• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 184
  • 48
  • 13
  • 5
  • 4
  • 4
  • 4
  • 3
  • 2
  • 2
  • 2
  • 1
  • 1
  • Tagged with
  • 280
  • 88
  • 81
  • 79
  • 79
  • 79
  • 78
  • 78
  • 77
  • 52
  • 50
  • 30
  • 28
  • 26
  • 26
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
41

Indonesian foreign policy: a quest for the balance of threats. The role and relevance of elite perceptions in explaining Indonesian foreign policy outcomes.

Novotny, Daniel, School of Politics & International Relations, UNSW January 2007 (has links)
This study is a comprehensive account of Indonesian foreign policy. It analyses the perceptions of the country???s foreign policy elite about other states and the manner in which these shape the decision-making process and determine policy outcomes. It demonstrates that the dynamics of Indonesian foreign relations in the reformasi period can be understood in terms of elite perceptions. Policy-makers??? perceptions are as important as realities, insofar as they shape their real actions. The balance-of-threat theory is the principal analytical tool used to examine elite perceptions. The study argues that the key realist balance-of-power theory lacks the power to explain past dynamics or to predict future direction of Indonesian foreign relations. The balance-of-threat theory is employed here as a predictor about how Indonesia will behave and whether it will implement policies intended to prevent other countries from endangering Indonesia???s national interests and security. The combined qualitative and quantitative research strategy is based on, but by no means limited to, archival study, content analysis of literature and official statements of relevant Indonesian policy-makers and the survey data. The latter approach draws on a series of 45 in-depth interviews with members of the Indonesian foreign policy elite. Indonesian relations with the United States and China are the highest concern of the elite. The leaders believe that, in the future, Indonesia will increasingly have to manoeuvre between the two rival powers. While the United States is currently seen as the main security threat to Indonesia, China is considered the main malign factor in the long run with power capabilities that need to be constrained and counter-balanced. The ambiguity, dichotomy and haphazardness that have characterized Indonesian foreign policy in the reformasi period are caused by four factors: first, the existence of a plurality of disparate views and attitudes among the contemporary Indonesian elite; second, the perceived complex security challenges on all fronts that are both internal and external in origins and traditional and non-traditional in nature; third, a low level of elite consensus about how to rank the external threats according to their urgency; and, fourth, a significant disparity between the elite???s present threat assessment and its long-term threat assessment.
42

Fertility decisions and the sustainability of public pension systems.

Steurer, Miriam, Economics, Australian School of Business, UNSW January 2008 (has links)
Chapter 2: Welfare comparisons between funded and pay-as-you-go (PAYG) or unfunded pension systems are often made using the Aaron condition (Aaron, 1966). However, the Aaron condition as usually stated is not precise enough about the exact form of the PAYG pension system. PAYG pension systems can be either of the defined benefit or defined contribution variety. They can also differ with regard to intra-generational redistribution, for example pension benefits can be flat or earnings related. Here, four alternative PAYG pension systems are considered. It is shown that each system generates its own Aaron condition. In addition, the standard Aaron condition assumes that the wage rate and labour participation rate does not vary across individuals. These assumptions are also relaxed. Using US data covering the period 1933-2001, it is shown that the results of welfare comparisons are highly sensitive to different specifications of PAYG systems. Chapter 3: The sustainability of a defined benefit pay-as-you-go (DBPAYG) pension system is investigated in the context of an overlapping-generations model of endogenous fertility. The model places particular emphasis on the time costs of child rearing. It illustrates the mechanism by which such a pension system can increase the opportunity cost of having children and hence sow the seeds of its own destruction. The model is then extended to allow for fertility-based payments. Such a system is more likely to be sustainable. These models highlight a number of issues that are of considerable relevance to a number of OECD countries that have generous DBPAYG pension systems and falling fertility rates. Chapter 4: The previous chapter focused on transition dynamics, while this chapter investigates steady state outcomes of fertility based defined benefit pay-as-you-go (DB-PAYG) pension systems in the context of an overlapping-generations model with endogenous fertility and heterogeneous agents. Special attention is paid to the impact on fertility, utility, taxation, and per capita saving. Chapter 5: A two-stage bargaining model is developed to describe how fertility decisions are made in a strategic family setting. Given the assumption that family contracts are incomplete and cannot be used to enforce optimal behaviour, it is shown that investments in children (i.e. the fertility rate) may be sub-optimal. This is because the woman may find it in her interest to invest too little in children in stage 1 of the model in order to protect her bargaining status in stage 2. The chapter then considers in the context of this model the impact on fertility rates of changes in child custody rules (in the case of divorce), the wage rate, and the male-female wage differential. It concludes by exploring how the introduction of child subsidies can change the results.
43

