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Articles 20251 - 20280 of 23256
Full-Text Articles in Entire DC Network
Taking Stock Of The Creative Commons Experiment: Monitoring The Use Of Creative Commons Licenses And Evaluating Its Implications For The Future Of Creative Commons And For Copyright Law, Giorgos Cheliotis, Kam Wai, Warren Bartholomew Chik, Ankit Guglani, Giri Kumar Tayi
Taking Stock Of The Creative Commons Experiment: Monitoring The Use Of Creative Commons Licenses And Evaluating Its Implications For The Future Of Creative Commons And For Copyright Law, Giorgos Cheliotis, Kam Wai, Warren Bartholomew Chik, Ankit Guglani, Giri Kumar Tayi
Research Collection School Of Computing and Information Systems
We provide an analysis of the use of Creative Commons (CC) licenses, an approach to licensing creative works which has become very popular among authors who wish to promote more liberal sharing and use of their work. We provide data demonstrating the popularity of CC, examine which specific license types within the CC framework are most popular, and then identify contributing factors for the relative popularity of some of the license types.
Robust Local Search And Its Application To Generating Robust Schedules, Hoong Chuin Lau, Fei Xiao, Thomas Ou
Robust Local Search And Its Application To Generating Robust Schedules, Hoong Chuin Lau, Fei Xiao, Thomas Ou
Research Collection School Of Computing and Information Systems
In this paper, we propose an extended local search framework to solve combinatorial optimization problems with data uncertainty. Our approach represents a major departure from scenario-based or stochastic programming approaches often used to tackle uncertainty. Given a value 0 < ? 1, we are interested to know what the robust objective value is, i.e. the optimal value if we allow an chance of not meeting it, assuming that certain data values are defined on bounded random variables. We show how a standard local search or metaheuristic routine can be extended to efficiently construct a decision rule with such guarantee, albeit heuristically. We demonstrate its practical applicability on the Resource Constrained Project Scheduling Problem with minimal and maximal time lags (RCPSP/max) taking into consideration activity duration uncertainty. Experiments show that, partial order schedules can be constructed that are robust in our sense without the need for a large planned horizon (due date), which improves upon the work proposed by Policella et al. 2004.
Globally Distributed Software Development Project Performance: An Empirical Analysis, Narayanasamy Ramasubbu, Rajesh Krishna Balan
Globally Distributed Software Development Project Performance: An Empirical Analysis, Narayanasamy Ramasubbu, Rajesh Krishna Balan
Research Collection School Of Computing and Information Systems
Software firms are increasingly distributing their software development effort across multiple locations. In this paper we present the results of a two year field study that investigated the effects of dispersion on the productivity and quality of distributed software development. We first develop a model of distributed software development. We then use the model, along with our empirically observed data, to understand the consequences of dispersion on software project performance. Our analysis reveals that, even in high process maturity environments, a) dispersion significantly reduces development productivity and has effects on conformance quality, and b) these negative effects of dispersion can …
Insults In Your Inbox, M. Thulasidas
Insults In Your Inbox, M. Thulasidas
Research Collection School Of Computing and Information Systems
Email is a boon at work, but aggressive staff may use it to inflict humiliation. Most of its impact has been positive. An email from the big boss to all@yourcompany, for instance, is a fair substitute for a general communication meet- ing. In smaller teams, email often saves meetings and increases productivity.
Who’S Creating?, M. Thulasidas
Who’S Creating?, M. Thulasidas
Research Collection School Of Computing and Information Systems
We don’t read to retain information or knowledge any more. We search, scan, locate keywords, browse and bookmark. The Internet is doing to our reading habits what the calculator did to our arithmetic abilities. Knowledge is not cheap, although our easy access to it through the Internet may indicate otherwise. When we all become users of information, our knowledge will stop at its current level because nobody will be creating it any more.
