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Learning To Rank Only Using Training Data From Related Domain, Wei Gao, Peng Cai, Kam-Fai Wong, Aoying Zhou Jul 2010

Learning To Rank Only Using Training Data From Related Domain, Wei Gao, Peng Cai, Kam-Fai Wong, Aoying Zhou

Research Collection School Of Computing and Information Systems

Like traditional supervised and semi-supervised algorithms, learning to rank for information retrieval requires document annotations provided by domain experts. It is costly to annotate training data for different search domains and tasks. We propose to exploit training data annotated for a related domain to learn to rank retrieved documents in the target domain, in which no labeled data is available. We present a simple yet effective approach based on instance-weighting scheme. Our method first estimates the importance of each related-domain document relative to the target domain. Then heuristics are studied to transform the importance of individual documents to the pairwise …


Spirituality At Work And Organizational Citizenship Behavior: A Replication Study In Taiwan, Gilbert Tan, Christine Kuo, Eugene Zhen Yao Geh Jun 2010

Spirituality At Work And Organizational Citizenship Behavior: A Replication Study In Taiwan, Gilbert Tan, Christine Kuo, Eugene Zhen Yao Geh

Research Collection Lee Kong Chian School Of Business

Interest in Management, Spirituality and Religion (MSR) research has surged over the last decade. However, most of the studies are done in the Western context. Tan and Geh’s (2009) is an exception. In Tan and Geh’s study, they provided a theoretical model linking spirituality at work with organizational citizenship behavior (OCB) through organizational commitment as the mediator and tested it empirically. The findings of the study, though exploratory, were interesting. They affirmed the effectiveness of affective commitment as a mediator between spirituality at work and OCB. Normative commitment, however, was not as effective. Their findings also show that continuance commitment …


When The Text Runs Out: The Role Of The Court In Constitutional Construction, Jack Tsen-Ta Lee May 2010

When The Text Runs Out: The Role Of The Court In Constitutional Construction, Jack Tsen-Ta Lee

Research Collection Yong Pung How School Of Law

Constitutions in Westminster-style legal systems in Asia such as India, Malaysia and Singapore feature bills of rights with provisions phrased at a high level of abstraction. As a consequence, at some stage a particular constitutional text ‘runs out’ and ceases to provide a court with substantive guidance as to how fundamental liberties should be applied to specific factual scenarios. Nonetheless, as it remains the court’s duty to understand the implications of the constitutional text in order to determine the dispute before it, the judge must necessarily engage in constitutional construction. This may be described as the process of articulating rules …


A Discriminative Model Approach For Accurate Duplicate Bug Report Retrieval, Chengnian Sun, David Lo, Xiaoyin Wang, Siau-Cheng Khoo May 2010

A Discriminative Model Approach For Accurate Duplicate Bug Report Retrieval, Chengnian Sun, David Lo, Xiaoyin Wang, Siau-Cheng Khoo

Research Collection School Of Computing and Information Systems

Bug repositories are usually maintained in software projects. Testers or users submit bug reports to identify various issues with systems. Sometimes two or more bug reports correspond to the same defect. To address the problem with duplicate bug reports, a person called a triager needs to manually label these bug reports as duplicates, and link them to their "master" reports for subsequent maintenance work. However, in practice there are considerable duplicate bug reports sent daily; requesting triagers to manually label these bugs could be highly time consuming. To address this issue, recently, several techniques have be proposed using various similarity …


Bridging Lightweight And Heavyweight Task Organization: The Role Of Tags In Adopting New Task Categories, Christoph Treude, Margaret-Anne Storey May 2010

Bridging Lightweight And Heavyweight Task Organization: The Role Of Tags In Adopting New Task Categories, Christoph Treude, Margaret-Anne Storey

Research Collection School Of Computing and Information Systems

In collaborative software development projects, tasks are often used as a mechanism to coordinate and track shared development work. Modern development environments provide explicit support for task management where tasks are typically organized and managed through predefined categories. Although there have been many studies that analyze data available from task management systems, there has been relatively little work on the design of task management tools. In this paper we explore how tagging with freely assigned keywords provides developers with a lightweight mechanism to further categorize and annotate development tasks. We investigate how tags that are frequently used over a long …


