1,778 research outputs found

    A Collection of Rhyming Palindromes

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    A collection of RETEP verse or Rhyming, end to end, palindromic verse

    Linked Data - the story so far

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    The term “Linked Data” refers to a set of best practices for publishing and connecting structured data on the Web. These best practices have been adopted by an increasing number of data providers over the last three years, leading to the creation of a global data space containing billions of assertions— the Web of Data. In this article, the authors present the concept and technical principles of Linked Data, and situate these within the broader context of related technological developments. They describe progress to date in publishing Linked Data on the Web, review applications that have been developed to exploit the Web of Data, and map out a research agenda for the Linked Data community as it moves forward

    Return of the Magnificent Seven - as Palimericks

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    Palimericks are limericks that are also examples of rhyming, end-to-end palindromes (RETEPs)

    Conservation and revitalization of historic streets in China: Pingjiang Street, Suzhou

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    The late twentieth and early twenty-first century has witnessed the unfortunate plight of demolition or irreparable damage for thousands of historic streets across China as a result of urbanization and redevelopment. A core of committed practitioners, academics and enlightened local governments have begun to recognize the important historical legacy of these streets and are undertaking conservation and revitalization projects. In Suzhou, approximately 100 km west of Shanghai, Pingjiang Street/district is an historical urban area that has recently undergone sensitive conservation and become one of the ‘must-see’ places in the city. This paper presents a historical account of the development, demise and resurrection of the houses, streets and waterways of Pingjiang district. The area’s long history can be broadly structured into two critical and dialectical phases: the period of growth and incremental change during the Imperial period, and the pressures for change and development during the twentieth century. The paper will compare the socio-cultural factors that have shaped the layout of houses, streets and waterways and thus the whole street/district during these contrasting periods. These periods of transition will be followed by a critical review and assessment of urban conservation and revitalization of the area under the banner of ‘heritage’

    Examining three roles of urban “portals” in their relationship with “places” using social media photographs

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    Portals are the transition spaces between paths and places in an urban environment such as the entrance to a square from a connecting street. This paper aims to explore different forms of portals by considering their relationship with places. In doing so, a people-generated image analysis was adopted for two case studies conducted in popular Chinese recreational venues: Sanlitun Village, Beijing; and Xintiandi, Shanghai. Through an analysis of nearly 53,000 Instagram photographs, three different roles that a portal can fulfil are identified and defined as the ‘doorway’, the ‘showroom’, and the ‘place’. These typologies are derived from a deeper understanding of urban space through the ‘eyes of the users’, and this knowledge can in turn influence the design process for the public realm and urban spaces

    The geometric sieve for quadrics

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    We develop a version of Ekedahl's geometric sieve for integral quadratic forms of rank at least five. As one ranges over the zeros of such quadratic forms, we use the sieve to compute the density of coprime values of polynomials, and furthermore, to address a question about local solubility in families of varieties parameterised by the zeros.Comment: 29 page

    Developing an economic estimation system for vertical farms

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    The concept of vertical farming is nearly twenty years old, however, there are only a few experimental prototypes despite its many advantages compared to conventional agriculture. Significantly, financial uncertainty has been identified as the largest barrier to the realization of a ‘real’ vertical farm. Some specialists have provided ways to calculate costs and return on investment, however, most of them are superficial with calculations based on particular contextual circumstances. To move the concept forwards a reliable and flexible estimating tool, specific to this new building typology, is clearly required. A computational system, software named VFer, has therefore been developed by the authors to provide such a solution. This paper examines this highly flexible, customised system and results from several typical vertical farm configurations in three mega-cities (Shanghai, London and Washington DC) are used to elucidate the potential economic return of vertical farms

    Nbr1 Is a Novel Inhibitor of Ligand-Mediated Receptor Tyrosine Kinase Degradation

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    endocytic trafficking and selective autophagy. However, the exact function of Nbr1 in these contexts has not been studied in detail. Here we investigated the role of Nbr1 in the trafficking of receptor tyrosine kinases (RTKs). We report that ectopic Nbr1 expression inhibits the ligand-mediated lysosomal degradation of RTKs, and this is probably done via the inhibition of receptor internalization. Conversely, the depletion of endogenous NBR1 enhances RTK degradation. Analyses of truncation mutations demonstrated that the C terminus of Nbr1 is essential but not sufficient for this activity. Moreover, the C terminus of Nbr1 is essential but not sufficient for the localization of the protein to late endosomes. We demonstrate that the C terminus of Nbr1 contains a novel membrane-interacting amphipathic -helix, which is essential for the late endocytic localization of the protein but not for its effect on RTK degradation. Finally, autophagic and late endocytic localizations of Nbr1 are independent of one another, suggesting that the roles of Nbr1 in each context might be distinct. Our results define Nbr1 as a negative regulator of ligand-mediated RTK degradation and reveal the interplay between its various regions for protein localization and function

    Traditional Streetscape Adaptability: Urban gentrification and endurance of business

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    This paper attempts to assess the adaptability quality of Malioboro Street and district related to the physical and functional transformation as part of the urban negotiation and response to the ever changing environment of Indonesian cities. The street was qualitatively measured utilising field observations including physical mapping, behavioural mapping and in-depth interviews. The finding shows urban gentrification may lead to the transformation of physical and building use, which results in the changes of Kampong plot pattern and character of a traditional streetscape, people displacement and the sustenance of the local economy.  © 2016. The Authors. Published for AMER ABRA by e-International Publishing House, Ltd., UK. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia.Keywords: traditional street; adaptability; gentrification; Indonesi

    Using quantitative analysis to assess the appropriateness of infill buildings in historic settings

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    Over the past 40 years or so, and more recently in developing countries, increasing attention has been paid to the preservation of historic settings; however, with continued development and urbanization, a solution is needed for the problem of how to adapt historic settings for contemporary life. Consideration of how to conserve historic settings while introducing new development has been the subject of theoretical study for many years, and despite many mistakes, excellent architectural projects have been completed. However, most research has focused on assessing such projects only at a qualitative and cognitive level; a deeper exploration is therefore needed. Thus, the main goal of this paper is to apply a scientific, quantitative approach to investigating the contextual fit of infill buildings in historic settings. This research is approached mathematically within the framework of architectural theory and visual science. To assess the potential of this methodology, a case-study building facade is analyzed using three attributes: size, proportion, and color. The findings of this research can help in evaluating the contextual fit of architectural designs and thereby lead to improved design guidance for historic settings
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