Sing at the Moon: the contextual narrative of isolation and grief in Australian women???s writing.

Hill, Barbara, School of English, UNSW January 2007 (has links)
???Sing at the Moon: the contextual narrative of isolation and grief in Australia women???s writing??? comprises two complementary elements of a single thesis: a novel and a critical essay. My novel takes as its starting point the impact of unsolved murders on small regional communities and uses this to explore the effects of isolation and grief on subjectivities, particularly women???s. The novel represents an original contribution to that strand of contemporary Australian fiction, especially as written by women, which deals with the Australian bush myth and the effects on women of the masculinism of Australian national identity. The critical component of my thesis examines Thea Astley???s Drylands and Dorothy Hewett???s Neap Tide in terms of how each novel engages with Australian literary traditions and offers an explicit critique of Australian masculinist culture. I focus on the ways the novels represent violence against women and show how this violence works to underpin the masculinist myth of mateship - to reveal a more sinister underbelly of Australian culture. Their critique of Australian masculinist culture also works at the level of form where both writers subvert a traditional ???realist??? form for political as well as aesthetic purposes. I see myself primarily as a writer and feminist who uses theory and criticism as a way of reflecting on my own creative practice in the light of writing as social responsibility. My approach both to my own novel and to Drylands and Neap Tide is shaped by Susan Lever???s proposal that ???writing and reading lie at the heart of feminism; they are the means by which women can explore and communicate the deepest aspects of their condition??? (2000,132). In my essay I am interested in providing a critical context for the novel by exploring feminist theories of subjectivity and the ways these can be represented in fiction. As a result I will analyse some of the narrative conventions employed in Hewett???s and Astley???s novels. I will show that the work of both writers operates in the context of an Australian literary tradition ??? both past and present ??? and informs and negotiates new ways that accommodate feminist concerns with fictional practice.
44

Reverberations:An exploration of memory and cultural identity.

Powell, Diane, School of English, Media & Performing Arts, UNSW January 2008 (has links)
This thesis is about the way memory and identity are continually reconstituted and how they shape and impinge upon each other. I use my own experience of growing up in Italian and Anglo Australian cultures as a primary source to examine the changing nature of memory affects and to consider they ways in which events of the past have formed and transformed my cultural identity. I also explore the intermingling of personal and collective memory and how ethnic groups negotiate community identity within national identity formations. Concepts of Deleuze and Guattari, particularly those of the rhizome, the refrain and territorialisation, are keys to understanding practices associated with memory and identity and I apply them throughout the thesis. Nostalgia and loss are emotions often tangled up with memory and identity and I use the work of Barthes, Stewart and Woodward in discussing these. I use other diverse theories to look at the ways memory is embedded in the body ?? manifested in gestures, performance and everyday practices ?? and mediated in rituals, film, photographs, documents and objects. The style of writing does not adhere to the conventions of academic discourse and diverts intermittently from scholarly argumentation. It assembles disparate memory events ?? both personal and collective ?? along with factual information, fragments of biography and autobiography, and reflection and analysis. It is written this way in part to resemble the process of thinking and remembering which is never a smooth, logically flowing stream of intelligence.
45

Polyurethane/carbon nanotube composites for biomedical applications.

