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Articles 331 - 360 of 826

Full-Text Articles in Communication

Social Capital Of Directors And Corporate Governance: A Social Network Analysis, Zihan Niu, Christopher C. H. Chen Jul 2017

Social Capital Of Directors And Corporate Governance: A Social Network Analysis, Zihan Niu, Christopher C. H. Chen

Research Collection Yong Pung How School Of Law

This Article examines how a director’s social capital might affect his or her behavior, the board’s performance, and corporate governance, as well as the potential normative implications of the director’s social network. We argue that the quality of board performance could be improved where the social network closure within the board is high and there are many non-redundant contacts beyond the board. Network closure can improve trust and collaboration within a board, while external contacts may benefit a company with more diverse sources of information. Moreover, different network positioning leads to the inequality of social capital for directors. With more …

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Understanding Music Track Popularity In A Social Network, Jing Ren, Robert J. Kauffman Jun 2017

Understanding Music Track Popularity In A Social Network, Jing Ren, Robert J. Kauffman

Research Collection School Of Computing and Information Systems

Thousands of music tracks are uploaded to the Internet every day through websites and social networks that focus on music. While some content has been popular for decades, some tracks that have just been released have been ignored. What makes a music track popular? Can the duration of a music track’s popularity be explained and predicted? By analysing data on the performance of a music track on the ranking charts, coupled with the creation of machine-generated music semantics constructs and a variety of other track, artist and market descriptors, this research tests a model to assess how track popularity and …

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Culturally-Grounded Analysis Of Everyday Creativity In Social Media: A Case Study In Qatari Context, D. Fox Harrell, Sarah Vieweg, Haewoon Kwak, Chong-U Lim, Sercan Sengun, Ali Jahanian, Pablo. Ortiz Jun 2017

Culturally-Grounded Analysis Of Everyday Creativity In Social Media: A Case Study In Qatari Context, D. Fox Harrell, Sarah Vieweg, Haewoon Kwak, Chong-U Lim, Sercan Sengun, Ali Jahanian, Pablo. Ortiz

Research Collection School Of Computing and Information Systems

In deploying social media and other information technologies often not designed with MENA (the Middle East and North Africa) cultures in mind, users generate creative approaches to self-representation using virtual identities while preserving their cultural values. To understand and further empower such approaches, we present a mixed-method of computational and qualitative study, focusing on Qatar as a case of such communities in the MENA region. We analyzed a dataset of over 42,000 publicly available social media profiles using computational approaches (archetypal analysis) and qualitatively analyzed a separate set of 255 profiles. We augmented our descriptions with semi-structured interviews. As a …

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The Retransmission Of Rumor And Rumor Correction Messages On Twitter, Alton Y. K. Chua, Cheng-Ying Tee, Augustine Pang, Ee-Peng Lim Jun 2017

The Retransmission Of Rumor And Rumor Correction Messages On Twitter, Alton Y. K. Chua, Cheng-Ying Tee, Augustine Pang, Ee-Peng Lim

Research Collection Lee Kong Chian School Of Business

This article seeks to examine the relationships among source credibility, message plausibility, message type (rumor or rumor correction) and retransmission of tweets in a rumoring situation. From a total of 5,885 tweets related to the rumored death of the founding father of Singapore Lee Kuan Yew, 357 original tweets without an “RT” prefix were selected and analyzed using negative binomial regression analysis. The results show that source credibility and message plausibility are correlated with retransmission. Also, rumor correction tweets are retweeted more than rumor tweets. Moreover, message type moderates the relationship between source credibility and retransmission as well as that …

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Delia Albert [Philippines, Secretary Of Foreign Affairs], Delia Albert May 2017

Delia Albert [Philippines, Secretary Of Foreign Affairs], Delia Albert

Digital Narratives of Asia

Former Philippines Secretary of Foreign Affairs and a respected champion on women’s issues, Delia Albert, tells of how she got her big break entering the foreign services, and set a precedent for gender equality. She also presents the Asian style of leadership, ASEAN way of mitigating conflicts, and describes a highly stressful case of saving a Filipino man in Iraq.

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Messaging Without A Message: Executive Value And Social Media Activity, Ru Gao, Gilles Hilary, Rencheng Wang May 2017

Messaging Without A Message: Executive Value And Social Media Activity, Ru Gao, Gilles Hilary, Rencheng Wang

Research Collection School Of Accountancy

We show that executives who start tweeting benefit from better career options. We motivate this finding using the well-established theory of limited attention. Consistent with this explanation, we find that content is irrelevant. Comparative statics are also consistent with our framework. In particular, the effect of Twitter is greater for executives who were largely unrecognized and who were underpaid before they started tweeting, who garner greater public attention from their social media activity, who enjoy higher professional mobility, and who operate in environments where compensation setting is less structured.

