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Articles 1381 - 1410 of 1690
Full-Text Articles in Entire DC Network
Impact Of Multimedia In Sina Weibo: Popularity And Life Span, Xun Zhao, Feida Zhu, Weining Qian, Aoying Zhou
Impact Of Multimedia In Sina Weibo: Popularity And Life Span, Xun Zhao, Feida Zhu, Weining Qian, Aoying Zhou
Research Collection School Of Computing and Information Systems
Multimedia contents such as images and videos are widely used in social network sites nowadays. Sina Weibo, a Chinese microblogging service, is one of the first microblog platforms to incorporate multimedia content sharing features. This work provides statistical analysis on how multimedia contents are produced, consumed, and propagated in Sina Weibo. Based on 230 million tweets and 1.8 million user profiles in Sina Weibo, we study the impact of multimedia contents on the popularity of both users and tweets as well as tweet life span. Our preliminary study shows that multimedia tweets dominant pure text ones in SinaWeibo. Multimedia contents …
Automatic Defect Categorization, Ferdian Thung, David Lo, Lingxiao Jiang
Automatic Defect Categorization, Ferdian Thung, David Lo, Lingxiao Jiang
Research Collection School Of Computing and Information Systems
Defects are prevalent in software systems. In order to understand defects better, industry practitioners often categorize bugs into various types. One common kind of categorization is the IBM’s Orthogonal Defect Classification (ODC). ODC proposes various orthogonal classification of defects based on much information about the defects, such as the symptoms and semantics of the defects, the root cause analysis of the defects, and many more. With these category labels, developers can better perform post-mortem analysis to find out what the common characteristics of the defects that plague a particular software project are. Albeit the benefits of having these categories, for …
Handling Interpretation And Representation In Multilingual Research: A Meta-Study Of Pragmatic Issues Resulting From The Use Of Multiple Languages In A Qualitative Information Systems Research Work, Ilse Baumgartner
Research Collection School Of Computing and Information Systems
Although the number of multilingual qualitative research studies appears to be growing, investigations concerned with methodological issues arising from the use of several languages within a single research are still very scarce. Most of these seem to deal exclusively with issues related to the use of interpreters and translators in qualitative research (e.g., Temple & Edwards, 2002; Temple, Edwards & Alexander, 2006; Edwards, 1998; Temple & Young 2004). Methodological investigations going beyond pure translation dilemmas in qualitative research are, however, almost non-existent. The reason for this seems to be simple: the situation where the researcher possesses mother-tongue fluency in all …
Natural Sentences As Valid Units For Coded Political Texts, Thomas Daubler, Kenneth Benoit, Slava Mikhaylov, Michael Laver
Natural Sentences As Valid Units For Coded Political Texts, Thomas Daubler, Kenneth Benoit, Slava Mikhaylov, Michael Laver
Research Collection School of Social Sciences
A rapidly growing area in political science has focused on perfecting techniques to treat politicaltext as ‘data’, usually for the purposes of estimating latent traits such as left–right political policypositions.1 More traditional approaches have applied classical content analysis to categorize sub-unitsof political text, such as sentences in manifestos. Prominent examples of this latter approach includethe thirty-year old Comparative Manifestos Project and the Policy Agendas Project.2 ‘Text as data’approaches use machines to convert text to quantitative information and use statistical tools to makeinferences about characteristics of the author of the text. Content analysis schemes use humans to readtextual sub-units and assign …
Assessment Of University Research Effectiveness And Management, Huey-Jen Su
Assessment Of University Research Effectiveness And Management, Huey-Jen Su
2012 Emerging Trends in Research Assessment Seminar
No abstract provided.
