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Articles 601 - 630 of 826

Full-Text Articles in Communication

Talk Versus Work: Characteristics Of Developer Collaboration On The Jazz Platform, Subhajit Datta, Renuka Sindhgatta, Bikram Sengupta Oct 2012

Talk Versus Work: Characteristics Of Developer Collaboration On The Jazz Platform, Subhajit Datta, Renuka Sindhgatta, Bikram Sengupta

Research Collection School Of Computing and Information Systems

IBM's Jazz initiative offers a state-of-the-art collaborative development environment (CDE) facilitating developer interactions around interdependent units of work. In this paper, we analyze development data across two versions of a major IBM product developed on the Jazz platform, covering in total 19 months of development activity, including 17,000+ work items and 61,000+ comments made by more than 190 developers in 35 locations. By examining the relation between developer talk and work, we find evidence that developers maintain a reasonably high level of connectivity with peer developers with whom they share work dependencies, but the span of a developer's communication goes …

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Putting Their Best Foot Forward: Emotional Disclosure On Facebook, Lin Qiu, Han Lin, Angela K. Y. Leung, William Tov Oct 2012

Putting Their Best Foot Forward: Emotional Disclosure On Facebook, Lin Qiu, Han Lin, Angela K. Y. Leung, William Tov

Research Collection School of Social Sciences

Facebook has become a widely used online self-representation and communication platform. In this research, we focus on emotional disclosure on Facebook. We conducted two studies, and results from both self-report and observer rating show that individuals are more likely to express positive relative to negative emotions and present better emotional well-being on Facebook than in real life. Our study is the first to demonstrate impression management on Facebook through emotional disclosure. We discuss important theoretical and practical implications of our study.

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Content Contribution For Revenue Sharing And Reputation: A Dynamic Structural Model, Qian Tang, Bin Gu, Andrew B. Whinston Oct 2012

Content Contribution For Revenue Sharing And Reputation: A Dynamic Structural Model, Qian Tang, Bin Gu, Andrew B. Whinston

Research Collection School Of Computing and Information Systems

This study examines the incentives for content contribution in social media. We propose that exposure and reputation are the major incentives for contributors. Besides, as more and more social media Web sites offer advertising-revenue sharing with some of their contributors, shared revenue provides an extra incentive for contributors who have joined revenue-sharing programs. We develop a dynamic structural model to identify a contributor's underlying utility function from observed contribution behavior. We recognize the dynamic nature of the content-contribution decision-that contributors are forward-looking, anticipating how their decisions affect future rewards. Using data collected from YouTube, we show that content contribution is …

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Does Paying For Online Product Reviews Pay Off? The Effects Of Monetary Incentives On Content Creators And Consumers, Andrew Stephen, Yakov Bart, Christilene Du Plessis, Dilney Goncalves Oct 2012

Does Paying For Online Product Reviews Pay Off? The Effects Of Monetary Incentives On Content Creators And Consumers, Andrew Stephen, Yakov Bart, Christilene Du Plessis, Dilney Goncalves

Research Collection Lee Kong Chian School Of Business

We show that although incentivizing product reviews results in more helpful content, disclosing payment lowers review consumers’ product quality expectations. This effect occurs because disclosure induces doubt in product quality and persists when more objective information is available, irrespective of disclosure specificity, across product categories and even after product trial.

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Observatory Of Trends In Software Related Microblogs, Achananuparp Palakorn, Nelman Lubis Ibrahim, Yuan Tian, David Lo, Ee Peng Lim Sep 2012

Observatory Of Trends In Software Related Microblogs, Achananuparp Palakorn, Nelman Lubis Ibrahim, Yuan Tian, David Lo, Ee Peng Lim

Research Collection School Of Computing and Information Systems

Microblogging has recently become a popular means to disseminate information among millions of people. Interestingly, software developers also use microblog to communicate with one another. Different from traditional media, microblog users tend to focus on recency and informality of content. Many tweet contents are relatively more personal and Opinionated, compared to that of traditional news report. Thus, by analyzing microblogs, one could get the up-to-date information about what people are interested in or feel toward a particular topic. In this paper, we describe our microblog observatory that aggregates more than 70,000 Twitter feeds, captures software-related tweets, and computes trends from …

