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Articles 631 - 660 of 826
Full-Text Articles in Communication
The Social Network Of Software Engineering Research, Subhajit Datta, Nishant Kumar, Santonu Sarkar
The Social Network Of Software Engineering Research, Subhajit Datta, Nishant Kumar, Santonu Sarkar
Research Collection School Of Computing and Information Systems
The social network perspective has served as a useful framework for studying scientific research collaboration in different disciplines. Although collaboration in computer science research has received some attention, software engineering research collaboration has remained unexplored to a large extent. In this paper, we examine the collaboration networks based on co-authorship information of papers from ten software engineering publication venues over the 1976-2010 time period. We compare time variations of certain parameters of these networks with corresponding parameters of collaboration networks from other disciplines. We also explore whether software engineering collaboration networks manifest symptoms of the small-world phenomenon, conform to the …
Manipulation Of Online Reviews: An Analysis Of Ratings, Readability, And Sentiments, Nan Hu, Indranil Bose, Noi Sian Koh, Ling Liu
Manipulation Of Online Reviews: An Analysis Of Ratings, Readability, And Sentiments, Nan Hu, Indranil Bose, Noi Sian Koh, Ling Liu
Research Collection School Of Computing and Information Systems
As consumers become increasingly reliant on online reviews to make purchase decisions, the sales of the product becomes dependent on the word of mouth (WOM) that it generates. As a result, there can be attempts by firms to manipulate online reviews of products to increase their sales. Despite the suspicion on the existence of such manipulation, the amount of such manipulation is unknown, and deciding which reviews to believe in is largely based on the reader's discretion and intuition. Therefore, the success of the manipulation of reviews by firms in generating sales of products is unknown. In this paper, we …
Tweets And Votes: A Study Of The 2011 Singapore General Election, Marko M. Skoric, Nathaniel D. Poor, Palakorn Achananuparp, Ee Peng Lim, Jing Jiang
Tweets And Votes: A Study Of The 2011 Singapore General Election, Marko M. Skoric, Nathaniel D. Poor, Palakorn Achananuparp, Ee Peng Lim, Jing Jiang
Research Collection School Of Computing and Information Systems
This study focuses on the uses of Twitter during the elections, examining whether the messages posted online are reflective of the climate of public opinion. Using Twitter data obtained during the official campaign period of the 2011 Singapore General Election, we test the predictive power of tweets in forecasting the election results. In line with some previous studies, we find that during the elections the Twitter sphere represents a rich source of data for gauging public opinion and that the frequency of tweets mentioning names of political parties, political candidates and contested constituencies could be used to make predictions about …
Content Contribution In Social Media: The Case Of Youtube, Qian Tang, Bin Gu, Andrew B. Whinston
Content Contribution In Social Media: The Case Of Youtube, Qian Tang, Bin Gu, Andrew B. Whinston
Research Collection School Of Computing and Information Systems
Social media allows individuals and businesses to contribute contents for public viewing. However, little is known about the underlying incentives that why content providers derive utilities from such activities. In this study, we build a dynamic structural model to recover the utility function for content providers. Our model distinguishes short-term payoffs based on ad revenue sharing from long-term payoffs driven by content providers' reputation. The model was estimated using a panel data of 914 top 1000 video providers on You Tube from Jun 7th, 2010, to Aug 7th, 2011 since top providers are more likely to be encouraged by these …
Mining Diversity On Social Media Networks, Lu Liu, Feida Zhu, Meng Jiang, Jiawei Han, Lifeng Sun, Shiqiang Yang
Mining Diversity On Social Media Networks, Lu Liu, Feida Zhu, Meng Jiang, Jiawei Han, Lifeng Sun, Shiqiang Yang
Research Collection School Of Computing and Information Systems
The fast development of multimedia technology and increasing availability of network bandwidth has given rise to an abundance of network data as a result of all the ever-booming social media and social websites in recent years, e.g., Flickr, Youtube, MySpace, Facebook, etc. Social network analysis has therefore become a critical problem attracting enthusiasm from both academia and industry. However, an important measure that captures a participant’s diversity in the network has been largely neglected in previous studies. Namely, diversity characterizes how diverse a given node connects with its peers. In this paper, we give a comprehensive study of this concept. …
