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Articles 1 - 8 of 8
Full-Text Articles in Entire DC Network
Gender Effects In Hedge Funds Performance, Karen Yoke Wah Gan
Gender Effects In Hedge Funds Performance, Karen Yoke Wah Gan
Dissertations and Theses Collection (Open Access)
This paper shows that after controlling for total risks (as funds do not typically hold a completely large diversified portfolio) across different funds, female-managed funds appear to perform better in certain circumstances. For example, female-managed hedge funds perform better during post-crisis times, for investments using the Relative Value Style and also when investments are in the Asia excluding Japan region. However, there are still many conditions in which male-managed funds seem to perform better. Namely, male-managed funds performed significantly positive in the Relative Value, Security Selection, and Multiprocess Styles, notably during the pre-crisis period and also when investments are in …
The Cultural Pragmatics Of Political Apology, Hiro Saito
The Cultural Pragmatics Of Political Apology, Hiro Saito
Research Collection School of Social Sciences
In recent decades, research on ‘political apology’, wherein the state apologizes to victims of its past wrongs, has multiplied, as redress movements based on human rights have proliferated around the world. Since most of this research has been conducted by political philosophers, however, analyses of political apologies tend to adopt formal and normative perspectives. To propose an alternative, empirically-grounded approach, in this paper, I develop the ‘cultural pragmatics’ of political apology. To this end, I first conceptualize political apology as a social performance aimed to ‘re-fuse’ an impaired relationship between the perpetrator state and the victim individual. This conceptual move …
A Survey On Wireless Indoor Localization From The Device Perspective, Jiang Xiao, Zimu Zhou, Youwen Yi, Lionel M. Ni
A Survey On Wireless Indoor Localization From The Device Perspective, Jiang Xiao, Zimu Zhou, Youwen Yi, Lionel M. Ni
Research Collection School Of Computing and Information Systems
With the marvelous development of wireless techniques and ubiquitous deployment of wireless systems indoors, myriad indoor location-based services (ILBSs) have permeated into numerous aspects of modern life. The most fundamental functionality is to pinpoint the location of the target via wireless devices. According to how wireless devices interact with the target, wireless indoor localization schemes roughly fall into two categories: device based and device free. In device-based localization, a wireless device (e.g., a smartphone) is attached to the target and computes its location through cooperation with other deployed wireless devices. In device-free localization, the target carries no wireless devices, while …
The Effects Of Multiple Query Evidences On Social Image Retrieval, Zhiyong Cheng, Jialie Shen, Haiyan Miao
The Effects Of Multiple Query Evidences On Social Image Retrieval, Zhiyong Cheng, Jialie Shen, Haiyan Miao
Research Collection School Of Computing and Information Systems
System performance assessment and comparison are fundamental for large-scale image search engine development. This article documents a set of comprehensive empirical studies to explore the effects of multiple query evidences on large-scale social image search. The search performance based on the social tags, different kinds of visual features and their combinations are systematically studied and analyzed. To quantify the visual query complexity, a novel quantitative metric is proposed and applied to assess the influences of different visual queries based on their complexity levels. Besides, we also study the effects of automatic text query expansion with social tags using a pseudo …
Opinion Question Answering By Sentiment Clip Localization, Lei Pang, Chong-Wah Ngo
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 …
Negative Factor: Improving Regular-Expression Matching In Strings, Xiaochun Yang, Tao Qiu, Bin Wang, Baihua Zheng, Yaoshu Wang, Chen Li
Negative Factor: Improving Regular-Expression Matching In Strings, Xiaochun Yang, Tao Qiu, Bin Wang, Baihua Zheng, Yaoshu Wang, Chen Li
Research Collection School Of Computing and Information Systems
The problem of finding matches of a regular expression (RE) on a string exists in many applications such as text editing, biosequence search, and shell commands. Existing techniques first identify candidates using substrings in the RE, then verify each of them using an automaton. These techniques become inefficient when there are many candidate occurrences that need to be verified. In this paper we propose a novel technique that prunes false negatives by utilizing negative factors, which are substrings that cannot appear in an answer. A main advantage of the technique is that it can be integrated with many existing algorithms …
Board Diversity, Firm Risk, And Corporate Policies, Gennaro Bernile, Vineet Bhagwat, Scott Yonker
Board Diversity, Firm Risk, And Corporate Policies, Gennaro Bernile, Vineet Bhagwat, Scott Yonker
Research Collection Lee Kong Chian School Of Business
We examine the effects of diversity in the board of directors on corporate policies and risk. Using a multi-dimensional measure, we find that greater board diversity leads to lower volatility and better performance. The lower risk levels are largely due to diverse boards adopting more persistent and less risky financial policies. However, consistent with diversity fostering more efficient (real) risk-taking, firms with greater board diversity also invest persistently more in R&D and have more efficient innovation processes. Instrumental variable tests that exploit exogenous variation in firm access to the supply of diverse nonlocal directors indicate that these relations are causal.
Corporate Reorganisation Of China's Listed Companies: Winners And Losers, Zinian Zhang
Corporate Reorganisation Of China's Listed Companies: Winners And Losers, Zinian Zhang
Research Collection Yong Pung How School Of Law
This article is the first empirical study investigating the corporate reorganisation of Chinese domestically-listed companies. Through examining these cases, it challenges the assertion made by most of these corporate reorganisation plans and by Chinese state-run media reports that creditors and general public shareholders were the major beneficiaries. Through an analysis of the data generated from all forth-three such cases, this articles reveals that: First, unsecured creditors could have, on average, received 61.37% more of their claims if the fundamental value distribution principle, the absolute priority norm, could have been complied with in these reorganisations; Second, if the general-public-shareholder-protection scheme issued …