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Automatic Classification Of Software Related Microblogs, Philips Kokoh Prasetyo, David Lo, Achananuparp Palakorn, Yuan Tian, Ee Peng Lim Sep 2012

Automatic Classification Of Software Related Microblogs, Philips Kokoh Prasetyo, David Lo, Achananuparp Palakorn, Yuan Tian, Ee Peng Lim

Research Collection School Of Computing and Information Systems

Millions of people, including those in the software engineering communities have turned to microblogging services, such as Twitter, as a means to quickly disseminate information. A number of past studies by Treude et al., Storey, and Yuan et al. have shown that a wealth of interesting information is stored in these microblogs. However, microblogs also contain a large amount of noisy content that are less relevant to software developers in engineering software systems. In this work, we perform a preliminary study to investigate the feasibility of automatic classification of microblogs into two categories: relevant and irrelevant to engineering software systems. …

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(Hidden) Social Influences In Switching Mobile Service Platforms, Virpi K. Tuunainen, Tuure Tuunanen, Fiona Fui-Hoon Nah Aug 2012

(Hidden) Social Influences In Switching Mobile Service Platforms, Virpi K. Tuunainen, Tuure Tuunanen, Fiona Fui-Hoon Nah

Research Collection School Of Computing and Information Systems

During the past few years, the mobile industry has gone through a radical change from business focusing on excellence in device manufacturing and supply chain management to ecosystems around successful focal players, such as Apple and Google, controlling these service platforms. In order to compete in this environment, these firms need to understand what makes a consumer switch between these mobile service platforms. To that end, we conducted an inductive qualitative study with university students from Finland and USA as subjects (142 altogether), delving into how and why consumers switch mobile phones, and what are the factors affecting their decisions. …

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Lope De Aguirre, The Tyrant, And The Prince: Convergence And Divergence In Postcolonial Collective Memory, Jennifer Kate Estava Davis Jul 2012

Lope De Aguirre, The Tyrant, And The Prince: Convergence And Divergence In Postcolonial Collective Memory, Jennifer Kate Estava Davis

Research Collection Centre for English Communication

In Latin America, collective remembering is shaped by stories of colonizers whose voracious ambitions left an indelible mark on the landscape and its people. This essay examines a set of narratives about a legendary colonizer, Lope de Aguirre, that continue to be invoked in the collective imagination on the island of Margarita, in Venezuela. Drawing on Bormann’s Symbolic Convergence Theory and Bakhtin’s work on cultural discourse, this analysis shows that on the one hand, the narratives converge to support official records of Aguirre as an archetype of colonial brutality. Yet on the other, alternate versions of the stories reveal a …

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Finding Bursty Topics From Microblogs, Qiming Diao, Jing Jiang, Feida Zhu, Ee Peng Lim Jul 2012

Finding Bursty Topics From Microblogs, Qiming Diao, Jing Jiang, Feida Zhu, Ee Peng Lim

Research Collection School Of Computing and Information Systems

Microblogs such as Twitter reflect the general public’s reactions to major events. Bursty topics from microblogs reveal what events have attracted the most online attention. Although bursty event detection from text streams has been studied before, previous work may not be suitable for microblogs because compared with other text streams such as news articles and scientific publications, microblog posts are particularly diverse and noisy. To find topics that have bursty patterns on microblogs, we propose a topic model that simultaneousy captures two observations: (1) posts published around the same time are more likely to have the same topic, and (2) …

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Detecting Anomalous Twitter Users By Extreme Group Behaviors, Hanbo Dai, Ee-Peng Lim, Feida Zhu, Hwee Hwa Pang Jul 2012

Detecting Anomalous Twitter Users By Extreme Group Behaviors, Hanbo Dai, Ee-Peng Lim, Feida Zhu, Hwee Hwa Pang