Williams, Charles, Graduate School of Biomedical Engineering, Faculty of Engineering, UNSW January 2008 (has links)
Carbon nanotube (CNT) polymer composites have attracted much attention since the extraordinary electrical and mechanical properties of CNTs were realised. However research into biomedical applications of CNT/polymer composites has received little attention. The aim of this thesis was to fabricate an electrically conductive, biocompatible polymer based on a poly(ether)urethane (PEU) with multiwalled carbon nanotubes (MWNTs) as the conductive filler. Paramount to achieving this was to obtain good dispersion and integration of MWNTs within the host polymer matrix. A number of different strategies were investigated including high energy mixing of MWNTs in PEU and covalent functionalisation of MWNTs with long chain hydrocarbons, poly(tetramethylene oxide) (PTMO) and poly(acrylic acid) (pAA) for enhanced miscibility with PEU. The impact of these strategies was assessed by testing the tensile properties, electrical conductivity as well as cytotoxicity of resulting MWNT/PEU composites. It was found that high energy mixing in the presence of MWNTs caused severe degradation of PEU, resulting in significant cytotoxicity and reductions in composite tensile strength. Covalent functionalisation of MWNTs was achieved by utilising defect group chemistry to attach a range of molecules. PTMO covalently attached to MWNTs was found to cause significant nanotube aggregation in PEU composites. Long chain hydrocarbons covalently attached to MWNTs exhibited enhanced dispersability in PEU with increasing molecular weight, attributed to disrupting intertube Van der Waals forces and providing favourable hydrophobic interactions with PEU. Additionally these composites exhibited increased conductivity and decreased cytotoxicity with increasing hydrocarbon length. However increasing long chain hydrocarbon molecular weight also caused significant reductions in MWNT conductivity. MWNTs surface modified with carboxylic acid groups exhibited favourable hydrophilic interactions with PEU but did not retain tensile properties at nanotube loadings where electrical conductivity was significant. Successful polymerisation of acrylic acid monomer initiated from MWNTs using a reversible addition-fragmentation chain transfer polymerisation was demonstrated. Resulting pAA-MWNTs exhibited enhanced dispersability in water but not in PEU composites, resulting in severe degradation in composite tensile properties. PAA-MWNTs also exhibited decreased conductivity with increasing pAA molecular weight. Incorporating MWNTs in PEU composites has been demonstrated to impart multi-functionality to existing biomaterials for potential uses in a range of biomedical applications.
46

A domain-driven approach for detecting event patterns in e-markets: a case study in financial market surveillance.

Mangkorntong, Piyanath (Aim), Computer Science & Engineering, Faculty of Engineering, UNSW January 2008 (has links)
In this research, we look at the problem of detecting complex situations arising in Electronic Markets or e-markets. E-markets have been growing in size rapidly over the past few years. Large amounts of transactions are being generated from e-markets everyday so data analysis tools are required for several business processes such as market strategy evaluation or illegal trading activity detection. However, our literature review shows existing tools available today still cannot overcome all the main challenges such as dealing with a large amount of incoming real-time data from multiple market feeds and providing a user with no programming skills the ability to extract data efficiently. This thesis proposes to address this problem using the Event Processing concept. We model an e-market as a distributed event-driven system. Therefore, we can refer to e-market transactions as events and use an Event Processing System (EPS) as a data analysis tool. To implement our solution, we propose a new EPS architecture that allows the integration of several existing EPSs (called slave EPSs) under a unified domain-specific user interface and execution environment. Since different EPSs rely on different data models and event pattern models, our proposal also includes a unified e-market data model and event pattern framework for defining, composing and executing event patterns. Selected common event patterns used for financial market surveillance in several stock exchanges have been used to evaluate the proposed work. The proposed event pattern framework has proved that it has the capability of expressing event patterns of varying complexities. In terms of the proposed EPS architecture, a system prototype has been successfully developed using two sophisticated commercial systems, Coral8 and SMARTS, as slave EPSs. The experiments performed involve the execution of selected event patterns against real historical data from the Stock Exchange of Thailand (SET). Our solution is cost-efficient and provides a number of benefits that can be used in practice. The proposed data model and event pattern framework can be used during the requirement gathering phase. The proposed EPS architecture provides users a unified interface with no programming skills for application development and the ability to customise and execute event patterns for different existing EPSs. Moreover, it can be used to facilitate the suitable EPS selection to achieve a more efficient event pattern detection process.
47

Monumental amnesia: reading the spatial narratives written by contemporary urban landscapes.

