Intelligent cuckoo search optimized traffic signal controllers for multi-intersection network

Traffic congestion in urban roads is one of the biggest challenges of 21 century. Despite a myriad of research work in the last two decades, optimization of traffic signals in network level is still an open research problem. This paper for the first time employs advanced cuckoo search optimization algorithm for optimally tuning parameters of intelligent controllers. Neural Network (NN) and Adaptive Neuro-Fuzzy Inference System (ANFIS) are two intelligent controllers implemented in this study. For the sake of comparison, we also implement Q-learning and fixed-time controllers as benchmarks. Comprehensive simulation scenarios are designed and executed for a traffic network composed of nine four-way intersections. Obtained results for a few scenarios demonstrate the optimality of trained intelligent controllers using the cuckoo search method. The average performance of NN, ANFIS, and Q-learning controllers against the fixed-time controller are 44%, 39%, and 35%, respectively.

Using the four resources model across the curriculum

This chapter is aimed at student teachers and practising middle-years teachers in the primary school who are interested in developing their students' subject-specific literacies in preparation for their transition to secondary school. A number of texts and activities from a popular secondary textbook are analysed and mapped against the four resources model. Given that learning tasks that develop students as code breakers, text participants, text users and
text analysts are suggested, it is important to recognise that focus does not infer separation. The activity foci rely on the take-up of each of the other resources.

Weaning of Australian shortfin glass eels (Anguilla Australis): a comparison on the effectiveness of four types of fish roe

Eel culture is solely dependent on wild seed stock, caught in estuaries during the freshwater migratory phase as glass eels. The methods used for weaning glass eels are very variable, and range from the use of live zooplankton to fish roe to fines of commercial fish feeds. The present experiments were conducted on glass eels of the Australian shortfin eel, when the effectiveness of four types of readily available fish roe (European carp, mirror dory, orange roughy and warehou) were evaluated over a 42-day period, in the laboratory.

After 28 days the eels did not show an interest in orange roughy and mirror dory roe, and these two treatments were discontinued to avoid mortality. In all treatments there was a decrease in mean weight during this period, but the survival was over 99%. In the 28th to 42nd day period the mean weight and specific growth rate of glass eels reared on European carp and warehou roe increased, but the differences between these two treatments were not significant.

The physical features of the roe and the oocytes thereof, the proximate composition, amino acid and fatty acid composition indicated major differences amongst the roe types, particularly with regard to the amount of n−6 polyunsaturated fatty acids (PUFA) and the ratio of n−3 to n−6. European carp and warehou roe (and oocytes) had a significantly higher arachidonic acid (AA-20:4n−6; over 60% of PUFA) content and a considerably lower n−3 to n−6 ratio (n−3 to n−6 ratio being 1.32, 5.92, 3.77 and 2.67 for roe types, and 1.25, 4.83, 2.91 and 2.42 for oocytes, of European carp, mirror dory, orange roughy and warehou, respectively), than in the other two roe types. The fatty acid profiles of European carp and warehou roe were similar to that of metamorphosing glass eels.

Utility of mitochondrial DNA sequences from four gene regions for systematic studies of Australian freshwater crayfish of the Genus Cherax (Decapoda: Parastacidae)