Research Collection School Of Computing and Information Systems

Twitter has enjoyed tremendous popularity in the recent years. To help categorizing and search tweets, Twitter users assign hashtags to their tweets. Given that hashtag assignment is the primary way to semantically categorizing and search tweets, it is highly susceptible to abuse by spammers and other anomalous users [1]. Popular hashtags such as #Obama and #ladygaga could be hijacked by having them added to unrelated tweets with the intent of misleading many other users or promoting specific agenda to the users. The users performing this act are known as the hashtag hijackers. As the hijackers usually abuse common sets of …

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Clustered Subsampling For Clinically Informed Diagnostic Brain Mapping, Malin Björnsdotter, Diego Sona, Sonny Rosenthal, Justin Dauwels Jul 2012

Clustered Subsampling For Clinically Informed Diagnostic Brain Mapping, Malin Björnsdotter, Diego Sona, Sonny Rosenthal, Justin Dauwels

Research Collection College of Integrative Studies

Brain based diagnostic systems have recently received attention as a tool in the characterization and diagnosis of a variety of neurodevelopmental and psychiatric disorders. Nonetheless, a majority of disorders are still diagnosed entirely based on symptom assessments and behavioral correlates. We therefore propose a method for fusing brain responses with clinical measures for improved diagnosis. To this end, we utilized the flexibility of clustered random subspace brain mapping to detect regions where brain responses in conjunction with a clinical measure could reliably differentiate patients from control subjects. We demonstrate the approach on realistically simulated functional magnetic resonance imaging (fMRI) brain …

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Topic Discovery From Tweet Replies, Bingtian Dai, Ee Peng Lim, Philips Kokoh Prasetyo Jul 2012

Topic Discovery From Tweet Replies, Bingtian Dai, Ee Peng Lim, Philips Kokoh Prasetyo

Research Collection School Of Computing and Information Systems

Twitter is a popular online social information network service which allows people to read and post messages up to 140 characters, known as “tweets”. In this paper, we focus on the tweets between pairs of individuals, i.e., the tweet replies, and propose a generative model to discover topics among groups of twitter users. Our model has then been evaluated with a tweet dataset to show its effectiveness.

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When A Friend In Twitter Is A Friend In Life, Wei Xie, Cheng Li, Feida Zhu, Ee-Peng Lim, Xueqing Gong Jun 2012

When A Friend In Twitter Is A Friend In Life, Wei Xie, Cheng Li, Feida Zhu, Ee-Peng Lim, Xueqing Gong

Research Collection School Of Computing and Information Systems

Twitter is a fast-growing online social network service (SNS) where users can "follow" any other user to receive his or her mini-blogs which are called "tweets". In this paper, we study the problem of identifying a user's off-line real-life social community, which we call the user'sTwitter off-line community, purely from examining Twitter network structure. Based on observations from our user-verified Twitter data and results from previous works, we propose three principles about Twitter off-line communities. Incorporating these principles, we develop a novel algorithm to iteratively discover the Twitter off-line community based on a new way of measuring user closeness. According …

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Visualizing Media Bias Through Twitter, Jisun An, Meeyoung Cha, Gummadi, Krishna, Jon Crowcroft, Daniele Queria Jun 2012

Visualizing Media Bias Through Twitter, Jisun An, Meeyoung Cha, Gummadi, Krishna, Jon Crowcroft, Daniele Queria

Research Collection School Of Computing and Information Systems

Traditional media outlets are known to report political news in a biased way, potentially affecting the political beliefs of the audience and even altering their voting behaviors. Therefore, tracking bias in everyday news and building a platform where people can receive balanced news information is important. We propose a model that maps the news media sources along a dimensional dichotomous political spectrum using the co-subscriptions relationships inferred by Twitter links. By analyzing 7 million follow links, we show that the political dichotomy naturally arises on Twitter when we only consider direct media subscription. Furthermore, we demonstrate a real-time Twitter-based application …