Overview Of The Imageclef 2007 Object Retrieval Task, Thomas Deselaers, Steven C. H. Hoi
Overview Of The Imageclef 2007 Object Retrieval Task, Thomas Deselaers, Steven C. H. Hoi
Research Collection School Of Computing and Information Systems
We describe the object retrieval task of ImageCLEF 2007, give an overview of the methods of the participating groups, and present and discuss the results. The task was based on the widely used PASCAL object recognition data to train object recognition methods and on the IAPR TC-12 benchmark dataset from which images of objects of the ten different classes bicycles, buses, cars, motorbikes, cats, cows, dogs, horses, sheep, and persons had to be retrieved. Seven international groups participated using a wide variety of methods. The results of the evaluation show that the task was very challenging and that different methods …
Ntu: Solution For The Object Retrieval Task Of The Imageclef2007, Steven C. H. Hoi
Ntu: Solution For The Object Retrieval Task Of The Imageclef2007, Steven C. H. Hoi
Research Collection School Of Computing and Information Systems
Object retrieval is an interdisciplinary research problem between object recognition and content-based image retrieval (CBIR). It is commonly expected that object retrieval can be solved more effectively with the joint maximization of CBIR and object recognition techniques. We study a typical CBIR solution with application to the object retrieval tasks [26,27]. We expect that the empirical study in this work will serve as a baseline for future research when using CBIR techniques for object recognition.
Realizing Live Sequence Charts In System Verilog, Hai H. Wang, Shengchao Qin, Jun Sun, Jin Song Dong
Realizing Live Sequence Charts In System Verilog, Hai H. Wang, Shengchao Qin, Jun Sun, Jin Song Dong
Research Collection School Of Computing and Information Systems
The design of an embedded control system starts with an investigation of properties and behaviors of the process evolving within its environment, and an analysis of the requirement for its safety performance. In early stages, system requirements are often specied as scenarios of behavior using sequence charts for different use cases. This specication must be precise, intuitive and expressive enough to capture different aspects of embedded control systems. As a rather rich and useful extension to the classical message sequence charts, Live Sequence Charts (LSC), which provide a rich collection of constructs for specifying both possible and mandatory behaviors, are …
Protection For Sale Under Monopolistic Competition: An Empirical Investigation, Pao Li Chang
Protection For Sale Under Monopolistic Competition: An Empirical Investigation, Pao Li Chang
Research Collection School Of Economics
This paper proposes a general empirical framework to estimate the protection-for-sale model, where the protection regime shifts according to a sector's market structure (perfectly or monop-olistically competitive). We base the protection structure on Grossman and Helpman (1994) for the subset of perfectly competitive sectors and on Chang (2005) for the subset of monop- olistically competitive sectors. The two protection regimes are simultaneously estimated with joint constraints. The results of the J-test consistently reject the homogeneous (perfect compe- tition) protection-for-sale model often adopted in previous literature and suggest a direction of improvement toward the proposed heterogeneous protection structure model.
Singapore’S Cpf Retirement Scheme: Delivering More Bang For The Buck, Knowledge@Smu
Singapore’S Cpf Retirement Scheme: Delivering More Bang For The Buck, Knowledge@Smu
Knowledge@SMU
Singapore’s Central Provident Fund (CPF) is one of Asia’s oldest and best known defined contribution retirement schemes. As the country rapidly ages, government policymakers are paying close attention to whether its citizens and residents are saving enough for retirement. Benedict Koh, Olivia Mitchell and associates recently prepared two working papers which examine the CPF Investment Scheme (CPFIS) as well as its potential to adequately support members in retirement.
Mapping Better Business Strategies With Gis (Geographic Information Systems), Knowledge@Smu
Mapping Better Business Strategies With Gis (Geographic Information Systems), Knowledge@Smu
Knowledge@SMU
McDonald’s in Japan uses GIS (Geographic Information Systems) to help identify promising new store sites by overlaying demographic information on maps. The value of location as a business measure is fast becoming an important consideration for organisations, and GIS is emerging as a powerful location intelligence tool. Singapore Management University information systems professor Kam Tin Seong is a strong advocate and promoter of GIS for doing better business. Knowledge@SMU talked to Kam about GIS in general, and about his research project using GIS as a tool to better understand Singapore’s sizzling property market.
