4,952 research outputs found

    Dr. Julian Hayter – Faculty Author Interview

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    Dr. Julian Hayter, Assistant Professor of Leadership Studies, discusses The Dream Is Lost: Voting Rights and the Politics of Race in Richmond, Virginia, published recently by the University Press of Kentucky. The book describes more than three decades of national and local racial politics in Richmond and illuminates the unintended consequences of civil rights legislation

    Diálogos sobre Nelson Mandela – Julian Escobar Avila

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    Julian Escobar Avila; Ángel Iván Barrera Bernal; María Isabel Pineda Ramírez; Fernando Proto Gutierrez; Jorge Rojas Valencia; Kelly Johana Casanova Ramirez; Karla del Pilar Trujillo Calderó

    Publishing public transport data on the Web with the Linked Connections framework

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    Publishing transport data on the Web for consumption by others poses several challenges for data publishers. In addition to planned schedules, access to live schedule updates (e.g. delays or cancellations) and historical data is fundamental to enable reliable applications and to support machine learning use cases. However publishing such dynamic data further increases the computational burden for data publishers, resulting in often unavailable historical data and live schedule updates for most public transport networks. In this paper we apply and extend the current Linked Connections approach for static data to also support cost-efficient live and historical public transport data publishing on the Web. Our contributions include (i) a reference specification and system architecture to support cost-efficient publishing of dynamic public transport schedules and historical data; (ii) empirical evaluations on route planning query performance based on data fragmentation size, publishing costs and a comparison with a traditional route planning engine such as OpenTripPlanner; (iii) an analysis of potential correlations of query performance with particular public transport network characteristics such as size, average degree, density, clustering coefficient and average connection duration. Results confirm that fragmentation size influences route planning query performance and converges on an optimal fragment size per network. Size (stops), density and connection duration also show correlation with route planning query performance. Our approach proves to be more cost-efficient and in some cases outperforms OpenTripPlanner when supporting the earliest arrival time route planning use case. Moreover, the cost of publishing live and historical schedules remains in the same order of magnitude for server-side resources compared to publishing planned schedules only. Yet, further optimizations are needed for larger networks (>1000 stops) to be useful in practice. Additional dataset fragmentation strategies (e.g. geospatial) may be studied for designing more scalable and performantWeb APIs that adapt to particular use cases, not only limited to the public transport domain

    Geospatially partitioning public transit networks for open data publishing

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    Public transit operators often publish their open data in a data dump, but developers with limited computational resources may not have the means to process all this data efficiently. In our prior work we have shown that geospatially partitioning an operator's network can improve query times for client-side route planning applications by a factor of 2.4. However, it remains unclear whether this works for all network types, or other kinds of applications. To answer these questions, we must evaluate the same method on more networks and analyze the effect of geospatial partitioning on each network separately. In this paper we process three networks in Belgium: (i) the national railways, (ii) the regional operator in Flanders, and (iii) the network of the city of Brussels, using both real and artificially generated query sets. Our findings show that on the regional network, we can make query processing 4 times more efficient, but we could not improve the performance over the city network by more than 12%. Both the network's topography, and to a lesser extent how users interact with the network, determine how suitable the network is for partitioning. Thus, we come to a negative answer to our question: our method does not work equally well for all networks. Moreover, since the network's topography is the main determining factor, we expect this finding to apply to other graph-based geospatial data, as well as other Link Traversal-based applications

    Emperor and author : the writings of Julian the Apostate /

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    Includes bibliographical references and index.Introduction Nicholas Baker-Brian and Shaun Tougher -- Julian the writer and his audience / Susanna Elm -- Reading between the lines : ; Julian's First Panegyric on Constantius II / Shaun Tougher -- 'But I digress...' : ; rhetoric and propaganda in Julian's second oration to Constantius / Hal Drake -- Is there an empress in the text? ; Julian's Speech of thanks to Eusebia / Liz James -- Julian's Consolation to himself on the departure of the excellent Salutius : ; rhetoric and philosophy in the fourth centurry / Josef Lössl -- The tyrant's mask? ; Images of good and bad rule in Julian's Letter to the Athenians / Mark Humphries -- Julian's Letter to Themistius -- and Themistius' response? / John W. Watt -- The emperor's shadow : ; Julian in his correspondence / Michael Trapp -- Julian the lawgiver / Jill Harries -- Words and deeds : ; Julian in the epigraphic record / Benet Salway -- Julian and his coinage : ; a very Constantinian prince / Fernando López Sánchez -- Roman authority, imperial authoriality, and Julian's artistic program / Eric R. Varner -- Julian's Hymn to the mother of the gods : ; the revival and justification of traditional religion / J.H.W.G. Liebeschuetz -- Julian's Hymn to King Helios : ; the economical use of complex Neoplatonic concepts / Andrew Smtih -- The forging of an Hellenic orthodoxy : ; Julian's speeches against the cynics / Arnaldo Marcone -- The Christian context of Julian's Against the Galileans / David Hunt -- The politics of virtue in Julian's Misopogon / Nicholas Baker-Brian -- The Caesars of Julian the Apostate in translation and reception, 1580-ca -- 1800 / Rowland SmithAfterword: studying Julian the author / Jacqueline Long

    Julian as author:  letters and legislation

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    Argues that Julian the legislator had three personae; his own as personally the author of laws and letters; his legislative image as filtered by observers; and the truncated version preserved in the legal extracts of the Theodosian Code. Although the fist is more vivid (and perverse), the last is also important as a reminder of the routine duties of an emperor and the power of the Theodosian compilers to edit and thus change the past

    Julian as author:  letters and legislation

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    Argues that Julian the legislator had three personae; his own as personally the author of laws and letters; his legislative image as filtered by observers; and the truncated version preserved in the legal extracts of the Theodosian Code. Although the fist is more vivid (and perverse), the last is also important as a reminder of the routine duties of an emperor and the power of the Theodosian compilers to edit and thus change the past

    David Kilcullen and Julian Burnside on tactics in the Iraq War

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    Australian-born David Kilcullen was the senior advisor to US General Petraeus during his time in Iraq, advising on counter-insurgency. The implementation of his strategies is now regarded as a major turning point in the war. Kilcullen is now advising the US military in Afghanistan. Here, in a brilliant discussion with human rights lawyer Julian Burnside at the Melbourne Writers Festival, he talks about the ethics and tactics of contemporary warfare. David Kilcullen is a consultant to the US State Department on counterinsurgency and counterterrorism. He is the author of numerous publications including "The Accidental Guerrilla: Fighting Small Wars in the Midst of a Big One" and "Twenty-Eight Articles", a how to guide for junior commanders involved in counterinsurgency. Julian Burnside is a human rights barrister and refugee advocate. He is the author of numerous publications and books including "On Privilege" and "Watching Brief: Reflections on Human Rights, Law and Justice". 26 August 2009   &nbsp

    ENCUENTRO ANDALUCISTA CON LA UNIVERSIDAD. DIA 18 DE OCTUBRE - 17.30 de la tarde EN EL PARANINFO DE LA UNIVERSIDAD [CALLE SAN FERNANDO] intervención de: JULIAN ALVAREZ, ANGEL BENITO Y ALEJANDRO ROJAS MARCOS. PARTIDO ANDALUCISTA.

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    Political poster for Partido Anadaluz (PSA) the socialist party, promoting a meeting with interviews of Julian Alvarez, Angel Benito, and Alejandro Rojas Marcos. Image includes a drawing of a landscape of Andalusia
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