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Negotiating Crisis In The New Media Environment: Evolution Of Crises Online, Gaining Legitimacy Offline, Augustine Pang, Nasrath Begam Abul Hassan, Aaron Chee Yang Chong Jun 2012

Negotiating Crisis In The New Media Environment: Evolution Of Crises Online, Gaining Legitimacy Offline, Augustine Pang, Nasrath Begam Abul Hassan, Aaron Chee Yang Chong

Research Collection Lee Kong Chian School Of Business

This study examines how crises originate online, how different new media platforms escalate crises, and how issues become legitimized offline when they transit onto mainstream media. We study five social media crises, which includes United breaks guitars and Southwest Air’s too fat to fly. Crises are triggered online when stakeholders are empowered by new media platforms that allow user-generated content to be posted online without any filtering. Facebook, YouTube and Twitter emerge as top crises breeding grounds due to their large user base and the lack of gatekeeping. Facebook and blogs are responsible for escalating crises beyond the immediate stakeholder …

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Repairing An Organization’S Image In Times Of Crises: What Strategies To Use When?, Augustine Pang, Benjamin Meng-Keng Ho, Nuraini Malik Jun 2012

Repairing An Organization’S Image In Times Of Crises: What Strategies To Use When?, Augustine Pang, Benjamin Meng-Keng Ho, Nuraini Malik

Research Collection Lee Kong Chian School Of Business

The image repair theory has been described as the “dominant paradigm for examining corporate communication in times of crises” (Dardis & Haigh, 2009, p. 101). While the theory, which posits five major strategies and 14 sub-strategies, has been applied extensively, a fundamental question remains: What strategies should be used when? Through meta-analysis of the image repair studies, we examine the persuasiveness/effectiveness in the use of different strategies. This study addresses the call by Haigh and Brubaker (2010) to conduct more studies to understand the use of strategies across different crisis types with a view to providing a template to equip …

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Corporate Image Vacuum: Nature, Characteristics And Implications For The Organization, Noraizah Zainal Abidin, Augustine Pang Jun 2012

Corporate Image Vacuum: Nature, Characteristics And Implications For The Organization, Noraizah Zainal Abidin, Augustine Pang

Research Collection Lee Kong Chian School Of Business

A good corporate image is important to organizations (Benoit & Pang, 2008). Even then, some organizations do not have one (Bernstein, 1984/1989; Walker, 2010). Arguably the first study to explicate the notion of corporate image vacuum through the development of the Corporate Image Grid Framework, this study examines how an image vacuum is generated and what organizations can do to fill it. The framework offers a systematic way of assessing an organization’s image to heighten practitioners’ awareness of image management of their organizations. Four organizations drawn from Fortune 2011 list of 50 most admired organizations are studied: Singapore Airlines, Google, …

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What Does Software Engineering Community Microblog About?, Yuan Tian, Palakorn Achananuparp, Ibrahim Nelman Lubis, David Lo, Ee Peng Lim Jun 2012

What Does Software Engineering Community Microblog About?, Yuan Tian, Palakorn Achananuparp, Ibrahim Nelman Lubis, David Lo, Ee Peng Lim

Research Collection School Of Computing and Information Systems

Microblogging is a new trend to communicate and to disseminate information. One microblog post could potentially reach millions of users. Millions of microblogs are generated on a daily basis on popular sites such as Twitter. The popularity of microblogging among programmers, software engineers, and software users has also led to their use of microblogs to communicate software engineering issues apart from using emails and other traditional communication channels.Understanding how millions of users use microblogs in software engineering related activities would shed light on ways we could leverage the fast evolving microblogging content to aid software development efforts. In this work, …

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Negotiating Crisis In The New Media Environment: Evolution Of Crises Online, Gaining Legitimacy Offline, Augustine Pang, Nasrath Begam Binte Abul Hassan, Aaron Chee Yang Chong Jun 2012