Mitch Joel On Social Media: 'A Tectonic Shift In How We Communicate', Knowledge@Smu
Mitch Joel On Social Media: 'A Tectonic Shift In How We Communicate', Knowledge@Smu
Knowledge@SMU
Mitch Joel is president of Twist Image, a Montreal-based multimarketing agency, vice-chairman (Quebec) for IAB Canada (Interactive Advertising Bureau), and an executive on the eMarketing Council of the CMA (Canadian Marketing Association). Joel was in Singapore to attend the country’s first ever PodCamp from 30-31 July, hosted by the Singapore Management University (SMU). SMU corporate communication professor Michael Netzley talked to Joel about emerging social media channels and networks, and the business opportunities for building and marketing brands to these new consumer communities.
Customer Versus Supplier Expectations: Bringing In Value Beyond Just The Widgets, Knowledge@Smu
Customer Versus Supplier Expectations: Bringing In Value Beyond Just The Widgets, Knowledge@Smu
Knowledge@SMU
In a highly competitive world where the customer expects to be king, why are so many firms unhappy with the products they purchase, sales staff who over-promise and don’t deliver, and less than optimal after-sales service? In a recent paper published in the Journal of Marketing, Singapore Management University marketing professor Kapil R. Tuli and Emory University professors Ajay K.Kohli and Sundar G. Bhardwaj shed light on what appears to be a fundamental mismatch between customer expectations and what suppliers think their customers want.
Big Picture Thinking Bridges Business-It Gap, Knowledge@Smu
Big Picture Thinking Bridges Business-It Gap, Knowledge@Smu
Knowledge@SMU
What lesson does John Godfrey Saxe’s poem, “The Blind Men and the Elephant”, offer information technology students at the Singapore Management University? The need for big picture thinking, says SMU information systems professor Venky Shakararaman, key architect of a business modelling and solution blueprinting course and co-author of a customised course text developed in partnership with Indian IT company, Infosys Technologies Ltd.
How Asian Companies Have Successfully Leveraged It To Go Global, Knowledge@Smu
How Asian Companies Have Successfully Leveraged It To Go Global, Knowledge@Smu
Knowledge@SMU
Asian companies are successfully leveraging IT to make a mark in the region and beyond. Jae Kyu Lee, Benjamin Gan Kok Siew and Vijay Sethi recently co-edited a book, Premier e-Business Cases from Asia: Problem-Solution-Challenge-Impact Approach, which provides an overview of innovative IT strategies and models adopted by 18 Asian companies in Korea and Singapore.
Regression With Slowly Varying Regressors And Nonlinear Trends, Peter C. B. Phillips
Regression With Slowly Varying Regressors And Nonlinear Trends, Peter C. B. Phillips
Research Collection School Of Economics
Slowly varying (SV) regressors arise commonly in empirical econometric work, particularly in the form of semilogarithmic regression and log periodogram regression. These regressors are asymptotically collinear. Usual regression formulas for asymptotic standard errors are shown to remain valid, but rates of convergence are affected and the limit distribution of the regression coefficients is shown to be one dimensional. Some asymptotic representations of partial sums of SV functions and central limit theorems with SV weights are given that assist in the development of a regression theory. Multivariate regression and polynomial regression with SV functions are considered and shown to be equivalent, …
The Coevolution Of Economic And Political Development, Fali Huang
The Coevolution Of Economic And Political Development, Fali Huang
Research Collection School Of Economics
This paper establishes a simple model of long run economic and political development, which is driven by the inherent technical features of di¤erent production factors and the political con‡icts among factor owners on how to divide the outputs. The main production factor in economy evolves from land to physical capital and then to human capital, which enables their respective owners (landlords, capitalists, and workers) to gain political power in the same sequence, shaping the political development path from monarchy to oligarchy and …nally to democracy with full su¤rage. When it is too costly for any group of factor owners to …
Change Of Dean At Smu Law School, Singapore Management University
Change Of Dean At Smu Law School, Singapore Management University
SMU Press Releases and News
No abstract provided.