Exploiting Query Logs For Cross-Lingual Query Suggestions., Wei Gao, Cheng Niu, Jian-Yun Nie, Ming Zhou, Kam-Fai Wong, Hsiao-Wuen Hon May 2010

Exploiting Query Logs For Cross-Lingual Query Suggestions., Wei Gao, Cheng Niu, Jian-Yun Nie, Ming Zhou, Kam-Fai Wong, Hsiao-Wuen Hon

Research Collection School Of Computing and Information Systems

Query suggestion aims to suggest relevant queries for a given query, which helps users better specify their information needs. Previous work on query suggestion has been limited to the same language. In this article, we extend it to cross-lingual query suggestion (CLQS): for a query in one language, we suggest similar or relevant queries in other languages. This is very important to the scenarios of cross-language information retrieval (CLIR) and other related cross-lingual applications. Instead of relying on existing query translation technologies for CLQS, we present an effective means to map the input query of one language to queries of …


Two-View Transductive Support Vector Machines, Guangxia Li, Steven C. H. Hoi, Kuiyu Chang May 2010

Two-View Transductive Support Vector Machines, Guangxia Li, Steven C. H. Hoi, Kuiyu Chang

Research Collection School Of Computing and Information Systems

Obtaining high-quality and up-to-date labeled data can be difficult in many real-world machine learning applications, especially for Internet classification tasks like review spam detection, which changes at a very brisk pace. For some problems, there may exist multiple perspectives, so called views, of each data sample. For example, in text classification, the typical view contains a large number of raw content features such as term frequency, while a second view may contain a small but highly-informative number of domain specific features. We thus propose a novel two-view transductive SVM that takes advantage of both the abundant amount of unlabeled data …


The Text Through Time, Jack Tsen-Ta Lee May 2010

The Text Through Time, Jack Tsen-Ta Lee

Research Collection Yong Pung How School Of Law

The text of a written constitution or bill of rights is prone to ‘drift’ or ‘slippage’ in the meanings of terms. Even if such meanings have not altered over time, because of changes in attitudes and values there may be disagreement with the text’s framers as to the scenarios that are covered or not covered by terms. This article submits that the distinction between the connotation and denotation of a term that has been applied in Australian jurisprudence is useful for determining the meaning of the text through time. The connotation of a term is the generally unchanging bundle of …


Eu Defence Integration And Nuclear Weapons: A Common Deterrent For Europe?, Ursula Jasper, Clara Portela Apr 2010

Eu Defence Integration And Nuclear Weapons: A Common Deterrent For Europe?, Ursula Jasper, Clara Portela

Research Collection School of Social Sciences

Nuclear weapons remain the unquestioned core of the defence postures of both France and the United Kingdom. At the same time, the European Union is progressively enhancing its Common Foreign and Security Policy (CFSP), notably through the establishment of a European Security and Defence Policy (ESDP). Yet, despite evident progress in the CFSP, whose ultimate purpose is to lead to a ‘common defence policy’, EU member-states still deal with nuclear issues on a predominantly national basis. What is the alleged purpose of European nuclear forces? How is the raison d’être of the French and British nuclear deterrents conceptualized against the …


Multicultural Experience, Idea Receptiveness, And Creativity, Angela K. Y. Leung, Chi-Yue Chiu Mar 2010

Multicultural Experience, Idea Receptiveness, And Creativity, Angela K. Y. Leung, Chi-Yue Chiu

Research Collection School of Social Sciences

Inspired by recent advances in creative cognition research, the authors examined in the current research some creative benefits of multicultural experiences. Study 1 showed that European American undergraduates had better creative performance immediately after being exposed to American and Chinese cultures or to a hybrid culture formed by fusing American and Chinese cultures; this effect was also observed 5 to 7 days after the initial exposure. Studies 2 and 3 showed that exposure to multicultural experiences is positively related to the likelihood of engaging in some creativity-supporting processes—generation of unconventional ideas (Study 2) and receptiveness to ideas originated from foreign …


The Attractive Female Body Weight And Female Body Dissatisfaction In 26 Countries Across 10 World Regions: Results Of The International Body Project I, Viren Swami, David A. Frederick, Toivo Aavik, Lidia Alcalay, Juri Allik, Donna Anderson, Norman P. Li Mar 2010