Predictive Modeling For Navigating Social Media, Meiqun Hu
Predictive Modeling For Navigating Social Media, Meiqun Hu
Dissertations and Theses Collection (Open Access)
Social media changes the way people use the Web. It has transformed ordinary Web users from information consumers to content contributors. One popular form of content contribution is social tagging, in which users assign tags to Web resources. By the collective efforts of the social tagging community, a new information space has been created for information navigation. Navigation allows serendipitous discovery of information by examining the information objects linked to one another in the social tagging space. In this dissertation, we study prediction tasks that facilitate navigation in social tagging systems. For social tagging systems to meet complex navigation needs …
A Latency Effect For Mobile Phone Investments By Micro-Entrepreneurs, Han Ei Chew, Vigneswara P. Ilavarasan, Mark Levy
A Latency Effect For Mobile Phone Investments By Micro-Entrepreneurs, Han Ei Chew, Vigneswara P. Ilavarasan, Mark Levy
Research Collection Office of Impact
As the fastest diffusing ICT in history, the mobile has attracted substantial scholarly interest. However, the historic penetration rate of the mobile phone in the developing world seems discordant with the paucity of evidence linking mobiles to productivity gains in micro-enterprises. In this study, we address the dilemma. We are seeing mobile phones everywhere but in the productivity statistics. We believe that there is a disconnect between mobile phone penetration rates and productivity statistics because businesses take time to learn how to exploit the technology for productivity gains. Findings from our study indicate there is latency between the time of …
Smu Lee Kong Chian School Of Business One Of The Youngest In The World To Be Equis-Accredited For Five Years, Singapore Management University
Smu Lee Kong Chian School Of Business One Of The Youngest In The World To Be Equis-Accredited For Five Years, Singapore Management University
SMU Press Releases and News
No abstract provided.
Content Contribution Under Revenue Sharing And Reputation Concern In Social Media: The Case Of Youtube, Qian Tang, Bin Gu, Andrew B. Whinston
Content Contribution Under Revenue Sharing And Reputation Concern In Social Media: The Case Of Youtube, Qian Tang, Bin Gu, Andrew B. Whinston
Research Collection School Of Computing and Information Systems
A key feature of social media is that it allows individuals and businesses to contribute contents for public viewing. However, little is known about how content providers derive payoffs from such activities. In this study, we build a dynamic structural model to recover the utility function for content providers. Our model distinguishes short-term payoffs based on ad revenue sharing from long-term payoffs driven by content providers’ reputation. The model was estimated using a panel data of 914 top 1000 providers and 381 randomly selected providers on YouTube from Jun 7th, 2010, to Aug 7th, 2011. The two different sets of …
Modeling Social Strength In Social Media Community Via Kernel-Based Learning, Jinfeng Zhuang, Tao Mei, Steven C. H. Hoi, Xian-Sheng Hua, Shipeng Li
Modeling Social Strength In Social Media Community Via Kernel-Based Learning, Jinfeng Zhuang, Tao Mei, Steven C. H. Hoi, Xian-Sheng Hua, Shipeng Li
Research Collection School Of Computing and Information Systems
Modeling continuous social strength rather than conventional binary social ties in the social network can lead to a more precise and informative description of social relationship among people. In this paper, we study the problem of social strength modeling (SSM) for the users in a social media community, who are typically associated with diverse form of data. In particular, we take Flickr---the most popular online photo sharing community---as an example, in which users are sharing their experiences through substantial amounts of multimodal contents (e.g., photos, tags, geo-locations, friend lists) and social behaviors (e.g., commenting and joining interest groups). Such heterogeneous …
Ancient Chinese Power, Modern Chinese Thought, Linsay Cunningham-Cross, William A. Callahan
Ancient Chinese Power, Modern Chinese Thought, Linsay Cunningham-Cross, William A. Callahan
Research Collection School of Social Sciences
Ancient Chinese Thought, Modern Chinese Power is the latest publication to come from Yan Xuetong's ongoing research project that explores the interstate political philosophy of China's pre-Qin era. This book is interesting on many levels, and has already drawn attention from public intellectuals and scholars in the West. This essay thus first will examine the scholarly issue of how Yan and his colleagues are employing pre-Qin thought to make philosophical and political arguments about how China will rise. It will consider the relation of the ‘kingly way’ (wang 王) and the ‘hegemonic way’ (ba 霸) to critically analyze Yan's argument …