One of the most important requirements for systematic and phylogenetic studies is the identification of gene regions with the appropriate level of variation for the question of interest. Molecular phylogenetic and systematic studies of freshwater crayfish have made use of DNA sequences mainly from ribosomal genes, especially the 16S rRNA gene region. Thus, little information is available on other potentially useful mitochondrial gene regions for systematic studies in these animals. In this study, we look at nucleotide variation and phylogenetic relations within and between four species of freshwater crayfish of the genus Cherax from the southwest of Western Australia using four fragments amplified from the 16S rRNA, 12S rRNA, Cytochrome Oxidase I (COI), and Cytochrome b (Cyt b) gene regions. Samples of Engaeus strictifrons, Euastacus bispinosus, and Geocharax falcata were also sequenced for comparative purposes. The size of the fragments varied from 358 bp to 600 bp. Across all samples, the four fragments showed significant phylogenetic signal and showed similar proportions of variable sites (28.81–37.33%). Average divergence within species for the mitochondrial gene regions varied from 1.18% to 4.91%, with the 16S rRNA being the least variable and Cyt b the most variable. Average divergence between species ranged 7.63–15.53%, with 16S rRNA being the least variable and COI the most variable. At the generic level, average divergence ranged 17.21–23.82%. Phylogenetic analyses of the 16S rRNA, 12S rRNA, and COI regions generated four clades consistent with the presence of four species previously identified on the basis of allozyme and morphological studies. The relationships among samples were largely congruent across the data set, although some relationships remained unresolved. Not all samples could be amplified using the Cyt b primers, and some of those that were showed quite anomalous relationships, suggesting that one or more Cyt b pseudogenes were being amplified.

The internet and competitive advantage : a study of Australia`s four premier professional sporting leagues

Sport and the Internet have shown early signs of a prosperous marriage. Web sites with sport content are among the most popular and well trafficked, with sport followers and web users sharing remarkably similar demographics. In the United States, the sport–Internet union is projected to generate US$6.27 billion in advertising revenue alone on sports-related web sites by 2005. Despite these compelling observations, limited empirical research has been undertaken exploring how to maximise the opportunities for competitive advantage that the Internet can provide to sport organisations. This research was a response to this void, and was undertaken in three stages. Initially, empirical and conceptual Internet literature was reviewed to establish theoretical “best practice”. Secondly, the Internet goals, strategies and practices of the 55 teams competing in the Australian Football League (AFL), National Basketball League (NBL), National Rugby League (NRL), and National Soccer League (NSL) were examined, using a telephone-administered survey. An 87% (N = 48) response rate was achieved. Finally, seven recommendations for closing this gap were made, including the implementation of Internet project teams and the instigation of league forums.

Take four pioneering poly women : a review of three classical texts on polyamory

This article reviews three classics of polyamory, Anapol's Love Without Limits: The Quest for Sustainable Intimate Relationships; Easton and Liszt's The Ethical Slut; and Nearing's Loving More: The Polyfidelity Primer. The reviewer defines the authors as pioneering poly women who have mapped the territory for authentic alternatives to compulsory monogamy in realistic yet visionary ways.

Four by two theory of non-profit museum governance

As plainly illustrated by the collapse of Enron in the US and HIH in Australia, the world of organisational governance is complicated. In response to ongoing trustee tensions, legislative reforms have been adapted to encourage organisational performance. However, limited theoretical foundation exists regarding how trustee dynamics are forced to adjust within non-profit museums. The trustee’s world requires insights from different mindsets to be synthesised into a whole. The purpose of this article is to examine the research conducted on governance and apply it to the non-profit museum. The article contends that most research on governance has been conducted in the for-profit arena, with little robust empirical research having been conducted on non-profit governance. It identifies concerns with the thrust of articles published as they restrict new theory development. The article provides a four by two theory of non-profit museum governance, that is characterised by close interaction with the research published and application to the non-profit museum. It concludes by demonstrating the increased performance opportunity of a model to the non-profit museum seeking to be accountable in an increasingly complex and demanding environment.

Phylogeny of the Australian freshwater crayfish Cherax destructor-complex (Decapoda:Parastacidae) inferred from four mitochondrial gene regions

The phylogenetic relationships among 32 individuals of Australian freshwater crayfish belonging to the Cherax destructor-complex were investigated using a dataset comprising sequences from four mitochondrial gene regions: the large subunit rRNA (16S rRNA), cytochrome oxidase I (COI), adenosine triphosphatase 6 (ATPase 6), and cytochrome oxidase III (COIII). A total of 1602 bp was obtained, and a combined analysis of the data produced a tree with strong support (bootstrap values 94–100%) for three divergent lineages, verifying the phylogenetic hypotheses of relationships within the C. destructor species-complex suggested in previous studies. Overall, sequences from the 16S rRNA gene showed the least variation compared to those generated from protein coding genes, which presented considerably greater levels of divergence. The level of divergence within C. destructor was found to be greater than that observed in other species of freshwater crayfish, but interspecific variation among species examined in the present study was similar to that reported previously.