In-Game Action List Segmentation And Labeling In Real-Time Strategy Games, Wei Gong, Ee-Peng Lim, Palakorn Achananuparp, Feida Zhu, David Lo, Freddy Chong-Tat Chua
In-Game Action List Segmentation And Labeling In Real-Time Strategy Games, Wei Gong, Ee-Peng Lim, Palakorn Achananuparp, Feida Zhu, David Lo, Freddy Chong-Tat Chua
Research Collection School Of Computing and Information Systems
In-game actions of real-time strategy (RTS) games are extremely useful in determining the players' strategies, analyzing their behaviors and recommending ways to improve their play skills. Unfortunately, unstructured sequences of in-game actions are hardly informative enough for these analyses. The inconsistency we observed in human annotation of in-game data makes the analytical task even more challenging. In this paper, we propose an integrated system for in-game action segmentation and semantic label assignment based on a Conditional Random Fields (CRFs) model with essential features extracted from the in-game actions. Our experiments demonstrate that the accuracy of our solution can be as …
Sampling And Ontologically Pooling Web Images For Visual Concept Learning, Shiai Zhu, Chong-Wah Ngo, Yu-Gang Jiang
Sampling And Ontologically Pooling Web Images For Visual Concept Learning, Shiai Zhu, Chong-Wah Ngo, Yu-Gang Jiang
Research Collection School Of Computing and Information Systems
Sufficient training examples are essential for effective learning of semantic visual concepts. In practice, however, acquiring noise-free training examples has always been expensive. Recently the rapid popularization of social media websites, such as Flickr, has made it possible to collect training exemplars without human assistance. This paper proposes a novel and efficient approach to collect training samples from the noisily tagged Web images for visual concept learning, where we try to maximize two important criteria, relevancy and coverage, of the automatically generated training sets. For the former, a simple method named semantic field is introduced to handle the imprecise and …
The Geographies Of Religious Conversion, Orlando Woods
The Geographies Of Religious Conversion, Orlando Woods
Research Collection School of Social Sciences
The paper reviews the corpus of research that attempts to explain the process of religious conversion, and explores the ways in which geographers can add new perspectives to the discourse. It argues that religious conversion is a phenomenon that goes beyond the reorientation of individual belief, and is instead a process of change that involves the (re)definition of self and other. Five conceptual frames are proposed - (1) conversion of space; (2) spaces of conversion; (3) spaces of negotiation; (4) the (im)mobile convert; and (5) the (dis)embodied convert - which are used to help define the geographies of religious conversion.
Message From General Chair And Program Co-Chairs [Of Icec '12, 14th Annual International Conference On Electronic Commerce, Held In Singapore, 7-8 August 2012], Robert J. Kauffman, Martin Bichler, Hoong Chuin Lau, Christopher Yang, Yinping Yang
Message From General Chair And Program Co-Chairs [Of Icec '12, 14th Annual International Conference On Electronic Commerce, Held In Singapore, 7-8 August 2012], Robert J. Kauffman, Martin Bichler, Hoong Chuin Lau, Christopher Yang, Yinping Yang
Research Collection School Of Computing and Information Systems
Singapore, a major hub in the Asia Pacific region well known for its multi-racial and multicultural society, is proud to host the 14th International Conference on Electronic Commerce. Singapore Management University (SMU), the School of Information Systems (SIS) and the Living Analytics Research Center (LARC) are also delighted to be able to support the delivery of this event.
Information-Theoretic Multi-View Domain Adaptation, Pei Yang, Wei Gao, Qi Tan, Kam-Fai Wong
Information-Theoretic Multi-View Domain Adaptation, Pei Yang, Wei Gao, Qi Tan, Kam-Fai Wong
Research Collection School Of Computing and Information Systems
We use multiple views for cross-domain document classification. The main idea is to strengthen the views’ consistency for target data with source training data by identifying the correlations of domain-specific features from different domains. We present an Information-theoretic Multi-view Adaptation Model (IMAM) based on a multi-way clustering scheme, where word and link clusters can draw together seemingly unrelated domain-specific features from both sides and iteratively boost the consistency between document clusterings based on word and link views. Experiments show that IMAM significantly outperforms state-of-the-art baselines.