A New Approach To The Measurement Of Polarization For Grouped Data, Eckart Bomsdorf, Clemens A. Otto
A New Approach To The Measurement Of Polarization For Grouped Data, Eckart Bomsdorf, Clemens A. Otto
Research Collection Lee Kong Chian School Of Business
In this paper we develop a measure of polarization for discrete distributions of non-negative grouped data. The measure takes into account the relative sizes and homogeneities of individual groups as well as the heterogeneities between all pairs of groups. It is based on the assumption that the total polarization within the distribution can be understood as a function of the polarizations between all pairs of groups. The measure allows information on existing groups within a population to be used directly to determine the degree of polarization. Thus the impact of various classifi- cations on the degree of polarization can be …
What They Know Vs. What They Do: How Acquirers Leverage Technology Acquisitions, Phanish Puranam, Kannan Srikanth
What They Know Vs. What They Do: How Acquirers Leverage Technology Acquisitions, Phanish Puranam, Kannan Srikanth
Research Collection Lee Kong Chian School Of Business
Existing research suggests that in acquisitions of small technology-based firms by large established firms post-merger integration both enables and hinders acquirers' efforts to leverage the technology of acquired firms. This apparent paradox can be resolved once we account for the qualitatively distinct ways in which acquirers leverage technology acquisitions. Integration helps acquirers use the acquired firm's existing knowledge as an input to their own innovation processes (leveraging what they know), but hinders their reliance on the acquired firm as an independent source of ongoing innovation (leveraging what they do). We also show that experienced acquirers are better able to mitigate …
Coordination In Distributed Organizations, Kannan Srikanth
Coordination In Distributed Organizations, Kannan Srikanth
Research Collection Lee Kong Chian School Of Business
Innovative work performed in a distributed fashion does not easily lend to itself either of two classic coordination strategies - anticipatory planning or ongoing rich communication. We study how innovative work that is distributed across space and time is coordinated in global software service organizations. Our findings indicate that neither coordination by plan nor coordination by feedback play a dominant role in the coordination of distributed software services delivery. Instead, we find that the firms we studied coordinate action distributed work by relying on common ground. Common ground leads to coordinated action across locations by two means: the anticipation effect …
Auditor Locality, Audit Quality And Audit Pricing, Jong-Hag Choi, Jeong-Bon Kim, Aini Qiu, Yoonseok Zang
Auditor Locality, Audit Quality And Audit Pricing, Jong-Hag Choi, Jeong-Bon Kim, Aini Qiu, Yoonseok Zang
Research Collection School Of Accountancy
No abstract provided.
Exploring The Role That Forecast Surprise And Forecast Error Play In Determining Management Forecast Precision, Jong-Hag Choi, Linda Myers, Yoonseok Zang, David Ziebart
Exploring The Role That Forecast Surprise And Forecast Error Play In Determining Management Forecast Precision, Jong-Hag Choi, Linda Myers, Yoonseok Zang, David Ziebart
Research Collection School Of Accountancy
No abstract provided.
Where Work And Death Meet, M. Thulasidas
Where Work And Death Meet, M. Thulasidas
Research Collection School Of Computing and Information Systems
STRESS is as much a part of our cor- porate careers as death is a fact of life. Still, it is best to keep the two (career and death) separate. This message is lost on some hardworking souls here who literally work themselves to death.