The Attractive Female Body Weight And Female Body Dissatisfaction In 26 Countries Across 10 World Regions: Results Of The International Body Project I, Viren Swami, David A. Frederick, Toivo Aavik, Lidia Alcalay, Juri Allik, Donna Anderson, Norman P. Li

Research Collection School of Social Sciences

This study reports results from the first International Body Project (IBP-I), which surveyed 7,434 individuals in 10 major world regions about body weight ideals and body dissatisfaction. Participants completed the female Contour Drawing Figure Rating Scale (CDFRS) and self-reported their exposure to Western and local media. Results indicated there were significant cross-regional differences in the ideal female figure and body dissatisfaction, but effect sizes were small across high-socioeconomic-status (SES) sites. Within cultures, heavier bodies were preferred in low-SES sites compared to high-SES sites in Malaysia and South Africa (ds = 1.94-2.49) but not in Austria. Participant age, body mass index …


Further Exploration On Relationship Between Crisp Sets And Fuzzy Sets, Zhaoxia Wang, Quan Wang, Ming Bai, Chen Zeng-Qiang, Zhen Sun Feb 2010

Further Exploration On Relationship Between Crisp Sets And Fuzzy Sets, Zhaoxia Wang, Quan Wang, Ming Bai, Chen Zeng-Qiang, Zhen Sun

Research Collection School Of Computing and Information Systems

This paper employs the concept of fuzzify upgrade operator to describe the relationship between crisp sets, fuzzy sets and higher order fuzzy sets, such as type-2 fuzzy sets. Theory analysis and case studies demonstrate that a crisp set can be represented by a type-1 fuzzy set, a type-1 fuzzy set can be represented by a type-2 fuzzy set, and a type-n (n>=2) fuzzy set can be represented by a type-(n+1) (n>=2) fuzzy set. The fuzzify upgrade operator makes crisp sets, type-1 fuzzy sets, type-2 fuzzy sets and any fuzzy sets much more accessible to all readers. The relationship …


Imagining “Indonesia”: Ethnic Chinese Film Producers In Pre-Independence Cinema, Charlotte Setijadi, Thomas Barker Jan 2010

Imagining “Indonesia”: Ethnic Chinese Film Producers In Pre-Independence Cinema, Charlotte Setijadi, Thomas Barker

Research Collection School of Social Sciences

In this paper, we aim to re-examine the roles of ethnic Chinese filmmakers in Indonesian cinematic history as a preliminary study in the reconsideration of the early years of the film industry. Here, we regard the simplification of history in the film industry as part of a broader attempt by nationalist and New Order ideologues to “appropriate” the origins of cinema and “ ” in Indonesia. On the same note, we argue that the narrative tradition that privileges “indigenous” filmmakers as the originators of asli (authentic ortrue) Indonesian culture on screen reflects the dominant yet narrow definition of nationalism as …


Shilpa Sayura Foundation - The Shilpa Sayura E-School, Lien Centre For Social Innovation Jan 2010

Shilpa Sayura Foundation - The Shilpa Sayura E-School, Lien Centre For Social Innovation

Social Space

In a country like Sri Lanka ravaged by decades of civil war, access to educational resources for an ethnically diverse population is scant at best, leading to disproportionate failure rates among high school students. The Shilpa Sayura team proposes to transform 600 existing tele-centres that facilitate e-learning and self-learning of the national curriculum to a new domain of digital knowledge that develops rural education in Sri Lanka.


Reconstituting The “Un-Person”: The Khmer Krom &The Khmer Rouge Tribunal, Mahdev Mohan Jan 2010

Reconstituting The “Un-Person”: The Khmer Krom &The Khmer Rouge Tribunal, Mahdev Mohan

2008 Asian Business & Rule of Law initiative

Despite the grand promise of victim participation at the ongoing trials of Extraordinary Chambers in the Courts of Cambodia (“ECCC”), this article notes the plight of an undeserved ethnic community, the members of which have become forgotten victims of genocide. The Article argues that if the ECCC’s trials are to have any resonance for the Khmer Krom, its affiliates and victims’ lawyers should avoid “othering” Khmer Krom victims of genocide, and instead adopt ethnographic approaches to lawyering that seek to ascertain communal desires for vindication.


