic system, which might be even more significant in a hierarchical culture. Noting that the impact of hierarchical procedures on red tape perception has not been extensively examined, this study investigates the potential difference in the effects of administrative and hierarchical procedures on the perception of red tape. Using a 2 × 2 × 2 experiment design to examine the effects of the nature of procedures, outcome favorability, and degree of procedures, vignette-based experiments were conducted …

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How Should We Understand The Digital Economy In Asia? Critical Assessment And Research Agenda, Kai Li, Dan J. Kim, Karl R. Lang, Robert J. Kauffman, Maurizio Naldi Nov 2020

How Should We Understand The Digital Economy In Asia? Critical Assessment And Research Agenda, Kai Li, Dan J. Kim, Karl R. Lang, Robert J. Kauffman, Maurizio Naldi

Research Collection School Of Computing and Information Systems

By Asian digital economy, we refer to high-tech developments, business and social transformations, and information-driven changes in the region's growth. We discuss its background and foundations, significance in Asia and contribution to removal of historical barriers in traditional business. We assess how new value chains are transforming country-level involvement in worldwide manufacturing and note "smiling curve theory" predictions about the global value chain in Asia for high-tech firms and their economies. The takeaway is that the digital economy in Asian nations involves revamping business processes through technology innovation, government policies for growth, and digital entrepreneurship. We analyze the "digital economy …

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A Secure Flexible And Tampering-Resistant Data Sharing System For Vehicular Social Networks, Jianfei Sun, Hu Xiong, Shufan Zhang, Ximeng Liu, Jiaming Yuan, Robert H. Deng Nov 2020

A Secure Flexible And Tampering-Resistant Data Sharing System For Vehicular Social Networks, Jianfei Sun, Hu Xiong, Shufan Zhang, Ximeng Liu, Jiaming Yuan, Robert H. Deng

Research Collection School Of Computing and Information Systems

Vehicular social networks (VSNs) have emerged as the promising paradigm of vehicular networks that can improve traffic safety, relieve traffic congestion and even provide comprehensive social services by sharing vehicular sensory data. To selectively share the sensory data with other vehicles in the vicinity and reduce the local storage burden of vehicles, the vehicular sensory data are usually outsourced to vehicle cloud server for sharing and searching. However, existing data sharing systems for VSNs can neither provide secure selective one-to-many data sharing and verifiable data retrieval over encrypted data nor ensure that the integrity of retrieved data. In this paper, …

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The Association Between Objective And Subjective Socioeconomic Standing And Subjective Well-Being: A Meta-Analysis, Jacinth J. X. Tan, Michael W. Kraus, Nichelle C. Carpenter, Nancy E. Adler Nov 2020

The Association Between Objective And Subjective Socioeconomic Standing And Subjective Well-Being: A Meta-Analysis, Jacinth J. X. Tan, Michael W. Kraus, Nichelle C. Carpenter, Nancy E. Adler

Research Collection School of Social Sciences

This meta-analysis tested if the links between socioeconomic status (SES) and subjective well-being (SWB) differ by whether SES is assessed objectively or subjectively. The associations between measures of objective SES (i.e., income and educational attainment), subjective SES (i.e., the MacArthur ladder SES and perceived SES), and SWB (i.e., happiness and life satisfaction) were synthesized across 357 studies, totaling 2,352,095 participants. Overall, the objective SES and subjective SES measures were moderately associated (r = .32). The subjective SES-SWB association (r = .22) was larger than the objective SES-SWB association (r = .16). The income-SWB association (r = .23) was comparable with …

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Divided Loyalties: Identity Integration And Cultural Cues Predict Ingroup Favoritism Among Biculturals, Chi-Ying Cheng, Kathrin J. Hanek, Annick C. Odom, Fiona Lee Nov 2020

Divided Loyalties: Identity Integration And Cultural Cues Predict Ingroup Favoritism Among Biculturals, Chi-Ying Cheng, Kathrin J. Hanek, Annick C. Odom, Fiona Lee