Rozentals, Darien Jane, School of English, UNSW January 2008 (has links)
Monumental Amnesia: Reading the Spatial Narratives Written by Contemporary Urban Landscapes This thesis analyses the spatial stories inscribed into urban landscapes by monuments. Differentiating between officially sanctioned, symbolic, and everyday monuments, this thesis theorises the narratological space composed by these objects: static, imagined and transitional, respectively. It argues that monumental sites are spaces of forgetting, rather than remembering, characterised through invisibility, opacity and mystification. Infused with paradox, monuments simultaneously reveal and conceal the histories and urban memories they are expected to commemorate. The discussion then turns to contemporary art, in particular memory installations, as a practice that counters the mystification inherent within urban space, actively exposing alternative pasts and memories. The thesis is divided into three chapters. The first analyses the contemporary, officially sanctioned monuments of Vilnius, Lithuania that celebrate an ancient nationalism, alongside two neighboring sculpture parks that display retired Soviet icons, with a particular focus on Gintaris Karosas?? sculpture Infotree LNK. The second chapter theorises symbolic monuments, and focuses on the Japanese theme park Tobu World Square as a curiosity cabinet where the contemporary spatial practice, identified by Anthony Giddens, of ??disembedding?? is performed in miniature. It concludes with a discussion of Susan Norrie??s DVD installation of the park ENOLA. The third chapter examines everyday monuments, focusing on the industrial ruins of Manchester to unravel the archival aspects of these monuments and their gentrification. It closes with a study of Cornelia Parker??s installation Cold Dark Matter: An Exploded View. Through these urban case studies and accompanying memory installations, the thesis explores how urban monuments disguise certain histories and memories of a city, and how art can reclaim alternative stories and memories from urban amnesia.
48

Computing order statistics over data streams.

Zhang, Ying, Computer Science & Engineering, Faculty of Engineering, UNSW January 2008 (has links)
Statistics computation over data streams is often required by many applications, including processing of relational type queries, data mining and high speed network management. Among various s tatistics, order statistics computation is one of the most challenging, and is employed in many real applications, such as web ranking aggregation and log mining, sensor data analysis, trends and fleeting opportunities detection in stock markets and load balanced data partitioning for distributed computation. In this thesis, we investige three important problems in computing order statistics over data streams: 1. Computing rank queries over data streams with relative error guarantee. 2. Computing rank queries over data streams with duplication. 3. Computing top-k ranked queries on the sliding window. We first consider the problem of continuously maintaining order sketches over data streams with a relative rank error guarantee ε. Two space-efficient and onescan randomised algorithms are developed. And they are immediately applicable to approximately compute quantiles over data stream with relative error guarantee ε and significantly improve the space bound of previous work. In many real applications including data streams, data elements may be observed and recorded multiple times. Without uniqueness assumption on observed data elements, many conventional statistics computation problems need to be reinvestigated. To address the problem of order statistics computation against data streams with duplicate, we develop a novel, space-efficient one scan theoretical framework, based on an existing technique for counting distinct elements, to continuously maintain sketches so that rank-based queries can be approximately processed with a relative error guarantee ε. Moreover, we also propose two timeefficient algorithms. Finally, we study the problem of computing top-k ranked queries over the sliding window. Based on the observation that the K-Skyband of the elements is the minimal candidate set for the top-k ranked queries with arbitrary monotone preference functions where k ≤ K, we develop novel algorithms to continuously maintain the K-Skyband over the sliding window. Efficient query algorithm is presented to support the massive top-k ranked queries in real time.
49

Touching at depth: intimate spaces in the Japanese family.