News Which Moves The Market: Assessing The Impact Of Published Financial News On The Stock Market, Yu Chiang Soon Jan 2010

News Which Moves The Market: Assessing The Impact Of Published Financial News On The Stock Market, Yu Chiang Soon

Dissertations and Theses Collection (Open Access)

Recent years have seen a large increase in the volume of financial news available to investors daily. What has traditionally been restricted to print media has now evolved to include the internet and satellite television as important media sources for financial news. With this overwhelming flow of information available to investors, the impact of financial news on market prices is at best uncertain. In this paper, a computational text-scoring methodology will be employed to uncover behavioral responses by investors to negative news. The empirical methodology employed in this paper will consist of three parts. Firstly, through the General Inquirer (GI) …


Language Learning Interest At A New Management University In Multilingual Singapore, Glenn Wharton Jan 2010

Language Learning Interest At A New Management University In Multilingual Singapore, Glenn Wharton

Research Collection Lee Kong Chian School Of Business

The purpose of this article is fourfold: first, to report on a university-wide survey assessing demand among bilingual undergraduates for foreign language study in a management university in Singapore; second, to determine those factors influencing students' foreign language choice and also those influencing decisions not to pursue foreign language study; third, to discuss how the results contribute to curricular planning for foreign language provision; and fourth, to provide readers with a non-U.S. or European perspective on the issues of foreign language learning interest and choice. Using an online survey, results from 708 respondents indicated that, although already bilingual, an overwhelming …


Examining The Relationship Between Trust And Culture In The Consultant-Client Relationship, Stephanos Avakian, Timothy Clark, Joanne Roberts Jan 2010

Examining The Relationship Between Trust And Culture In The Consultant-Client Relationship, Stephanos Avakian, Timothy Clark, Joanne Roberts

Research Collection Lee Kong Chian School Of Business

This chapter examines the dimensions of inter-organizational and interpersonal trust as they are manifested in the consultant–client interaction, viewed within the ‘cultural spheres’ framework (Schneider and Barsoux, 2003). The chapter argues that the alignment or misalignment of culture(s) helps foster or hinder the presence of trust in the consultant–client relationship. We support our argument by demonstrating how culture becomes an important informative resource from which consultants and clients manage their expectations and risk taking. In inter-organizational contexts, trust is developed through artifacts and formal procedures that are shared by both parties. In interpersonal contexts, trust is developed through the mutual …


The Case For Criminalising Primary Infringements Of Copyright – Perspectives From Singapore, Cheng Lim Saw Jan 2010

The Case For Criminalising Primary Infringements Of Copyright – Perspectives From Singapore, Cheng Lim Saw

Research Collection Yong Pung How School Of Law

Hitherto, criminal liability only attached to, inter alia, the commercial manufacture, importation, distribution and sale of infringing copies of copyright material.1 In the noncommercial context, it was also a criminal offence to distribute infringing materials that had a prejudicial impact on the copyright owner.2 The defendant therefore could not be subject to criminal prosecution for infringing acts that were not motivated by profit or that did not involve “prejudicial” distribution. Only civil liability attached to copyright infringements for what may be loosely termed “non-commercial” purposes. All this, of course, changed when the United States–Singapore Free Trade Agreement (USSFTA) was concluded …


The Chinese Classic Of Family Reverence: A Philosophical Translation Of The Xiaojing. By Henry Rosemont, Jr., And Roger T. Ames, Alan Kam Leung Chan Jan 2010

The Chinese Classic Of Family Reverence: A Philosophical Translation Of The Xiaojing. By Henry Rosemont, Jr., And Roger T. Ames, Alan Kam Leung Chan

Research Collection College of Integrative Studies

The fruitful partnership between Henry Rosemont, Jr., and Roger T. Ames which earlier yielded The Analects of Confucius: A Philosophical Translation1 has delivered another fine translation and study of a major Confucian classic—namely, the Xiaojing 孝經, rendered here as the “Classic of Family Reverence” but perhaps more commonly known to English readers as the “Classic of Filial Piety.” The translation will be welcomed by students of Chinese literature. The study of xiao that accompanies it should provoke much discussion and debate.