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Exploiting Contextual Information For Fine-Grained Tweet Geolocation, Wen Haw Chong, Ee Peng Lim May 2017

Exploiting Contextual Information For Fine-Grained Tweet Geolocation, Wen Haw Chong, Ee Peng Lim

Research Collection School Of Computing and Information Systems

The problem of fine-grained tweet geolocation is to link tweets to their posting venues. We solve this in a learning to rank framework by ranking candidate venues given a test tweet. The problem is challenging as tweets are short and the vast majority are non-geocoded, meaning information is sparse for building models. Nonetheless, although only a small fraction of tweets are geocoded, we find that they are posted by a substantial proportion of users. Essentially, such users have location history data. Along with tweet posting time, these serve as additional contextual information for geolocation. In designing our geolocation models, we …

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Discovering Your Selling Points: Personalized Social Influential Tags Exploration, Yuchen Li, Kian-Lee Tan, Ju Fan, Dongxiang Zhang May 2017

Discovering Your Selling Points: Personalized Social Influential Tags Exploration, Yuchen Li, Kian-Lee Tan, Ju Fan, Dongxiang Zhang

Research Collection School Of Computing and Information Systems

Social influence has attracted significant attention owing to the prevalence of social networks (SNs). In this paper, we study a new social influence problem, called personalized social influential tags exploration (PITEX), to help any user in the SN explore how she influences the network. Given a target user, it finds a size-k tag set that maximizes this user’s social influence. We prove the problem is NP-hard to be approximated within any constant ratio. To solve it, we introduce a sampling-based framework, which has an approximation ratio of 1−ǫ 1+ǫ with high probabilistic guarantee. To speedup the computation, we devise more …

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Fusing Social Media And Mobile Analytics For Urban Sense-Making, Archan Misra May 2017

Fusing Social Media And Mobile Analytics For Urban Sense-Making, Archan Misra

Research Collection School Of Computing and Information Systems

The project was motivated by the observation that urban environments are increasingly characterized by a variety of non-traditional “sensors”, whose data streams can be harnessed to infer a variety of latent events and urban context. For example, users spontaneously generate huge amounts of content (text, images and video) on social network channels, whereas GPS & other sensors on taxis and buses increasingly provide near-real time traces of their movement throughout the city. Similarly, advances in Wi-Fi based sensing allow us to passively capture the individual and collective movement of visitors across various public spaces, such as college campuses, museums and …

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Persona Generation From Aggregated Social Media Data, Soon-Gyo Jung, Jisun An, Haewoon Kwak, Moeed Ahmad, Lene Nielsen, Bernard J. Jansen May 2017

Persona Generation From Aggregated Social Media Data, Soon-Gyo Jung, Jisun An, Haewoon Kwak, Moeed Ahmad, Lene Nielsen, Bernard J. Jansen

Research Collection School Of Computing and Information Systems

We develop a methodology for persona generation using real time social media data for the distribution of products via online platforms. From a large social media account containing more than 30 million interactions from users from 181 countries engaging with more than 4,200 digital products produced by a global media corporation, we demonstrate that our methodology can first identify both distinct and impactful user segments and then create persona descriptions by automatically adding pertinent features, such as names, photos, and personal attributes. We validate our approach by implementing the methodology into an actual working system that leverages large scale online …

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Fostering Parasocial Relationships With Celebrities On Social Media: Implications For Celebrity Endorsement, Siyoung Chung, Hichang Cho Apr 2017

Fostering Parasocial Relationships With Celebrities On Social Media: Implications For Celebrity Endorsement, Siyoung Chung, Hichang Cho

Research Collection Lee Kong Chian School of Business

The purpose of this study was to explore the underlying mechanisms through which the use of social media affects endorser effectiveness. Based on theories related to parasocial relationships,self-disclosure, and celebrity endorsement, this study proposed a theoretical research model and empirically tested the model using online survey data collected from 400 Korean Wave fans in Singapore. The results showed that consumers’ parasocial interactions with celebrities though social media have a positive impact on celebrity endorsement. Specifically, we found that: (1) parasocial relationships mediated the relationships between social media interactions and source trustworthiness, (2) social media interactions influenced parasocial relationships via self-disclosure;and …

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Ethnic Social Network In Public Housing Market In Singapore, Sumit Agarwal, Hyunsoo Choi, Jia He, Tien Foo Sing Apr 2017

