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Profiling Social Media Users With Selective Self-Disclosure Behavior, Wei Gong Aug 2016

Profiling Social Media Users With Selective Self-Disclosure Behavior, Wei Gong

Dissertations and Theses Collection

Social media has become a popular platform for millions of users to share activities and thoughts. Many applications are now tapping on social media to disseminate information (e.g., news), to promote products (e.g., advertisements), to manage customer relationship (e.g., customer feedback), and to source for investment (e.g., crowdfunding). Many of these applications require user profile knowledge to select the target social media users or to personalize messages to users. Social media user profiling is a task of constructing user profiles such as demographical labels, interests, and opinions, etc., using social media data. Among the social media user profiling research works, …

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A Multilingual Semi-Supervised Approach In Deriving Singlish Sentic Patterns For Polarity Detection, Siaw Ling Lo, Erik Cambria, Raymond Chiong, David Cornforth Aug 2016

A Multilingual Semi-Supervised Approach In Deriving Singlish Sentic Patterns For Polarity Detection, Siaw Ling Lo, Erik Cambria, Raymond Chiong, David Cornforth

Research Collection School Of Computing and Information Systems

Due to the huge volume and linguistic variation of data shared online, accurate detection of the sentiment of a message (polarity detection) can no longer rely on human assessors or through simple lexicon keyword matching. This paper presents a semi-supervised approach in constructing essential toolkits for analysing the polarity of a localised scarce-resource language, Singlish (Singaporean English). Corpus-based bootstrapping using a multilingual, multifaceted lexicon was applied to construct an annotated testing dataset, while unsupervised methods such as lexicon polarity detection, frequent item extraction through association rules and latent semantic analysis were used to identify the polarity of Singlish n-grams before …

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Response To Sbp-Brims Data Challenge: Agent-Based Approach To Human Migration Movement, Lin Junjie, Larry, Kathleen M. Carley Jul 2016

Response To Sbp-Brims Data Challenge: Agent-Based Approach To Human Migration Movement, Lin Junjie, Larry, Kathleen M. Carley

Research Collection School Of Computing and Information Systems

In this work, we attempt to address the social question of international migration, and the resulting shifts in country populations. This is achieved through the development of a country-level agent-based dynamic network model to examine shifts in population given network relations among countries, which inuences overall population change.

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Data Mining Journal Entries For Fraud Detection: A Replication Of Debreceny And Gray's (2010) Techniques, Poh Sun Seow, Pan, Gary, Themin Suwardy Jul 2016

Data Mining Journal Entries For Fraud Detection: A Replication Of Debreceny And Gray's (2010) Techniques, Poh Sun Seow, Pan, Gary, Themin Suwardy

Research Collection School Of Accountancy

The alarming frequency of fraud occurrences suggests that corporations continue to face persistent threat of fraud (Cecchini et al., 2010a; Summers and Sweeney, 1998). According to Association of Certified Fraud Examiner (ACFE)’s 2014 Report, a typical organization may lose five percent of its revenue to fraud every year. As such, the consequences of fraud may impact the shareholders, creditors, auditors and the public’s confidence in the integrity of corporations’ financial systems (Rezaee, 2005).

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The Socio-Economic Aspects Of Geographical Indications Of Origin, Irene Calboli, Daniel Gervais Jul 2016

The Socio-Economic Aspects Of Geographical Indications Of Origin, Irene Calboli, Daniel Gervais

Research Collection Yong Pung How School Of Law

No abstract provided.

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User Behavior Mining In Microblogging, Tuan Anh Hoang Jun 2016

User Behavior Mining In Microblogging, Tuan Anh Hoang

Dissertations and Theses Collection (Open Access)

This dissertation addresses the modeling of factors concerning microblogging users' content and behavior. We focus on two sets of factors. The first set includes behavioral factors of users and content items driving content propagation in microblogging. The second set consists of latent topics and communities of users as the users are engaged in content generation and behavior adoptions. These two sets of factors are extremely important in many applications, e.g., network monitoring and recommender systems. In the first part of this dissertation, we identify user virality, user susceptibility, and content virality as three behavioral factors that affect users' behaviors in …