Research Collection School of Social Sciences

How do biculturals, or individuals who identify with more than one culture, manage their loyalties between two cultural ingroups? We argue that this process is moderated by Bicultural Identity Integration (BII), or individual differences in perceived conflict between two cultural identities. Two quasi-experiments examined biculturals’ preferences for two competing groups, each representing one of their cultural identities, in response to cultural primes. In Study 1, we found that Flemish-Belgian biculturals with low BII, or those who perceive their cultural identities as conflicting, favored the primed cultural group less than the unprimed cultural group. In Study 2, we found the same …

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The Myanmar Business Environment Index 2020: Measuring Economic Governance For Private Sector Development, Edmund Malesky, Dean C. Dulay, Ville Peltovuori Nov 2020

The Myanmar Business Environment Index 2020: Measuring Economic Governance For Private Sector Development, Edmund Malesky, Dean C. Dulay, Ville Peltovuori

Research Collection School of Social Sciences

The 2020 Myanmar Business Environment Index (MBEI) aims to identify constraints in Myanmar’s business regulatory environment and provide a tool for identifying reform opportunities that spur growth.

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A Tripartite Model Of Trust In Facebook: Acceptance Of Information Personalization, Privacy Concern, And Privacy Literacy, Sonny Rosenthal, Ole-Christian Wasenden, Gorm-Andreas Gronnevet, Rich Ling Nov 2020

A Tripartite Model Of Trust In Facebook: Acceptance Of Information Personalization, Privacy Concern, And Privacy Literacy, Sonny Rosenthal, Ole-Christian Wasenden, Gorm-Andreas Gronnevet, Rich Ling

Research Collection College of Integrative Studies

This study draws on the mental accounting perspective and a tripartite model of trust to explain why users trust Facebook. We argue that trust in Facebook is related to (1) trust in companies that collect personal data, (2) acceptance of information personalization, (3) low privacy concern, and (4) low privacy literacy. Further, we argue that privacy literacy amplifies the relationship between privacy concern and the other factors. This is because, among individuals with high privacy literacy, privacy concern is especially diagnostic of the potential harms of a loss of privacy. These arguments align broadly with theorizations about factors influencing privacy-related …

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Capitalising Product Associations In A Supermarket Retail Environment, Michelle L. F. Cheong, Yong Qing Chia Nov 2020

Capitalising Product Associations In A Supermarket Retail Environment, Michelle L. F. Cheong, Yong Qing Chia

Research Collection School Of Computing and Information Systems

This paper explores methods to capitalise on retail companies’ transactional databases, to mine meaningful product associations, and to design product placement strategies as a means to drive sales. We implemented three in-store initiatives based on our hypotheses – placing products with high associations together will induce an increase in sales of consequent; introducing an antecedent that is new to store will bring about a similar impact on sales of consequent based on established product association rules uncovered from other stores. Sales tracking over twelve weeks revealed that there were improvements in sales of consequents across all three initiatives performed in-store.

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Coupled Hierarchical Transformer For Stance-Aware Rumor Verification In Social Media Conversations, Jianfei Yu, Jing Jiang, Ling Min Serena Khoo, Hai Leong Chieu, Rui Xia Nov 2020

Coupled Hierarchical Transformer For Stance-Aware Rumor Verification In Social Media Conversations, Jianfei Yu, Jing Jiang, Ling Min Serena Khoo, Hai Leong Chieu, Rui Xia

Research Collection School Of Computing and Information Systems

The prevalent use of social media enables rapid spread of rumors on a massive scale, which leads to the emerging need of automatic rumor verification (RV). A number of previous studies focus on leveraging stance classification to enhance RV with multi-task learning (MTL) methods. However, most of these methods failed to employ pre-trained contextualized embeddings such as BERT, and did not exploit inter-task dependencies by using predicted stance labels to improve the RV task. Therefore, in this paper, to extend BERT to obtain thread representations, we first propose a Hierarchical Transformer1 , which divides each long thread into shorter subthreads, …

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