Joint Learning For Coreference Resolution With Markov Logic, Yang Song, Jing Jiang, Xin Zhao, Sujian Li, Houfeng Wang
Joint Learning For Coreference Resolution With Markov Logic, Yang Song, Jing Jiang, Xin Zhao, Sujian Li, Houfeng Wang
Research Collection School Of Computing and Information Systems
Pairwise coreference resolution models must merge pairwise coreference decisions to generate final outputs. Traditional merging methods adopt different strategies such as the best first method and enforcing the transitivity constraint, but most of these methods are used independently of the pairwise learning methods as an isolated inference procedure at the end. We propose a joint learning model which combines pairwise classification and mention clustering with Markov logic. Experimental results show that our joint learning system outperforms independent learning systems. Our system gives a better performance than all the learning-based systems from the CoNLL-2011 shared task on the same dataset. Compared …
Identifying Event-Related Bursts Via Social Media Activities, Xin Zhao, Baihan Shu, Jing Jiang, Yang Song, Hongfei Yan, Xiaoming Li
Identifying Event-Related Bursts Via Social Media Activities, Xin Zhao, Baihan Shu, Jing Jiang, Yang Song, Hongfei Yan, Xiaoming Li
Research Collection School Of Computing and Information Systems
Activities on social media increase at a dramatic rate. When an external event happens, there is a surge in the degree of activities related to the event. These activities may be temporally correlated with one another, but they may also capture different aspects of an event and therefore exhibit different bursty patterns. In this paper, we propose to identify event-related bursts via social media activities. We study how to correlate multiple types of activities to derive a global bursty pattern. To model smoothness of one state sequence, we propose a novel function which can capture the state context. The experiments …
Coalitions And Language Politics: Policy Shifts In Southeast Asia, Amy H. Liu, Jacob I. Ricks
Coalitions And Language Politics: Policy Shifts In Southeast Asia, Amy H. Liu, Jacob I. Ricks
Research Collection School of Social Sciences
Why is it that some governments recognize only one language while others espouse multilingualism? Related, why are some governments able to shift language policies, and if there is a shift, what explains the direction? In this article, the authors argue that these choices are theproduct of coalitional constraints facing the government during critical junctures in history. During times of political change in the state-building process, the effective threat of an alternate linguistic group determines the emergent language policy. If the threat is low, the government moves toward monolingual policies. As the threat increases, however, the government is forced to co-opt …
Finding Bursty Topics From Microblogs, Qiming Diao, Jing Jiang, Feida Zhu, Ee Peng Lim
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) …
Spotlight: Asian Business Leaders With A Global Mindset, Kwon Ping Ho
Spotlight: Asian Business Leaders With A Global Mindset, Kwon Ping Ho
2012 AAPBS Academic Conference: Asian Business Leaders with a Global Mindset
Evolving Models of Business Education in Asia-Pacific
Identifying Linux Bug Fixing Patches, Yuan Tian, Julia Lawall, David Lo
Identifying Linux Bug Fixing Patches, Yuan Tian, Julia Lawall, David Lo
Research Collection School Of Computing and Information Systems
In the evolution of an operating system there is a continuing tension between the need to develop and test new features, and the need to provide a stable and secure execution environment to users. A compromise, adopted by the developers of the Linux kernel, is to release new versions, including bug fixes and new features, frequently, while maintaining some older “longterm” versions. This strategy raises the problem of how to identify bug fixing patches that are submitted to the current version but should be applied to the longterm versions as well. The current approach is to rely on the individual …
The Dimensionality Of Political Space: Epistemological And Methodological Considerations, Kenneth Benoit, Michael Laver
The Dimensionality Of Political Space: Epistemological And Methodological Considerations, Kenneth Benoit, Michael Laver
Research Collection School of Social Sciences
Spatial characterizations of agents' preferences lie at the heart of many theories of political competition. These give rise to explicitly dimensional interpretations. Parties define and differentiate themselves in terms of substantive policy issues, and the configuration of such issues that is required for a good description of political competition affects how we think substantively about the underlying political space in which parties compete. For this reason a great deal of activity in political science consists of estimating such configurations in particular real settings. We focus on three main issues in this article. First, we discuss the nature of political differences …
The Antihero In Popular Culture: A Life History Theory Of The Dark Triad, Peter K. Jonason, Gregory D. Webster, David P. Schmitt, Norman P. Li, Laura Crysel
The Antihero In Popular Culture: A Life History Theory Of The Dark Triad, Peter K. Jonason, Gregory D. Webster, David P. Schmitt, Norman P. Li, Laura Crysel
Research Collection School of Social Sciences
The Dark Triad of personality is composed of narcissism, psychopathy, and Machiavellianism. Despite the common belief that these traits are undesirable, the media is awash with characters that embody the Dark Triad. Characters like Gregory House, M.D., Batman (a.k.a. the Dark Knight), and James BOND all embody these traits and are some of the most popular media franchises today. As entertaining as these characters are, they provide us with a window into the dark side of human nature. Instead of treating the dark side of human nature as inherently maladaptive, we provide an alternative view that, despite their costs, traits …
Using Blogs In Teaching Negotiation: A Technical And Intercultural Postscript, Ian Macduff
Using Blogs In Teaching Negotiation: A Technical And Intercultural Postscript, Ian Macduff
Research Collection Yong Pung How School Of Law
This article reexamines an earlier experiment in the use of blogs in teaching negotiation when undertaken in a different cultural environment. I briefly examine two core factors — technical competence and cultural preferences in communication — as well as a student preference to reserve the use of social media for purely social and informal communications. Parallels are also drawn with the technical and cultural contexts of developments in online dispute resolution.