Context-Based Friend Suggestion In Online Photo-Sharing Community, Ting Yao, Chong-Wah Ngo, Tao Mei
Context-Based Friend Suggestion In Online Photo-Sharing Community, Ting Yao, Chong-Wah Ngo, Tao Mei
Research Collection School Of Computing and Information Systems
With the popularity of social media, web users tend to spend more time than before for sharing their experience and interest in online photo-sharing sites. The wide variety of sharing behaviors generate different metadata which pose new opportunities for the discovery of communities. We propose a new approach, named context-based friend suggestion, to leverage the diverse form of contextual cues for more effective friend suggestion in the social media community. Different from existing approaches, we consider both visual and geographical cues, and develop two user-based similarity measurements, i.e., visual similarity and geo similarity for characterizing user relationship. The problem of …
Wsm 2011: Third Acm Workshop On Social Media, Steven C. H. Hoi, Michal Jacovi, Ioannis Kompatsiaris, Jiebo Luo, Konstantinos Tserpes
Wsm 2011: Third Acm Workshop On Social Media, Steven C. H. Hoi, Michal Jacovi, Ioannis Kompatsiaris, Jiebo Luo, Konstantinos Tserpes
Research Collection School Of Computing and Information Systems
The Third Workshop on Social Media (WSM2011) continues the series of Workshops on Social Media in 2009 and 2010 and has been established as a platform for the presentation and discussion of the latest, key research issues in social media analysis, exploration, search, mining, and emerging new social media applications. It is held in conjunction with the ACM International Multimedia Conference (MM'11) at Scottsdale, Arizona, USA, 2011 and has attracted contributions on various aspects of social media including data mining from social media, content organization, geo-localization, personalization, recommendation systems, user experience, machine learning and social media approaches and architectures for …
Value Relevance Of Blog Visibility, Nan Hu, Ling Liu, Arindam Tripathy, Lee J. Yao
Value Relevance Of Blog Visibility, Nan Hu, Ling Liu, Arindam Tripathy, Lee J. Yao
Research Collection School Of Computing and Information Systems
This study empirically examines the effect of a non-traditional information source, namely a firm's blog visibility on the capital market valuation of firms. After controlling for earnings, book value of equity and other value relevant variables, such as traditional media exposure, R&D spending, and advertising expense, we find a positive association between a firm's blog visibility and its capital market valuation. In addition, we find blog visibility Grange causes trading, not vice versa. Our findings indicate that non-traditional information sources such as blogs help disseminate information and influence consumers' investment decisions by capturing their attention.
Modeling Multichannel Home Video Demand In The U.S. Motion Picture Industry, Anirban Mukherjee, Vrinda Kadiyali
Modeling Multichannel Home Video Demand In The U.S. Motion Picture Industry, Anirban Mukherjee, Vrinda Kadiyali
Research Collection Lee Kong Chian School Of Business
The U.S. motion picture industry has become increasingly reliant on posttheatrical channel profits. Two often-cited drivers of these profits are cross-channel substitution among posttheatrical channels and seasonality in consumer preferences for any movie. The authors use a differentiated products version of the multiplicative competitive interaction model to investigate these two phenomena. They estimate the model using data from 2000 and 2001 on two posttheatrical channels in the U.S. market: purchase and rental home viewing channels. Contrary to expectations based on business press commentary, after controlling for seasonality and movie attributes, the authors find low cross-channel price and availability elasticity for …
Measuring Social Networks For Real-Time Competitive Advantage, Singapore Management University
Measuring Social Networks For Real-Time Competitive Advantage, Singapore Management University
Perspectives@SMU
Social networks offer up a goldmine of information just waiting to be exploited. For the first time, human relationships, comments and activities are documented quite publicly on platforms like Facebook and Twitter. Save for privacy concerns, never before has it been easier to know what people think, what they like, and to whom they are connected.
Smu Appoints Bryce Hool As Economics Dean, Singapore Management University
Smu Appoints Bryce Hool As Economics Dean, Singapore Management University
SMU Press Releases and News
No abstract provided.