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Qcri At Semeval-2016 Task 4: Probabilistic Methods For Binary And Ordinal Quantification, Giovanni Da San Martino, Wei Gao, Fabrizio Sebastiani Jun 2016

Qcri At Semeval-2016 Task 4: Probabilistic Methods For Binary And Ordinal Quantification, Giovanni Da San Martino, Wei Gao, Fabrizio Sebastiani

Research Collection School Of Computing and Information Systems

. (2016). n. In , pages 58—63, San Diego, California, USA. Association for Computational Linguistics. (1st place in sub-task E of Sentiment Analysis in Twitter)

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Language And Inter-Racial Harmony: The Battle For English As Singapore Lingua, Margaret Chan Jun 2016

Language And Inter-Racial Harmony: The Battle For English As Singapore Lingua, Margaret Chan

Research Collection School of Social Sciences

Against the backdrop of world religious violence, Singapore is as a beacon of inter-ethnic harmony: A 2015 poll, carried out in China, Taiwan, Hong Kong, and Singapore, returned the unanimous verdict that it was Singapore that had made the most social progress among the four Chinese ethnic Chinese societies. In 2014, the Pew Research Center ranked Singapore at the top of their Religious Diversity Index. The nation's bilingual policy is critical to the integration of the multi-racial communities of Singapore. This position is highlighted in a discussion of how, in the early years after independence in 1965, the Singapore government …

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Bilingual Effects On Deployment Of The Attention System In Linguistically And Culturally Homogeneous Children And Adults, Sujin Yang, Hwajin Yang Jun 2016

Bilingual Effects On Deployment Of The Attention System In Linguistically And Culturally Homogeneous Children And Adults, Sujin Yang, Hwajin Yang

Research Collection School of Social Sciences

We investigated the impact of early childhood and adulthood bilingualism on the attention system in a group of linguistically and culturally homogeneous children (5- and 6-year olds) and young adults. We administered the child Attention Network Test (ANT) to 63 English monolingual and Korean-English bilingual children and administered the adult ANT to 39 language- and culture-matched college students. Advantageous bilingual effects on attention were observed for both children and adults in global processing levels of inverse efficiency, response time, and accuracy at a magnitude more pronounced for children than for adults. Differential bilingualism effects were evident at the local network …

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Singlish – A Uniquely Singaporean Threat, Tan K. B. Eugene Jun 2016

Singlish – A Uniquely Singaporean Threat, Tan K. B. Eugene

Research Collection Yong Pung How School Of Law

In 2013 and 2014, I taught two graduate-level summer seminars at South Korea’s Yonsei University Law School. Although English was not their first language, my Korean students participated in class discussions, made oral presentations and sat for an examination — all in English, albeit without the same fluency of my Singaporean students.

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Learning Natural Language Inference With Lstm, Shuohang Wang, Jing Jiang Jun 2016

Learning Natural Language Inference With Lstm, Shuohang Wang, Jing Jiang

Research Collection School Of Computing and Information Systems

Natural language inference (NLI) is a fundamentally important task in natural language processing that has many applications. The recently released Stanford Natural Language Inference (SNLI) corpus has made it possible to develop and evaluate learning-centered methods such as deep neural networks for natural language inference (NLI). In this paper, we propose a special long short-term memory (LSTM) architecture for NLI. Our model builds on top of a recently proposed neural attention model for NLI but is based on a significantly different idea. Instead of deriving sentence embeddings for the premise and the hypothesis to be used for classification, our solution …

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Automated Identification Of High Impact Bug Reports Leveraging Imbalanced Learning Strategies, Xinli Yang, David Lo, Qiao Huang, Xin Xia, Jianling Sun Jun 2016

Automated Identification Of High Impact Bug Reports Leveraging Imbalanced Learning Strategies, Xinli Yang, David Lo, Qiao Huang, Xin Xia, Jianling Sun

Research Collection School Of Computing and Information Systems

In practice, some bugs have more impact than others and thus deserve more immediate attention. Due to tight schedule and limited human resource, developers may not have enough time to inspect all bugs. Thus, they often concentrate on bugs that are highly impactful. In the literature, high impact bugs are used to refer to the bugs which appear in unexpected time or locations and bring more unexpected effects, or break pre-existing functionalities and destroy the user experience. Unfortunately, identifying high impact bugs from the thousands of bug reports in a bug tracking system is not an easy feat. Thus, an …