Tahhan, Diana Adis, Languages & Linguistics, Faculty of Arts & Social Sciences, UNSW January 2008 (has links)
Touch, as it is conventionally conceived, appears to be lacking in Japanese intimate relationships. Physical or visible forms of intimate touch are generally relegated to particular body practices or contexts such as co-bathing and co-sleeping, and are usually uncharacteristic of everyday experiences of intimacy. Instead, Japanese relationships are commonly defined in terms of subtle forms of communication, such as ishin denshin (heart-to-heart communication) and ittaikan (feelings of oneness), where feelings are expected to be inferred. However, it is unclear as to how such forms manifest feelings of closeness in the first place. This study opens up these feelings of closeness through exploring the embodied experience and tangible connection in the intimate spaces of the Japanese family. It describes a relational experience of space, depth and touch that is beyond the scope of conventional theories of the body. Drawing on Japanese sociologies of the body as well as other sociological tools that are relevant to everyday Japanese experiences, this study also offers universal contributions to the understandings of how touch can exist as a manifestation of intimacy. The first part of the thesis introduces the reader to the critical concepts and theories driving the study. The key ideas and understandings of Japanese relationships are also considered, leading to the suggestion that a conceptual understanding of embodiment will add to such literature. Part One concludes with a specific investigation of my field research on intimacy in Japan. The second part of the thesis explores how skinship (intimacy through touch) exists and feels in Japanese parent-child and marital relationships. A theory of touch is developed, via Japanese relationships, which is not restricted to physical or visible forms of touch. Described as touching at depth, this theory explores alternative ways of understanding experiences of intimacy that are not necessarily linked to tactile feeling or spatial closeness. Although bodily forms of touch exist in some relationships, other relational states become significant to feelings of connectedness, particularly as the child grows older. The third part of the thesis explores this shift, along with how the Japanese child adapts to the world, when their initial ways of touching no longer exist. Emphasis here is not just on primary 'home‘ relationships, but also on teacher-child relationships, and the way familial relationships shift as the child moves back and forth between the home and world. It becomes clear in Part Three that touch becomes felt differently as the child grows older and feels their significance and connection with the world in more encompassing ways.
50

Ecology and extinction of Southeast Asia’s Megafauna

Louys, Julien, School of Biological, Earth & Environmental Science, UNSW January 2007 (has links)
The Quaternary megafauna of Southeast Asia are among the world’s poorest known. Throughout the Pleistocene, continental collisions, active volcanic systems and fluctuations in sea level have had dramatic effects on the region's geography, from southern China to Indonesia. Many Southeast Asian megafauna experienced geographical range reduction or complete extinction during that interval. This thesis explores the relative influence of environmental change and human interaction in these extinctions. There is currently no direct evidence to suggest that humans had a negative impact on Southeast Asian megafauna until the Holocene. Rather, extinctions and geographical range reduction experienced by megafauna are likely to have resulted from of loss of suitable habitats, in particular the loss of more open habitats. Environmental change throughout the Pleistocene of Southeast Asia is reconstructed on the basis of discriminant functions analysis of megafauna from twenty-seven Southeast Asian Quaternary sites, as well as Gongwangling, an early Pleistocene hominin site previously interpreted as paleoarctic. The discriminant functions were defined on the basis of species lists drawn from modern Asian nature reserves and national parks, and were analysed using both taxonomic and phylogeny-free variables. Biases present in these species lists were mitigated against using a range of multivariate techniques. The reconstructions show that Pleistocene environments in Southeast Asia varied from open (e.g. savannah), mixed (woodland) and closed (e.g. rainforest) habitats. Changes in habitats through time are likely to have been driven, at least in part, by changes in sea-level, in turn related to oscillations between glacial and interglacial conditions. The environmental changes associated with these oscillations are likely to have adversely affected many of Southeast Asia’s megafauna. The Toba super-eruption (~74kya) is unlikely to have been responsible for any of the megafauna extinctions of the Late Pleistocene.

Page generated in 0.0596 seconds