Exploring Tweets Normalization And Query Time Sensitivity For Twitter Search, Zhongyu Wei, Wei Gao, Lanjun Zhou, Binyang Li, Kam-Fai Wong
Exploring Tweets Normalization And Query Time Sensitivity For Twitter Search, Zhongyu Wei, Wei Gao, Lanjun Zhou, Binyang Li, Kam-Fai Wong
Research Collection School Of Computing and Information Systems
This paper presents our work for the Realtime Adhoc Task of TREC 2011 Microblog Track. Microblog texts like tweets are generally characterized by the inclusion of a large proportion of irregular expressions, such as ill-formed words, which can lead to significant mismatch between query terms and tweets. In addition, Twitter queries are distinguished from Web queries with many unique characteristics, one of which reflects the clearly distinct temporal aspects of Twitter search behavior. In this study, we deal with the first problem by normalizing tweet texts and the second by capturing the temporal characteristics of topic. We divided topics into …
Coping With Distance: An Empirical Study Of Communication On The Jazz Platform, Renuka Sindhgatta, Bikram Sengupta, Subhajit Datta
Coping With Distance: An Empirical Study Of Communication On The Jazz Platform, Renuka Sindhgatta, Bikram Sengupta, Subhajit Datta
Research Collection School Of Computing and Information Systems
Global software development - which is characterized by teams separated by physical distance and/or time-zone differences - has traditionally posed significant communication challenges. Often these have caused delays in completing tasks, or created misalignment across sites leading to re-work. In recent years, however, a new breed of development environments with rich collaboration features have emerged to facilitate cross-site work in distributed projects. In this paper we revisit the question "does distance matter?" in the context of IBM Jazz Platform -- a state-of-the-art collaborative development environment. We study the ecosystem of a large distributed team of around 300 members across 35 …
Leadership In A Multinational Corporation: Going Beyond Stereotypes And Expectations, Singapore Management University
Leadership In A Multinational Corporation: Going Beyond Stereotypes And Expectations, Singapore Management University
Perspectives@SMU
"There are plenty of good managers but finding a real leader is not that easy." Fabio Landazabal, vice president and regional director for Asia Pacific at GlaxoSmithKline (GSK), said this at a CEO talkorganised by Singapore Management University's Wee Kim Wee Centre. With some 3,800 (and growing) employees in the region alone, the world's number three pharmaceutical player (by revenue) is paying greater attention than ever in building up its leadership capabilities for its future.
Singapore Management University And Singapore University Of Technology And Design Ink Memorandum Of Understanding For Education, Research And Exchange, Singapore Management University
Singapore Management University And Singapore University Of Technology And Design Ink Memorandum Of Understanding For Education, Research And Exchange, Singapore Management University
SMU Press Releases and News
No abstract provided.
A Survey Of Information Diffusion Models And Relevant Problems, Minh Duc Luu, Tuan Anh Hoang, Ee-Peng Lim
A Survey Of Information Diffusion Models And Relevant Problems, Minh Duc Luu, Tuan Anh Hoang, Ee-Peng Lim
Research Collection School Of Computing and Information Systems
There has been tremendous interest in diffusion of innovations or information in a social system. Nowadays, social networks (offline as well as online) are considered as important medium for diffusion and large amount of research has been conducted to understand the dynamics of diffusion in social networks. In this work, we review some of the models proposed for diffusion in social networks. We also highlight the major features of these models by dividing the surveyed models into two categories: non-network and network diffusion models. The former refers to user communities without any knowledge about the user relationship network and the …
On Modeling Virality Of Twitter Content, Tuan Anh Hoang, Ee Peng Lim, Palakorn Achananuparp, Jing Jiang, Feida Zhu
On Modeling Virality Of Twitter Content, Tuan Anh Hoang, Ee Peng Lim, Palakorn Achananuparp, Jing Jiang, Feida Zhu
Research Collection School Of Computing and Information Systems
Twitter is a popular microblogging site where users can easily use mobile phones or desktop machines to generate short messages to be shared with others in realtime. Twitter has seen heavy usage in many recent international events including Japan earthquake, Iran election, etc. In such events, many tweets may become viral for different reasons. In this paper, we study the virality of socio-political tweet content in the Singapore’s 2011 general election (GE2011). We collected tweet data generated by about 20K Singapore users from 1 April 2011 till 12 May 2011, and the follow relationships among them. We introduce several quantitative …
Mining Direct Antagonistic Communities In Explicit Trust Networks, David Lo, Didi Surian, Zhang Kuan, Ee Peng Lim
Mining Direct Antagonistic Communities In Explicit Trust Networks, David Lo, Didi Surian, Zhang Kuan, Ee Peng Lim
Research Collection School Of Computing and Information Systems
There has been a recent increase of interest in analyzing trust and friendship networks to gain insights about relationship dynamics among users. Many sites such as Epinions, Facebook, and other social networking sites allow users to declare trusts or friendships between different members of the community. In this work, we are interested in extracting direct antagonistic communities (DACs) within a rich trust network involving trusts and distrusts. Each DAC is formed by two subcommunities with trust relationships among members of each sub-community but distrust relationships across the sub-communities. We develop an efficient algorithm that could analyze large trust networks leveraging …
Context-Aware Nearest Neighbor Query On Social Networks, Yazhe Wang, Baihua Zheng
Context-Aware Nearest Neighbor Query On Social Networks, Yazhe Wang, Baihua Zheng
Research Collection School Of Computing and Information Systems
Social networking has grown rapidly over the last few years, and social networks contain a huge amount of content. However, it can be not easy to navigate the social networks to find specific information. In this paper, we define a new type of queries, namely context-aware nearest neighbor (CANN) search over social network to retrieve the nearest node to the query node that matches the context specified. CANN considers both the structure of the social network, and the profile information of the nodes. We design ahyper-graph based index structure to support approximated CANN search efficiently.