Dancing To The Rhythm Of The Role-Play: Applying Dance Intelligence To Conflict Resolution, Nadja Alexander, Michelle Lebaron
Dancing To The Rhythm Of The Role-Play: Applying Dance Intelligence To Conflict Resolution, Nadja Alexander, Michelle Lebaron
Research Collection Yong Pung How School Of Law
The article presents information on effectiveness of dance and movement in negotiation teaching and training programs regarding conflict resolution particularly in multiple repeat mediations. Death of the Role-play, a publication, fosters enhanced creativity and methodological diversity in conflict management and mediation training. It depicts dance intelligence as useful and requisite components of conflict resolution education.
Cuing Consumerism: Situational Materialism Undermines Personal And Social Well-Bein, Monika A. Bauer, James E. B. Wilkie, Jung K. Kim, Galen V. Bodenhausen
Cuing Consumerism: Situational Materialism Undermines Personal And Social Well-Bein, Monika A. Bauer, James E. B. Wilkie, Jung K. Kim, Galen V. Bodenhausen
Research Collection Lee Kong Chian School Of Business
Correlational evidence indicates that materialistic individuals experience relatively low levels of well-being. Across four experiments, we found that situational cuing can also trigger materialistic mind-sets, with similarly negative personal and social consequences. Merely viewing desirable consumer goods resulted in increases in materialistic concerns and led to heightened negative affect and reduced social involvement (Experiment 1). Framing a computer task as a “Consumer Reaction Study” led to a stronger automatic bias toward values reflecting self-enhancement, compared with framing the same task as a “Citizen Reaction Study” (Experiment 2). Consumer cues also increased competitiveness (Experiment 3) and selfishness in a water-conservation dilemma …
Improved Duplicate Bug Report Identification, Yuan Tian, Chengnian Sun, David Lo
Improved Duplicate Bug Report Identification, Yuan Tian, Chengnian Sun, David Lo
Research Collection School Of Computing and Information Systems
Bugs are prevalent in software systems. To improve the reliability of software systems, developers often allow end users to provide feedback on bugs that they encounter. Users could perform this by sending a bug report in a bug report management system like Bugzilla. This process however is uncoordinated and distributed, which means that many users could submit bug reports reporting the same problem. These are referred to as duplicate bug reports. The existence of many duplicate bug reports may cause much unnecessary manual efforts as often a triager would need to manually tag bug reports as being duplicates. Recently, there …
Hierarchical Fuzzy Logic System For Implementing Maintenance Schedules Of Offshore Power Systems, C. S. Chang, Zhaoxia Wang, Fan Yang, W. W. Tan
Hierarchical Fuzzy Logic System For Implementing Maintenance Schedules Of Offshore Power Systems, C. S. Chang, Zhaoxia Wang, Fan Yang, W. W. Tan
Research Collection School Of Computing and Information Systems
Smart grid provides the technology for modernizing electricity delivery systems by using distributed and computer-based remote sensing, control and automation, and two-way communications. Potential benefits of the technology are that the smart grid's central control will now be able to control and operate many remote power plant, optimize the overall asset utilization and operational efficiently. In this paper, we propose an innovative approach for the smart grid to handle uncertainties arising from condition monitoring and maintenance of power plant. The approach uses an adaptive maintenance advisor and a system-maintenance optimizer for designing/implementing optimized condition-based maintenance activities, and collectively handles operational …
Sham Of The Moral Court? Testimony Sold As The Spoils Of War, Mark Findlay, Sylvia Ngane
Sham Of The Moral Court? Testimony Sold As The Spoils Of War, Mark Findlay, Sylvia Ngane
Research Collection Yong Pung How School Of Law
This paper analyses the critical influences on witness-based truth-telling for judicial decision-making in the international criminal tribunals. The judicial fixation on witness testimony reflects the weight and legitimacy given to personal testimony before international courts. This weight must be balanced by the awareness that a witness may provide false testimony intentionally, or may be coaxed by third parties to provide such testimony, as has been evidenced recently before the ICC. If witness testimony is tainted then its capacity to endorse the truth-finding function of the court is compromised. As a consequence the ability to assert that the tribunal is a …