Ethnic Social Network In Public Housing Market In Singapore, Sumit Agarwal, Hyunsoo Choi, Jia He, Tien Foo Sing

Research Collection Lee Kong Chian School Of Business

This paper investigates the ethnic social network in Singapore's resale public housing market using a unique dataset containing the Cash-Over-Valuation (COV) information for a sample of 73,107 resale public housing transactions from 2007 to 2012. We find that the COV per square meter (psm), which represents a premium above the "objective" housing value, significantly increases with the concentration of buyers' own ethnic group at a housing block level. The results imply that buyers value housing blocks with higher concentration of the same ethnicity group of households. However, the convexity in COV premium suggests that the premium is too large to …

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On Analyzing User Topic-Specific Platform Preferences Across Multiple Social Media Sites, Roy Ka Wei Lee, Tuan Anh Hoang, Ee Peng Lim Apr 2017

On Analyzing User Topic-Specific Platform Preferences Across Multiple Social Media Sites, Roy Ka Wei Lee, Tuan Anh Hoang, Ee Peng Lim

Research Collection School Of Computing and Information Systems

Topic modeling has traditionally been studied for single text collections and applied to social media data represented in the form of text documents. With the emergence of many social media platforms, users find themselves using different social media for posting content and for social interaction. While many topics may be shared across social media platforms, users typically show preferences of certain social media platform(s) over others for certain topics. Such platform preferences may even be found at the individual level. To model social media topics as well as platform preferences of users, we propose a new topic model known as …

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Collective Entity Linking In Tweets Over Space And Time, Wen Haw Chong, Ee-Peng Lim, William Cohen Apr 2017

Collective Entity Linking In Tweets Over Space And Time, Wen Haw Chong, Ee-Peng Lim, William Cohen

Research Collection School Of Computing and Information Systems

We propose collective entity linking over tweets that are close in space and time. This exploits the fact that events or geographical points of interest often result in related entities being mentioned in spatio-temporal proximity. Our approach directly applies to geocoded tweets. Where geocoded tweets are overly sparse among all tweets, we use a relaxed version of spatial proximity which utilizes both geocoded and non-geocoded tweets linked by common mentions. Entity linking is affected by noisy mentions extracted and incomplete knowledge bases. Moreover, to perform evaluation on the entity linking results, much manual annotation of mentions is often required. To …

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Modeling Topics And Behavior Of Microbloggers: An Integrated Approach, Tuan Anh Hoang, Ee-Peng Lim Apr 2017

Modeling Topics And Behavior Of Microbloggers: An Integrated Approach, Tuan Anh Hoang, Ee-Peng Lim

Research Collection School Of Computing and Information Systems

Microblogging encompasses both user-generated content and behavior. When modeling microblogging data, one has to consider personal and background topics, as well as how these topics generate the observed content and behavior. In this article, we propose the Generalized Behavior-Topic (GBT) model for simultaneously modeling background topics and users' topical interest in microblogging data. GBT considers multiple topical communities (or realms) with different background topical interests while learning the personal topics of each user and the user's dependence on realms to generate both content and behavior. This differentiates GBT from other previous works that consider either one realm only or content …

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Now You See It, Now You Don't! A Study Of Content Modification Behavior In Facebook, Fuxiang Chen, Ee-Peng Lim Apr 2017

Now You See It, Now You Don't! A Study Of Content Modification Behavior In Facebook, Fuxiang Chen, Ee-Peng Lim

Research Collection School Of Computing and Information Systems

Social media, as a major platform to disseminate information, has changed the way users and communities contribute content. In this paper, we aim to study content modifications on public Facebook pages operated by news media, community groups, and bloggers. We also study the possible reasons behind them, and their effects on user interaction. We conducted a detailed study of Content Censorship (CC) and Content Edit (CE) in Facebook using a detailed longitudinal dataset consisting of 57 public Facebook pages over 3 weeks covering 145,955 posts and 9,379,200 comments. We detected many CC and CE activities between 28% and 56% of …

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Understanding Public Relations In The 'Sharing Economy', Anne Gregory, Gregor Halff Mar 2017

Understanding Public Relations In The 'Sharing Economy', Anne Gregory, Gregor Halff

Research Collection Lee Kong Chian School Of Business

In spite of the macro-economic impact of the so-called ‘sharing economy’ there is a nearly complete dearth of contributions from the communication academy to its discourse. More attention is overdue, particularly for the conceptual pressure the ‘sharing economy’ is exerting on the public relations function. The authors propose a reconceptualization of public relations by identifying the constitutive aspects of the sharing economy and bringing together the explanatory concepts ‘circuits of commerce’ and ‘viable matches’ from economic sociology and communicative constitution of organizations theory to develop the notions of ‘deliberate disintermediation’ and ‘circuits of communication’ in public relations. The contention is …