Cost-Time Sensitive Decision Tree With Missing Values, Shichao Zhang, Xiaofeng Zhu, Jilian Zhang, Chengqi Zhang
Cost-Time Sensitive Decision Tree With Missing Values, Shichao Zhang, Xiaofeng Zhu, Jilian Zhang, Chengqi Zhang
Research Collection School Of Computing and Information Systems
Cost-sensitive decision tree learning is very important and popular in machine learning and data mining community. There are many literatures focusing on misclassification cost and test cost at present. In real world application, however, the issue of time-sensitive should be considered in cost-sensitive learning. In this paper, we regard the cost of time-sensitive in cost-sensitive learning as waiting cost (referred to WC), a novelty splitting criterion is proposed for constructing cost-time sensitive (denoted as CTS) decision tree for maximal decrease the intangible cost. And then, a hybrid test strategy that combines the sequential test with the batch test strategies is …
An Augmented Approach To Support Collaborative Distance Learning Of Unified Modeling Language, Keng Siau, Fiona Fui-Hoon Nah, Brenda Eschenbrenner, Ashu Guru
An Augmented Approach To Support Collaborative Distance Learning Of Unified Modeling Language, Keng Siau, Fiona Fui-Hoon Nah, Brenda Eschenbrenner, Ashu Guru
Research Collection School Of Computing and Information Systems
Teaching in the classroom faces many challenges of providing a collaborative, interactive environment that effectively facilitates students’ learning. The challenges increase when the physical classroom converts into a virtual classroom. This difficulty is further exacerbated when the course is diagramming intensive, practice-oriented, and hands-on in nature. Technology has been sought after to help with these challenges. Web Conferencing software, when compared to Web Broadcasting software, can facilitate real-time interaction and collaboration in a distance learning context. For courses that are diagramming intensive and practice-oriented, Tablet PCs, when compared to desktop PCs, can support drawing and diagramming because of the ability …
Interface Design For Handheld Mobile Devices, Peter Tarasewich, Jun Gong, Fiona Fui-Hoon Nah
Interface Design For Handheld Mobile Devices, Peter Tarasewich, Jun Gong, Fiona Fui-Hoon Nah
Research Collection School Of Computing and Information Systems
Mobile computing has attracted a lot of attention from both the industry and academia in recent years. While a number of mobile applications have been developed, there are no established guidelines on the design of mobile device interfaces. This paper presents our initial efforts to provide a set of practical design guidelines for mobile device interfaces.
A Lateral Symmetry Approach To Percentage-Based Hybrid Pattern (Php) Training, Sheng-Uei Guan, Kiruthika Ramanathan
A Lateral Symmetry Approach To Percentage-Based Hybrid Pattern (Php) Training, Sheng-Uei Guan, Kiruthika Ramanathan
Research Collection School Of Computing and Information Systems
In this paper, we investigate the application of lateral symmetry to supervised learning using genetic algorithms. The hypothesis is motivated by the presence of symmetry in the animal brain and by research results showing approximately equal task division between the two hemispheres of the brain. In this paper, each training pattern is considered a task. By applying the concept of lateral symmetry, we use global training (a typically right brained activity) to learn half the tasks and local training (a left brained activity) to learn the rest of the tasks. We verified the use of this Percentage-based Pattern (PHP) training …
Increasing Innovation Through Identity Integration., Chi-Ying Cheng, Jeffrey Sanchez-Burks, Fiona Lee
Increasing Innovation Through Identity Integration., Chi-Ying Cheng, Jeffrey Sanchez-Burks, Fiona Lee
Research Collection School of Social Sciences
Innovation involves bridging existing knowledge systems from different areas. We propose that individuals who can integrate multiple social identities are better at combining knowledge systems associated with each identity, and thus exhibit higher levels of innovation. Three studies, each probing different types of social identities, provide evidence for this proposition. A laboratory experiment showed that Asian American biculturals who perceived their multiple cultural identities as compatible (high Identity Integration or high II) exhibited higher levels of innovation in creating new Asian-American recipes than biculturals who perceived their multiple cultural identities as conflicting (low Identity Integration or low II). A field …
Aid Suspensions As Coercive Tools? The European Union’S Experience In The African-Caribbean-Pacific (Acp) Context, Clara Portela
Aid Suspensions As Coercive Tools? The European Union’S Experience In The African-Caribbean-Pacific (Acp) Context, Clara Portela
Research Collection School of Social Sciences
Since the signing of the Cotonou Agreement in 2000, the European Union (EU) has suspended development aid towards a number of African Caribbean and Pacific (ACP) countries in response to breaches of Human Rights and democratic principles by activating the so-called Human Rights clause (article 96). The present article analyses the use by the EU of aid suspensions as political tools and their efficacy in achieving the desired policy goals, in an attempt to identify and explain the determinants leading to the success of these measures. The investigation finds that the use of development aid suspensions is frequently effective. Classical …