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Domain-Specific Cross-Language Relevant Question Retrieval, Bowen Xu, Zhenchang Xing, Xin Xia, David Lo, Qingye Wang, Shanping Li May 2016

Domain-Specific Cross-Language Relevant Question Retrieval, Bowen Xu, Zhenchang Xing, Xin Xia, David Lo, Qingye Wang, Shanping Li

Research Collection School Of Computing and Information Systems

In software development process, developers often seek solutions to the technical problems they encounter by searching relevant questions on Q&A sites. When developers fail to find solutions on Q&A sites in their native language (e.g., Chinese), they could translate their query and search on the Q&A sites in another language (e.g., English). However, developers who are non-native English speakers often are not comfortable to ask or search questions in English, as they do not know the proper translation of the Chinese technical words into the English technical words. Furthermore, the process of manually formulating cross-language queries and determining the weight …

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Augmenting Api Documentation With Insights From Stack Overflow, Christoph Treude, Martin P. Robillard May 2016

Augmenting Api Documentation With Insights From Stack Overflow, Christoph Treude, Martin P. Robillard

Research Collection School Of Computing and Information Systems

Software developers need access to different kinds of information which is often dispersed among different documentation sources, such as API documentation or Stack Overflow. We present an approach to automatically augment API documentation with “insight sentences” from Stack Overflow— sentences that are related to a particular API type and that provide insight not contained in the API documentation of that type. Based on a development set of 1,574 sentences, we compare the performance of two state-of-the-art summarization techniques as well as a pattern-based approach for insight sentence extraction. We then present SISE, a novel machine learning based approach that uses …

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Does Africa Need An "African" Management Education Model?, Howard Thomas, Lee, Michelle P., Lynne Thomas, Alexander Wilson May 2016

Does Africa Need An "African" Management Education Model?, Howard Thomas, Lee, Michelle P., Lynne Thomas, Alexander Wilson

Research Collection Lee Kong Chian School Of Business

The African approach to management education has been shaped by a range of environmental, cultural, contextual and regional characteristics. Africa is by any measure a massive, multi-cultural, multi-lingual continent offering the promise of significant economic growth in the longer term. The environment is characterised by volatility, uncertainty, complexity, ambiguity and, often, disruptive change. Despite this, some African states have tried to adapt and formulate a range of strategies for economic growth management and the development of international and inter-regional trading opportunities arising from globalisation. Existing evidence suggests that African management educators have tried to adopt a pragmatic perspective that emphasises …

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#Greysanatomy Vs. #Yankees: Demographics And Hashtag Use On Twitter, Jisun An, Ingmar Weber May 2016

#Greysanatomy Vs. #Yankees: Demographics And Hashtag Use On Twitter, Jisun An, Ingmar Weber

Research Collection School Of Computing and Information Systems

Demographics, in particular, gender, age, and race, are a key predictor of human behavior. Despite the significant effect that demographics plays, most scientific studies using online social media do not consider this factor, mainly due to the lack of such information. In this work, we use state-of-the-art face analysis software to infer gender, age, and race from profile images of 350K Twitter users from New York. For the period from November 1, 2014 to October 31, 2015, we study which hashtags are used by different demographic groups. Though we find considerable overlap for the most popular hashtags, there are also …

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Religious Aspirations Among Urban Christians In Contemporary Indonesia, Chang Yau Hoon May 2016

Religious Aspirations Among Urban Christians In Contemporary Indonesia, Chang Yau Hoon

Research Collection School of Social Sciences

Recognizing that the Christians in Indonesia are not a homogeneous group, this article examines the various contested spiritual, social, and political aspirations of urban Christians in the contexts of the historical trajectory of Indonesian modernity, forces of globalization and urbanization, the role of capital, and the development of Islam - the indispensable religious 'Other' to this minority religion in contemporary Indonesia. It sheds light on the ways in which this minority exercises agency in using political participation and social activism as a counterbalance to the growing Islamization of Indonesia, and how they strategically utilize their extensive economic, social, and political …