Casey: four decades in the making of Australian foreign policy

Richard Casey was involved in shaping Australian foreign policy for over four decades. Casey's attitudes, ideas, policies and actions towards the rest of the world are therefore an important part of a Liberal tradition in Australian foreign policy. To examine Casey's place in the Liberal tradition this article explores Casey's positions on the great international issues of two periods: the 1930s and the 1950s. The conclusion of the article is that three key ideas shaped Casey's foreign policy, and therefore also lie at the centre of the Liberal tradition; firstly, a strong attachment to the idea of the English speaking alliance; secondly, a realist perspective on international affairs; and, thirdly, a consistent strand of anti-communism.

Hybrid and global kitchens - first and third world intersections (part 2)

Post-colonial movements for independence are voices of autonomy and independence before the onslaught of global organizations and cultures. This paper introduces the second set of themed papers in Gender, Place and Culture (see 13.2) which contains some of these voices, emanating from intensely private as well as communal and street kitchens; where women proclaim their visibility, economic value as food producers and transformers. The essays by Christie on the fiesta kitchens of central Mexico, Schroeder on the community kitchens of Bolivia and Peru, Robson on Islamic kitchens in rural Nigeria, Wardrop on the street vendors of south Durban and Pascali on Italian migrant kitchens in North East America, all acknowledge the vital contexts of 'development', urbanization, migration and industrialization to their stories, while also highlighting powerful elements of resistance and autonomy within the kitchen. As such the Western gaze records not so much the impacts of globalization as its cooking and transformation into something new, a hybrid dish, customized for local consumption.

The media and the development of the tourism industry during the 20th and 21st centuries: an analysis of four noteworthy cases

The aim of this paper was to explore the role of the media within the context of tourism, specifically with regard to how the media has influenced the activities and perceptions of the tourism sector. In this paper, the term ‘media’ is referred to as mass communication, specifically with regard to newspapers, magazines and broadcasting. It is important to gain a better understanding of the ways in which the media has interacted with the tourism sector, as this information can provide practitioners and academics with insights as to how the media can best be employed to benefit stakeholders of the tourism industry. Lessons can be learned from the past so that the experience gained from it can contribute to best practice in the future. In this way, strategies can be developed to minimise the vulnerability of the tourism sector to damaging or erroneous portrayals of it and its activities in the media.
The case study method was used to explore the role of the media within the context of tourism. Four case studies provided insights on this topic. The four case studies were selected based on their diversity, within the context of the tourism sector, and because they covered a considerable period of time. These variables provided the researchers with a wide-ranging perspective on the topic.
The paper firstly focuses on the 1920’s Waiters’ Strike in the resort town of San Sebastián, Spain, and discusses the role of the media in relation to this event. The second case investigates the use of the media as a destination-marketing tool and reflects on an early manipulation of this process by the German authorities in the documentary Olympia, a film produced for the summer Olympics in 1936. The third case study reports on the manner in which the media has created tensions between connoisseurs of fine food and drink and hospitality industry professionals, and its subsequent implications on service quality. The final case investigates the role of the media in reducing demand for hospitality services in Melbourne on New Year’s Eve 2000.
Through an analysis of these diverse, but important case studies, it can be seen that the media has had, and continues to have, an impact on the development of the tourism industry in both positive and negative ways. The limitations of this research are discussed and recommendations are made for further research that will assist in developing a more comprehensive typology of the media’s role in tourism.