The Fukushima Disaster And Japan’S Occupy Movement, Hiro Saito
The Fukushima Disaster And Japan’S Occupy Movement, Hiro Saito
Research Collection School of Social Sciences
On October 15, 2011, OccupyTokyo protests took place in three different districts: Hibiya,Shinjuku, and Roppongi. Before the rallies began, protesters gathered in parkswhere organizers and participants gave speeches. They expressed solidarity withthe worldwide Occupy movement, criticized a widening economic gap in Japan, anddemanded a more just world. Protesters then took to the streets with theirplacards, drums, and megaphones to shout slogans to reclaim society for “the99%.”
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 …
Information Extraction From Text, Jing Jiang
Information Extraction From Text, Jing Jiang
Research Collection School Of Computing and Information Systems
Information extraction is the task of finding structured information from unstructured or semi-structured text. It is an important task in text mining and has been extensively studied in various research communities including natural language processing, information retrieval and Web mining. It has a wide range of applications in domains such as biomedical literature mining and business intelligence. Two fundamental tasks of information extraction are named entity recognition and relation extraction. The former refers to finding names of entities such as people, organizations and locations. The latter refers to finding the semantic relations such as FounderOf and HeadquarteredIn between entities. In …
A Spatial Analysis Of The Italian Second Republic, Second Version, Massimiliano Landi, Ricardo Pelizzo
A Spatial Analysis Of The Italian Second Republic, Second Version, Massimiliano Landi, Ricardo Pelizzo
Research Collection School Of Economics
We apply the Optimal Classification method to a newly created dataset to provide a spatial map of the Italian Second Republic (1996-2008). We find a bi-dimensional political space in the XIII Legislature and virtually a one dimensional political space in the XIV and XV Legislatures. In addition, the main dimension is explained along the dimension government opposition rather than on the traditional left and right dimension. During the Second Republic, Italy experienced changes in electoral system and in the format of the parties. We use our data to discuss the implications of either change on the dimensionality space. We find …
Why Corporate Social Responsibility Will Emerge As A Driver Of Effective And Compelling Differentiation For Chinese Brands, Joseph Baladi
Why Corporate Social Responsibility Will Emerge As A Driver Of Effective And Compelling Differentiation For Chinese Brands, Joseph Baladi
Research Collection Lee Kong Chian School Of Business
Although the responsibility and role of business within society have evolved over the past two decades, they remain issues that retain conceptual dimensions. This means that instead of consensus over form and function, both are surrounded by a persistent cloud of disagreement and confusion. Too many people remain unsure about what they represent, the importance they play and the impact they have (or should have) on business as well as society. For one thing, different interpretations of what defines business responsibility to society exist. These range from concern over business’ environmental impact and contribution to climate change, to sustainability practices, …
Consumer-Driven Innovation Management, Arcot Desai Narasimhalu, Shekhar Mitra
Consumer-Driven Innovation Management, Arcot Desai Narasimhalu, Shekhar Mitra
Research Collection School Of Computing and Information Systems
The evolution of human society leads to increased affluence and prosperity of certain populations, sometimes at the expense of well-established markets. Market leaders in products and services tend to be so focused on their current customer base that they are caught off guard with the changes in markets created by the evolution. These changes often go unnoticed until it is too late. The change in customer base often requires the repositioning of products and services through innovations, which address new and emerging markets. Some of these changes could potentially result in tectonic market shifts that force innovation managers to involve …