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On Unravelling Opinions Of Issue Specific-Silent Users In Social Media, Wei Gong, Ee-Peng Lim, Feida Zhu, Pei Hua Cher May 2016

On Unravelling Opinions Of Issue Specific-Silent Users In Social Media, Wei Gong, Ee-Peng Lim, Feida Zhu, Pei Hua Cher

Research Collection School Of Computing and Information Systems

Social media has become a popular platform for people toshare opinions. Among the social media mining researchprojects that study user opinions and issues, most focus onanalyzing posted and shared content. They could run into thedanger of non-representative findings as the opinions of userswho do not post content are overlooked, which often happensin today’s marketing, recommendation, and social sensing research.For a more complete and representative profiling ofuser opinions on various topical issues, we need to investigatethe opinions of the users even when they stay silent onthese issues. We call these users the issue specific-silent users(i-silent users). To study them and their …

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Are You Charlie Or Ahmed? Cultural Pluralism In Charlie Hebdo Response On Twitter, Jisun An, Haewoon Kwak, Yelena Mejova, Sonia Alonso Saenz De Oger, Braulio Gomez Fortes May 2016

Are You Charlie Or Ahmed? Cultural Pluralism In Charlie Hebdo Response On Twitter, Jisun An, Haewoon Kwak, Yelena Mejova, Sonia Alonso Saenz De Oger, Braulio Gomez Fortes

Research Collection School Of Computing and Information Systems

We study the response to the Charlie Hebdo shootings of January 7, 2015 on Twitter across the globe. We ask whether the stances on the issue of freedom of speech can be modeled using established sociological theories, including Huntington’s culturalist Clash of Civilizations, and those taking into consideration social context, including Density and Interdependence theories. We find support for Huntington’s culturalist explanation, in that the established traditions and norms of one’s “civilization” predetermine some of one’s opinion. However, at an individual level, we also find social context to play a significant role, with non-Arabs living in Arab countries using #JeSuisAhmed …

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Temporal Kernel Descriptors For Learning With Time-Sensitive Patterns, Doyen Sahoo, Abhishek Sharma, Hoi, Steven C. H., Peilin Zhao May 2016

Temporal Kernel Descriptors For Learning With Time-Sensitive Patterns, Doyen Sahoo, Abhishek Sharma, Hoi, Steven C. H., Peilin Zhao

Research Collection School Of Computing and Information Systems

Detecting temporal patterns is one of the most prevalent challenges while mining data. Often, timestamps or information about when certain instances or events occurred can provide us with critical information to recognize temporal patterns. Unfortunately, most existing techniques are not able to fully extract useful temporal information based on the time (especially at different resolutions of time). They miss out on 3 crucial factors: (i) they do not distinguish between timestamp features (which have cyclical or periodic properties) and ordinary features; (ii) they are not able to detect patterns exhibited at different resolutions of time (e.g. different patterns at the …

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We All Stand Together: The Role Of The Association Of Asian Constitutional Courts And Equivalent Institutions In Promoting Constitutionalism, Maartje De Visser May 2016

We All Stand Together: The Role Of The Association Of Asian Constitutional Courts And Equivalent Institutions In Promoting Constitutionalism, Maartje De Visser

Research Collection Yong Pung How School Of Law

This article critically evaluates the interplay among courts with constitutional jurisdiction in Asia. This is done in the specific context of the Association of Asian Constitutional Courts and Equivalent Institutions (AACC). The article finds that the AACC has to date made only a nominal contribution to cultivating inter-court relations in furtherance of common goals and advances the claim that its members ought to rectify this state of affairs. On the one hand, transnational judicial alliances have instrumental value for participating courts in the discharge of their mandate. On the other hand, the AACC can be a useful conduit in nurturing …

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The Complex Nature Of Bilinguals' Language Usage Modulates Task-Switching Outcomes, Hwajin Yang, Andree Hartanto, Sujin Yang Apr 2016

The Complex Nature Of Bilinguals' Language Usage Modulates Task-Switching Outcomes, Hwajin Yang, Andree Hartanto, Sujin Yang