Virality Modeling And Analysis, Tuan Anh Hoang, Ee-Peng Lim
Virality Modeling And Analysis, Tuan Anh Hoang, Ee-Peng Lim
Research Collection School Of Computing and Information Systems
Virality is a virus-like behavior that allows a piece of information to widely and quickly diffuse within the network of adopters through word of mouth. It is about how easy users propagate information to their friends and friends of friends by means of diffusion. While virality of information has several interesting applications, there are much research to be conducted on virality. These areas of research include understanding the mechanism of virality, modeling the virality both qualitatively and quantitatively, and applying virality to applications such as marketing, event detection, and others. In this paper, we survey existing works on quantitative models …
Growing Singapore's Funny Bone: Laughing In The Face Of Dangers, Pitfalls And Politicians, Singapore Management University
Growing Singapore's Funny Bone: Laughing In The Face Of Dangers, Pitfalls And Politicians, Singapore Management University
Perspectives@SMU
There was once a time in Singapore when the mocking of authority figures would be regarded as a no-go zone. Leaders and politicians were rarely subjects of comedy for such jokes would be considered too distasteful and disrespectful for mass consumption. Acceptable local comedy, as such, was limited to the physical and sometimes lowbrow variety.
Commentary: Crisis Is Danger Plus Opportunity, Ann Florini
Commentary: Crisis Is Danger Plus Opportunity, Ann Florini
Research Collection School of Social Sciences
John Clark has given us a great deal to be depressed about, in the story he tells about theroles of civil society in addressing the compelling threats of climate change and ecosystemcollapse. Fortunately, that account is incomplete. There is another half to the story, onethat provides a more hopeful picture. Indeed, a closer look at what is happening in thecivil society/environmental arena tells us much about humanity’s prospects for dealingwith climate change. It tells us even more about the rapidly evolving nature of civilsociety and humanity’s capacity for creative collective action. And from both perspectives,the glass, rather than being empty—or …
Communication, Organizing And Organization: An Overview And Introduction To The Special Issue, Francois Cooren, Timothy Kuhn, Joep P. Cornelissen, Timothy Adrian Robert Clark
Communication, Organizing And Organization: An Overview And Introduction To The Special Issue, Francois Cooren, Timothy Kuhn, Joep P. Cornelissen, Timothy Adrian Robert Clark
Research Collection Lee Kong Chian School Of Business
This paper provides an overview of previous work that has explored the processes and mechanisms by which communication constitutes organizing (as ongoing efforts at coordination and control of activity and knowledge) and organizations (as collective actors that are 'talked' into existence). We highlight differences between existing theories and analyses grounded in communication-as-constitutive (CCO) perspectives and describe six overarching premises for such perspectives; in so doing, we sharpen and bound the explanatory power of CCO perspectives for organization studies more generally. Building on these premises, we develop an agenda for further research, call for greater cross-fertilization between the communication and organization …
Communicating Crisis: How Culture Influences Image Repair In Western And Asian Governments, Yvonne Siew‐Yoong Low, Jeni Varughese, Augustine Pang
Communicating Crisis: How Culture Influences Image Repair In Western And Asian Governments, Yvonne Siew‐Yoong Low, Jeni Varughese, Augustine Pang
Research Collection Lee Kong Chian School Of Business
Purpose: The purpose of this paper is to seek to understand the differences in image repair strategies adopted by two governments that operate in the Western and Asian societies when faced with similar crises. Design/methodology/approach: Textual analyses are presented of communication of Hurricane Katrina and Typhoon Morakot by the Taiwanese and US governments, respectively. Findings: Faced with similar accusations of slow response, the Asian culture, represented by the Taiwanese Government, used predominantly mortification and corrective action strategies. The Western culture, represented by the US Government, used predominantly bolstering and defeasibility and a mixed bag of other strategies such as shifting …