Crctol: A Semantic Based Domain Ontology Learning System, Xing Jiang, Ah-Hwee Tan Jan 2010

Crctol: A Semantic Based Domain Ontology Learning System, Xing Jiang, Ah-Hwee Tan

Research Collection School Of Computing and Information Systems

Domain ontologies play an important role in supporting knowledge‐based applications in the Semantic Web. To facilitate the building of ontologies, text mining techniques have been used to perform ontology learning from texts. However, traditional systems employ shallow natural language processing techniques and focus only on concept and taxonomic relation extraction. In this paper we present a system, known as Concept‐Relation‐Concept Tuple‐based Ontology Learning (CRCTOL), for mining ontologies automatically from domain‐specific documents. Specifically, CRCTOL adopts a full text parsing technique and employs a combination of statistical and lexico‐syntactic methods, including a statistical algorithm that extracts key concepts from a document collection, …


Adaptive Type-2 Fuzzy Maintenance Advisor For Offshore Power Systems, Zhaoxia Wang, C. S. Chang, Fan Yang, W. W. Tan Dec 2009

Adaptive Type-2 Fuzzy Maintenance Advisor For Offshore Power Systems, Zhaoxia Wang, C. S. Chang, Fan Yang, W. W. Tan

Research Collection School Of Computing and Information Systems

Proper maintenance strategies are very desirable for minimizing the operational and maintenance costs of power systems without sacrificing reliability. Condition-based maintenance has largely replaced time-based maintenance because of the former's potential economic benefits. As offshore substations are often remotely located, they experience more adverse environments, higher failures, and therefore need more powerful analytical tools than their onshore counterpart. As reliability information collected during operation of an offshore substation can rarely avoid uncertainties, it is essential to obtain consistent estimates of reliability measures under changing environmental and operating conditions. Some attempts with type-1 fuzzy logic were made with limited success in …


Udel/Smu At Trec 2009 Entity Track, Wei Zheng, Swapna Gottipati, Jing Jiang, Hui Fang Nov 2009

Udel/Smu At Trec 2009 Entity Track, Wei Zheng, Swapna Gottipati, Jing Jiang, Hui Fang

Research Collection School Of Computing and Information Systems

We report our methods and experiment results from the collaborative participation of the InfoLab group from University of Delaware and the school of Information Systems from Singapore Management University in the TREC 2009 Entity track. Our general goal is to study how we may apply language modeling approaches and natural language processing techniques to the task. Specically, we proposed to find supporting information based on segment retrieval, to extract entities using Stanford NER tagger, and to rank entities based on a previously proposed probabilistic framework for expert finding.


Semantic Context Transfer Across Heterogeneous Sources For Domain Adaptive Video Search, Yu-Gang Jiang, Chong-Wah Ngo, Shih-Fu Chang Oct 2009

Semantic Context Transfer Across Heterogeneous Sources For Domain Adaptive Video Search, Yu-Gang Jiang, Chong-Wah Ngo, Shih-Fu Chang

Research Collection School Of Computing and Information Systems

Automatic video search based on semantic concept detectors has recently received significant attention. Since the number of available detectors is much smaller than the size of human vocabulary, one major challenge is to select appropriate detectors to response user queries. In this paper, we propose a novel approach that leverages heterogeneous knowledge sources for domain adaptive video search. First, instead of utilizing WordNet as most existing works, we exploit the context information associated with Flickr images to estimate query-detector similarity. The resulting measurement, named Flickr context similarity (FCS), reflects the co-occurrence statistics of words in image context rather than textual …


Scalable Detection Of Partial Near-Duplicate Videos By Visual-Temporal Consistency, Hung-Khoon Tan, Chong-Wah Ngo, Richang Hong, Tat-Seng Chua Oct 2009

Scalable Detection Of Partial Near-Duplicate Videos By Visual-Temporal Consistency, Hung-Khoon Tan, Chong-Wah Ngo, Richang Hong, Tat-Seng Chua

Research Collection School Of Computing and Information Systems

Following the exponential growth of social media, there now exist huge repositories of videos online. Among the huge volumes of videos, there exist large numbers of near-duplicate videos. Most existing techniques either focus on the fast retrieval of full copies or near-duplicates, or consider localization in a heuristic manner. This paper considers the scalable detection and localization of partial near-duplicate videos by jointly considering visual similarity and temporal consistency. Temporal constraints are embedded into a network structure as directed edges. Through the structure, partial alignment is novelly converted into a network flow problem where highly efficient solutions exist. To precisely …