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Inferring User Consumption Preferences From Social Media, Yang Li, Jing Jiang, Ting Liu Mar 2017

Inferring User Consumption Preferences From Social Media, Yang Li, Jing Jiang, Ting Liu

Research Collection School Of Computing and Information Systems

Social Media has already become a new arena of our lives and involved different aspects of our social presence. Users' personal information and activities on social media presumably reveal their personal interests, which offer great opportunities for many e-commerce applications. In this paper, we propose a principled latent variable model to infer user consumption preferences at the category level (e.g. inferring what categories of products a user would like to buy). Our model naturally links users' published content and following relations on microblogs with their consumption behaviors on e-commerce websites. Experimental results show our model outperforms the state-of-the-art methods significantly …

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Recharge On The Go For The Busy Bee, Singapore Management University Feb 2017

Recharge On The Go For The Busy Bee, Singapore Management University

Perspectives@SMU

Human interactions can be energising and bring vitality to employees

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Modeling Adoption Dynamics In Social Networks, Minh Duc Luu Feb 2017

Modeling Adoption Dynamics In Social Networks, Minh Duc Luu

Dissertations and Theses Collection

This dissertation studies the modeling of user-item adoption dynamics where an item can be an innovation, a piece of contagious information or a product. By “adoption dynamics” we refer to the process of users making decision choices to adopt items based on a variety of user and item factors. In the context of social networks, “adoption dynamics” is closely related to “item diffusion”. When a user in a social network adopts an item, she may influence her network neighbors to adopt the item. Those neighbors of her who adopt the item then continue to trigger more adoptions. As this progress …

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Determinants Of Employee Turnover Intention: Understanding The Roles Of Organizational Justice, Supervisory Justice, Authoritarian Organizational Culture And Organization-Employee Relationship Quality, Soojin Kim, Lisa Tam, Jeong-Nam Kim, Yunna Rhee Feb 2017

Determinants Of Employee Turnover Intention: Understanding The Roles Of Organizational Justice, Supervisory Justice, Authoritarian Organizational Culture And Organization-Employee Relationship Quality, Soojin Kim, Lisa Tam, Jeong-Nam Kim, Yunna Rhee

Research Collection Lee Kong Chian School Of Business

Purpose: The purpose of this paper is to identify associations amongst organizational justice, supervisory justice, authoritarian culture, organization-employeerelationship quality and employee turnover intention. Design/methodology/approach: An online survey (n=300) was conducted in South Korea. Findings: Organizational justice and supervisory justice are positively associated with organization-employee relationship quality, while authoritarian organizational culture is negatively associated with it. In addition, there is a positive association between authoritarian organizational culture and turnover intention. Organizational justice and organization-employee relationship quality are negatively associated with turnover intention. Originality/value: This study contributes to the lack of research on organization-employee relationship quality as a predictor of employee turnover …

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What Case Studies Can Teach Us In International Public Relations, Gregor Halff Feb 2017

What Case Studies Can Teach Us In International Public Relations, Gregor Halff

Research Collection Lee Kong Chian School Of Business

No abstract provided.

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Harnessing Twitter To Support Serendipitous Learning Of Developers, Abhabhisheksh Sharma, Yuan Tian, Agus Sulistya, David Lo, Aiko Yamashita Feb 2017

Harnessing Twitter To Support Serendipitous Learning Of Developers, Abhabhisheksh Sharma, Yuan Tian, Agus Sulistya, David Lo, Aiko Yamashita

Research Collection School Of Computing and Information Systems

Developers often rely on various online resources, such as blogs, to keep themselves up-to-date with the fast pace at which software technologies are evolving. Singer et al. found that developers tend to use channels such as Twitter to keep themselves updated and support learning, often in an undirected or serendipitous way, coming across things that they may not apply presently, but which should be helpful in supporting their developer activities in future. However, identifying relevant and useful articles among the millions of pieces of information shared on Twitter is a non-trivial task. In this work to support serendipitous discovery of …

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Discovering Burst Patterns Of Burst Topic In Twitter, Guozhong Dong, Wu Yang, Feida Zhu, Wei Wang Feb 2017

Discovering Burst Patterns Of Burst Topic In Twitter, Guozhong Dong, Wu Yang, Feida Zhu, Wei Wang