Research Collection School of Social Sciences

In view of inconsistent findings regarding bilingual advantages in executive functions (EF), we reviewed the literature to determine whether bilinguals' different language usage causes measureable changes in the shifting aspects of EF. By drawing on the theoretical framework of the adaptive control hypothesis-which postulates a critical link between bilinguals' varying demands on language control and adaptive cognitive control (Green and Abutalebi, 2013), we examined three factors that characterize bilinguals' language-switching experience: (a) the interactional context of conversational exchanges, (b) frequency of language switching, and (c) typology of code-switching. We also examined whether methodological variations in previous task-switching studies modulate task-specific …

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The Effects Of Within-Country Linguistic And Religious Diversity On Foreign Acquisitions, Douglas Dow, Ilya Cuypers, Gokhan Ertug Apr 2016

The Effects Of Within-Country Linguistic And Religious Diversity On Foreign Acquisitions, Douglas Dow, Ilya Cuypers, Gokhan Ertug

Research Collection Lee Kong Chian School Of Business

This article explores how within-country diversity of both language and religion influences the ownership structure of foreign acquisitions. Commentators have acknowledged the potential importance of “within-country diversity,” but to date this issue has received minimal empirical attention. We propose that diversity plays two distinct roles. Namely, diversity within the host country may be an additional source of behavioral uncertainty and information asymmetry, over and above the effects arising from cross-national differences. Moreover, diversity within the home country may increase the cognitive complexity of the decision makers, moderating the firm’s response to the distance and diversity of the host country. Results …

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Corporate Social Responsibility: An Overview And New Research Directions: Thematic Issue On Corporate Social Responsibility [From The Editors], Heli Wang, Li Tong, Rikki Takeuchi, Gerard George Apr 2016

Corporate Social Responsibility: An Overview And New Research Directions: Thematic Issue On Corporate Social Responsibility [From The Editors], Heli Wang, Li Tong, Rikki Takeuchi, Gerard George

Research Collection Lee Kong Chian School Of Business

The idea of corporate social responsibility (CSR)—that is, businesses bearing a responsibility to society and a broader set of stakeholders beyond its shareholders—gained currency in the 1960s. Since then, attention on CSR has been growing in both academic and practitioner communities around the world. While there have been criticisms and debates on whether it was appropriate for corporations to expand their remit beyond shareholder value, an increasing majority of corporations have proactively committed to addressing larger societal challenges. With a variety of options for corporate engagement in mainstream society and local communities, corporations have created dedicated organizational units to effectively …

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Bringing Africa In: Promising Directions For Management Research, Gerard George, Christopher Corbishley, Jane N. O. Khayesi, Martine R. Haas, Laszlo Tihanyi Apr 2016

Bringing Africa In: Promising Directions For Management Research, Gerard George, Christopher Corbishley, Jane N. O. Khayesi, Martine R. Haas, Laszlo Tihanyi

Research Collection Lee Kong Chian School Of Business

Africa is beginning to capture the imagination of entrepreneurs, corporate executives, and scholars as an emerging market of new growth opportunities. Over 15 years, the continent has experienced an average growth rate of 5% (World Economic Forum, 2015: v). Out of its 54 countries, 26 have achieved middle-income status, while the proportion of those living in extreme poverty has fallen from 51% in 2005 to 42% in 2014 (African Development Bank, 2014a: 49). Although there are regional differences, the primary drivers of growth have been rapidly emerging consumer markets, regional economic integration, investment in infrastructure, technological leap-frogging, and the opening …

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Detecting Affiliation In Colaughter Across 24 Societies, G. A. Bryant, D. M.T. Fessler, R. Fusaroli, E. Clint, L. Aaroe, C. L. Apicella, M. B. Petersen, S. T. Bickham, A. Bolyanatz, B. Chavez, D. De Smet, C. Diaz, J. Fancovicova, M. Fux, P. Giraldo-Perez, Anning Hu, S. V. Kamble, T. Kameda, Norman P. Li, Jose C. Yong Apr 2016

Detecting Affiliation In Colaughter Across 24 Societies, G. A. Bryant, D. M.T. Fessler, R. Fusaroli, E. Clint, L. Aaroe, C. L. Apicella, M. B. Petersen, S. T. Bickham, A. Bolyanatz, B. Chavez, D. De Smet, C. Diaz, J. Fancovicova, M. Fux, P. Giraldo-Perez, Anning Hu, S. V. Kamble, T. Kameda, Norman P. Li, Jose C. Yong