Negotiating Crisis In The New Media Environment: Evolution Of Crises Online, Gaining Legitimacy Offline, Augustine Pang, Nasrath Begam Binte Abul Hassan, Aaron Chee Yang Chong

Research Collection Lee Kong Chian School Of Business

This study examines how crises originate online, how different new media platforms escalate crises, and how issues become legitimized offline when they transit onto mainstream media. We study five social media crises, which includes United breaks guitars and Southwest Air’s too fat to fly. Crises are triggered online when stakeholders are empowered by new media platforms that allow user-generated content to be posted online without any filtering. Facebook, YouTube and Twitter emerge as top crises breeding grounds due to their large user base and the lack of gatekeeping. Facebook and blogs are responsible for escalating crises beyond the immediate stakeholder …

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Twitter: High On Celebrity Gossip, Low On News Discussion, Singapore Management University May 2012

Twitter: High On Celebrity Gossip, Low On News Discussion, Singapore Management University

Perspectives@SMU

Twitter is regarded as a highly popular platform for online communications. It was said to have played a role in facilitating – 140 characters at a time – social movements that supported key events such as the Arab Spring. And because Twitter messages (or 'tweets' as they are called) are compact and quickly transmitted, they are widely used to spread and share breaking news, personal updates and spontaneous ideas.

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#Epicplay: Crowd-Sourcing Sports Video Highlights, Anthony Tang, Sebastian Boring May 2012

#Epicplay: Crowd-Sourcing Sports Video Highlights, Anthony Tang, Sebastian Boring

Research Collection School Of Computing and Information Systems

During a live sports event, many sports fans use social media as a part of their viewing experience, reporting on their thoughts on the event as it unfolds. In this work, we use this information stream to semantically annotate live broadcast sports games, using these annotations to select video highlights from the game. We demonstrate that this approach can be used to select highlights specific for fans of each team, and that these clips reflect the emotions of a fan during a game. Further, we describe how these clips differ from those seen on nightly sportscasts.

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Both Sides Will Need To Raise Their Game, Tan K. B. Eugene May 2012

Both Sides Will Need To Raise Their Game, Tan K. B. Eugene

Research Collection Yong Pung How School Of Law

Now that the Hougang by-election is over, the Workers' Party (WP) and the People's Action Party (PAP) will conduct their post-mortems. SMU Assistant Professor Eugene Tan wrote that ?Among the key questions would be how they campaigned and how they can deal with the issues that the hustings threw up. For the WP, how can it keep Hougang in its fold and grow the famed "Hougang Spirit"? How can it be less reliant on its charismatic leader Low Thia Khiang? For the PAP, how can it make significant gains and be more competitive in Hougang?? He concludes that what the …

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Battle For Undecided Voters In Hougang, Tan K. B. Eugene May 2012

Battle For Undecided Voters In Hougang, Tan K. B. Eugene

Research Collection Yong Pung How School Of Law

SMU Assistant Professor and NMP Eugene Tan commented on the battle for undecided voters in Hougang prior to the by-election this Saturday. He wrote that the political stakes are not so high in this by-election. Although the WP has more to lose this round, the stakes are calibrated differently in their first head-to-head contest since GE2011, and the parties must remember that this by-election is but a "battle" only. Instead, the PAP and WP would do well to stay focused on acquitting themselves well in the long haul before the next General Election. The priority for both parties is to …

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Structural Analysis In Multi-Relational Social Networks, Bing Tian Dai, Freddy Chong Tat Chua, Ee-Peng Lim Apr 2012

Structural Analysis In Multi-Relational Social Networks, Bing Tian Dai, Freddy Chong Tat Chua, Ee-Peng Lim