Detecting Automotive Exhaust Gas Based On Fuzzy Inference System, Li. Shujin, Ming Bai, Quan Wang, Bo Chen, Xiaobing Zhao, Ting Yang, Zhaoxia Wang Sep 2009

Detecting Automotive Exhaust Gas Based On Fuzzy Inference System, Li. Shujin, Ming Bai, Quan Wang, Bo Chen, Xiaobing Zhao, Ting Yang, Zhaoxia Wang

Research Collection School Of Computing and Information Systems

This paper proposes a method of detecting automotive exhaust gas based on fuzzy logic inference after analyzing the principle of the infrared automobile exhaust gas analyzer and the influence of the environmental temperature on analyzer. This paper analyses the measurement error caused by environmental temperature, and then makes a non-linear error correction of temperature for the infrared sensor using fuzzy inference. The results of simulation have clearly demonstrated that the proposed fuzzy compensation scheme is better than the non-fuzzy method.


Mediation And The Myth Of Universality, Nadja Alexander Sep 2009

Mediation And The Myth Of Universality, Nadja Alexander

Research Collection Yong Pung How School Of Law

In his essay entitled ‘Mediation: Pfade zum Frieden’, Professor Montada has made an important contribution to the mediation literature. He questions the universality of the standard mediation model that appears to be sweeping the world with enormous zeal and in doing so puts forward theories and principles to substantiate his view. To a large extent I agree with what the author has to say about the scope and potential for mediation. In particular I support his view that professional mediators need to be made aware of the cultural limitations of the model in which they are trained. As I write …


Exploiting Bilingual Information To Improve Web Search, Wei Gao, John Bitzer, Ming Zhou, Kam-Fai Wong Aug 2009

Exploiting Bilingual Information To Improve Web Search, Wei Gao, John Bitzer, Ming Zhou, Kam-Fai Wong

Research Collection School Of Computing and Information Systems

Web search quality can vary widely across languages, even for the same information need. We propose to exploit this variation in quality by learning a ranking function on bilingual queries: queries that appear in query logs for two languages but represent equivalent search interests. For a given bilingual query, along with corresponding monolingual query log and monolingual ranking, we generate a ranking on pairs of documents, one from each language. Then we learn a linear ranking function which exploits bilingual features on pairs of documents, as well as standard monolingual features. Finally, we show how to reconstruct monolingual ranking from …


Opening Philosophy To The World: Derrida And Education In Philosophy, Steven Burik Aug 2009

Opening Philosophy To The World: Derrida And Education In Philosophy, Steven Burik

Research Collection School of Social Sciences

In this essay, Steven Burik discusses Jacques Derrida's position with regard to the place of education in philosophy within the university system, and then relates these thoughts to comparative philosophy. Philosophers find themselves constantly having to defend philosophy and the importance of teaching philosophy against pressure from the powers that be. Burik contends that the argument Derrida set forth to "protect" philosophy entails a double bind: Derrida emphasized the value and importance of philosophical thinking while at the same time criticizing the limits of philosophy, both self-mandated and externally imposed. Derrida's defense of philosophy was anything but a protection of …


Measuring Method Complexity: Uml Versus Bpmn, Jan Recker, Michael Zur Muehlen, Keng Siau, John Erickson, Marta Indulska Aug 2009

Measuring Method Complexity: Uml Versus Bpmn, Jan Recker, Michael Zur Muehlen, Keng Siau, John Erickson, Marta Indulska

Research Collection School Of Computing and Information Systems

Graphical models are used to depict relevant aspects of real-world domains intended to be supported by an information system. Various approaches for modeling exist and approaches such as object-oriented and process-oriented modeling methods are in widespread use. These modeling methods differ in their expressive power as well as in their complexity of use, thereby leading to an important investment decision for organizations seeking to conduct modeling projects. In this paper, we used an established approach for evaluating the complexity of conceptual modeling methods and compared two important industry standards for modeling, Unified Modeling Language and Business Process Modeling Notation, based …