Research Collection School of Social Sciences

Laughter is a nonverbal vocal expression that often communicates positive affect and cooperative intent in humans. Temporally coincident laughter occurring within groups is a potentially rich cue of affiliation to overhearers. We examined listeners' judgments of affiliation based on brief, decontextualized instances of colaughter between either established friends or recently acquainted strangers. In a sample of 966 participants from 24 societies, people reliably distinguished friends from strangers with an accuracy of 53-67%. Acoustic analyses of the individual laughter segments revealed that, across cultures, listeners' judgments were consistently predicted by voicing dynamics, suggesting perceptual sensitivity to emotionally triggered spontaneous production. Colaughter …

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Mapping Chineseness On The Landscape Of Christian Churches In Indonesia, Chang Yau Hoon Apr 2016

Mapping Chineseness On The Landscape Of Christian Churches In Indonesia, Chang Yau Hoon

Research Collection School of Social Sciences

Scholarship on the Chinese Indonesian community has largely been concerned with the tensions between the community and the majority non-Chinese (or pribumi). The fault lines were usually examined against the background of Suharto’s assimilation policy, the 1998 anti-Chinese riots, the stark imbalance of the nation’s wealth within this minority group, and Chinese loyalty – or chauvinism – in the time of nation-building, and in the face of the rise of modern China. Little attention has been given to Christianity as offering a shelter for the inconspicuous propagation of Chineseness; particularly in terms of the conduct of services in Chinese, the …

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Media Coverage And The Stock Market Valuation Of Tarp Participating Banks, Tee Yong Jeffrey Ng, Florin P. Vasvari, Regina Wittenberg-Moerman Apr 2016

Media Coverage And The Stock Market Valuation Of Tarp Participating Banks, Tee Yong Jeffrey Ng, Florin P. Vasvari, Regina Wittenberg-Moerman

Research Collection School Of Accountancy

We examine the impact of media coverage of the Capital Purchase Program (CPP) under the Troubled Assets Relief Program on the equity market valuation of participating bank holding companies (CPP banks). We document substantial negative coverage of the CPP and its participants over the five quarters following the program's initiation. We find that the extent of negative media coverage about the CPP exerted substantial downward pressure on the stock returns of CPP banks, decreasing their valuation relative to bank holding companies not participating in the program. We show that our findings cannot be explained by differences in the banks’ financial …

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Opinion Question Answering By Sentiment Clip Localization, Lei Pang, Chong-Wah Ngo Mar 2016

Opinion Question Answering By Sentiment Clip Localization, Lei Pang, Chong-Wah Ngo

Research Collection School Of Computing and Information Systems

This article considers multimedia question answering beyond factoid and how-to questions. We are interested in searching videos for answering opinion-oriented questions that are controversial and hotly debated. Examples of questions include "Should Edward Snowden be pardoned?" and "Obamacare-unconstitutional or not?". These questions often invoke emotional response, either positively or negatively, hence are likely to be better answered by videos than texts, due to the vivid display of emotional signals visible through facial expression and speaking tone. Nevertheless, a potential answer of duration 60s may be embedded in a video of 10min, resulting in degraded user experience compared to reading the …

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A More Accurate Model For Finding Tutorial Segments Explaining Apis, He Jiang, Jingxuan Zhang, Xiaochen Li, Zhilei Ren, David Lo Mar 2016

A More Accurate Model For Finding Tutorial Segments Explaining Apis, He Jiang, Jingxuan Zhang, Xiaochen Li, Zhilei Ren, David Lo

Research Collection School Of Computing and Information Systems

Developers prefer to utilize third-party libraries when they implement some functionalities and Application Programming Interfaces (APIs) are frequently used by them. Facing an unfamiliar API, developers tend to consult tutorials as learning resources. Unfortunately, the segments explaining a specific API scatter across tutorials. Hence, it remains a challenging issue to find the relevant segments. In this study, we propose a more accurate model to find the exact tutorial fragments explaining APIs. This new model consists of a text classifier with domain specific features. More specifically, we discover two important indicators to complement traditional text based features, namely co-occurrence APIs and …

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