Research Collection School Of Computing and Information Systems

Twitter has become one of largest social networks for users to broadcast burst topics. There have been many studies on how to detect burst topics. However, mining burst patterns in burst topics has not been solved by the existing works. In this paper, we investigate the problem of mining burst patterns of burst topic in Twitter. A burst topic user graph model is proposed, which can represent the topology structure of burst topic propagation across a large number of Twitter users. Based on the model, hierarchical clustering is applied to cluster burst topics and reveal burst patterns from the macro …

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Lay Health Epistemics And Motivated Information Behaviors Of New Food Technology, Soojin Kim, Jeong-Nam Kim, Soo-Yun Kim Jan 2017

Lay Health Epistemics And Motivated Information Behaviors Of New Food Technology, Soojin Kim, Jeong-Nam Kim, Soo-Yun Kim

Research Collection Lee Kong Chian School Of Business

This study examines relationships among health information orientation, situational perceptual frames, and active information behaviors pertinent to the safety controversy of genetically-modified (GM) food technology. A web survey was conducted in the US (N = 393). Based on our findings, an integrative model of Kim and Grunig’s (2011) Situational Theory of Problem Solving (STOPS) and Dutta-Bergman’s (2004) concept of health information orientation is suggested to explain lay health epistemics and various information behaviors about that new food technology. The study’s theoretical and practical implications are discussed.

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Understanding Anti-Government Sentiment And The Public's Anti-Corruption Behavior: The Roles Of Perceived Ethics Failure, Emotional Leadership, And Communication Strategy, Soojin Kim, Laishan Tam, Seung Bach Jan 2017

Understanding Anti-Government Sentiment And The Public's Anti-Corruption Behavior: The Roles Of Perceived Ethics Failure, Emotional Leadership, And Communication Strategy, Soojin Kim, Laishan Tam, Seung Bach

Research Collection Lee Kong Chian School Of Business

This study tests relationships among anti-governmentsentiment, their antecedents and their outcomes. A Web survey was conducted in India,South Korea, and the United States. Results show that the public’s perceptionsof their government’s ethics failure, lack of emotional leadership, and use ofbuffering strategy as a communication strategy for the public are related totheir anti-government sentiments against their incumbent governments. Inaddition, positive associations were found between anti-government sentimentand the public’s communicative and behavioral intention for anti-corruptionbehavior. Theoretical and empirical implications are discussed.

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Voices That Care: Bringing Speech, Weh Yeoh Jan 2017

Voices That Care: Bringing Speech, Weh Yeoh

Social Space

Nelson Mandela once said, “Education is the most powerful weapon which you can use to change the world.” The only issue is, not everyone has access to education.

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Youth And Social Media: Power To Empower?, Sujith Kumar Prankumar Jan 2017

Youth And Social Media: Power To Empower?, Sujith Kumar Prankumar

Social Space

Much has been written on social media and how it has positively revolutionised communication and information transmission. The infl uence of social media is indubitable—it reaches anyone with an Internet connection, no matter their geographic location or socioeconomic status. This means information that was previously out of reach for isolated and less well-off communities is now accessible by more people than ever before. For example, University College London’s “Why We Post” social media anthropology project—conducted by nine researchers in nine different communities over 15 months—found that communities that have traditionally received comparatively lower levels of schooling now have access to …

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Good Reads: Best Books For Social Entrepreneurs And Changemakers, Jay Boolkin Jan 2017

Good Reads: Best Books For Social Entrepreneurs And Changemakers, Jay Boolkin

Social Space

Just as professional athletes mould their bodies into lean, mean performance machines, so too is there a need for social entrepreneurs to get their brains in shape. In fact, research shows that the brain works like a muscle which grows and gets stronger as you learn—and one of the best ways to boost one’s brainpower is by reading. So if you’re an aspiring changemaker, what are some titles to add to your book list? JAY BOOLKIN reviews the literature and narrows it down to just eleven.

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More Power To Youth: 6 Ted Talks To Empower Young Minds, Jay Boolkin Jan 2017

More Power To Youth: 6 Ted Talks To Empower Young Minds, Jay Boolkin

Social Space

Youth empowerment refers to young people embodying their agency and capacity to make decisions and implement changes in their own lives and in wider society. At its core, it is rooted in the attitudes, cultures and structures that young people participate in within society. When youth acquire the authority and ability to envision, map, execute, critique and challenge their reality, it opens up opportunities to change the world as we know it. The materialisation of youth empowerment can lead to unparalleled social benefi ts, including reduced unemployment, poverty eradication, THE SHORT LIST More Power To Youth 6 TED Talks to …

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