Research Collection School Of Computing and Information Systems

Modern social networks often consist of multiple relationsamong individuals. Understanding the structureof such multi-relational network is essential. In sociology,one way of structural analysis is to identify differentpositions and roles using blockmodels. In thispaper, we generalize stochastic blockmodels to GeneralizedStochastic Blockmodels (GSBM) for performing positionaland role analysis on multi-relational networks.Our GSBM generalizes many different kinds of MultivariateProbability Distribution Function (MVPDF) tomodel different kinds of multi-relational networks. Inparticular, we propose to use multivariate Poisson distributionfor multi-relational social networks. Our experimentsshow that GSBM is able to identify the structuresfor both synthetic and real world network data.These structures can further be used for predicting …

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Us Government Efforts To Repair Its Image After The 2008 Financial Crisis, Andrea A. Chua, Augustine Pang Mar 2012

Us Government Efforts To Repair Its Image After The 2008 Financial Crisis, Andrea A. Chua, Augustine Pang

Research Collection Lee Kong Chian School Of Business

Globalization has intensified the interaction and interdependency among countries. The need to maintain good reputation and establish good relationships should dominate public diplomacy efforts (Hiebert, 2005). Using the US financial crisis 2008 as a case study, this study examines how the world's only superpower repaired its image when it was accused of triggering the financial meltdown that impacted the world economy. Few studies have examined repair strategies by nations. The need to undertake more empirical research to understand how the image-rebuilding rhetoric can aid diplomatic efforts remains relevant today.

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Small And Medium-Sized Enterprises In Rural Business Clusters: The Relation Between Ict Adoption And Benefits Derived From Cluster Membership, Charles Steinfield, Robert Larose, Han Ei Chew, Stephanie Tom Tong Mar 2012

Small And Medium-Sized Enterprises In Rural Business Clusters: The Relation Between Ict Adoption And Benefits Derived From Cluster Membership, Charles Steinfield, Robert Larose, Han Ei Chew, Stephanie Tom Tong

Research Collection Office of Impact

This study examines the relationships between information and communication technologies (ICT) usage, the benefits a company derives from membership in a rural business cluster, and the success of rural companies. Analysis of 333 rural businesses located in northern lower Michigan showed a strong relationship between (a) ICT adoption and benefits derived from the membership in business clusters, (b) ICT adoption and self-reported business success, and (c) benefits derived from business clusters and business success. Although analysis indicates that these relationships may be industry specific, results suggest that ICT adoption by rural enterprises may have advantages for the region's social capital …

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Enhancing Internal Communications: How Microsoft Cuts Through The Clutter, Singapore Management University Feb 2012

Enhancing Internal Communications: How Microsoft Cuts Through The Clutter, Singapore Management University

Perspectives@SMU

How do you communicate with 5,000 employees across 17 countries in a simple yet effective and compelling way? This was a question that Jovina Ang had to answer back in 2010, when she joined Microsoft Services Asia as marketing communications director.

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The Central Role Of Information Systems In Managing Crises, Singapore Management University Feb 2012

The Central Role Of Information Systems In Managing Crises, Singapore Management University

Perspectives@SMU

Crisis management research recognises the importance of timely information in coordinating a suitable and rapid crisis response. However, the transmission of information would depend on the information systems assets available, how they work with other resources and how they facilitate coordination – areas that have not received much scholarly attention.

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New Leadership To Helm Smu School Of Law, Singapore Management University Feb 2012

New Leadership To Helm Smu School Of Law, Singapore Management University

SMU Press Releases and News

No abstract provided.

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The Ethnocentric Bias: Why One Size Does Not Fit All In The World Of Digital Communication, Michael A. Netzley Feb 2012

The Ethnocentric Bias: Why One Size Does Not Fit All In The World Of Digital Communication, Michael A. Netzley

Research Collection Lee Kong Chian School Of Business

In this chapter Michael Netzley, PhD at Singapore Management University, discusses the opportunity to see beyond traditional markets. Asia is filled with diverse and fragmented markets, more so than we typically find in the West's mature markets. The larger social media conversation reflects values and market assumptions of these mature markets, and all too often the needs of Asia's many emerging markets go unrepresented. Professional communicators must stop relying on advice crafted within different market conditions and instead lead the way forward by producing solid research as the basis for data-driven communication decisions.

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