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Ulrich Finsterwalder
(2017)
Ulrich Finsterwalder
(2017)
The Kerala tourism model
(2017)
Sustainable tourism in Kerala is on the rise. Therefore, this South Indian state is assessed according to the sustainable tourism criteria of the Strasdas et al. (2007) framework. Kerala as a state does not qualify as a sustainable tourism destination, although individual success stories at the NGO and government level exist. This conceptual paper delivers a detailed analysis of the three dimensions of sustainability, i.e. ecology, economy and socio-cultural aspects, of the ‘Kerala tourism model’ and discusses the question of whether this model can be transferred to other developing countries. Copyright © 2016 John Wiley & Sons, Ltd and ERP Environment
Shadow information technology systems (SITS) coexist with formal enterprise systems in organisations. SITS pose risks but also increase flexibility of business units. Practice shows that SITS emerge, despite that Enterprise Architecture Management (EAM) aims at controling all IT systems in an organization. Studies acknowledge this problem in general. However, they neither show the specific influencing areas of SITS nor provide approaches to address them. To close this gap, we use a literature review to analyse examples of practical SITS and their interference with EAM concerns. Thus, we find that they hinder especially transparency, reduction of EA complexity and governance. Research has focused on achieving transparency, governing the evolution of the EA but lacks strategies for reducing complexity. This study contributes to research and practice by uncovering the main influencing areas of SITS on EAM, as well as by laying a foundation for future research on this topic.
Vortrag
Moderne politische Steuerungskonzeptionen zeichnen sich dadurch aus, dass sie zum einen die Mängel traditioneller planungszentrierter Konzepte vermeiden und zum anderen der gewachsenen Vielfalt an Kooperationsmöglichkeiten unterschiedlicher Akteurssysteme gerecht werden. Speziell für das Handlungsfeld der kommunalen Energiewende führt dies zu einer Governance-Konzeption, bei der Kommunen als systemische Steuerungsakteure fungieren. Hierbei moderieren und gestalten sie zusammen mit den relevanten Akteuren die verschiedenen Herausforderungen im Rahmen kommunaler Energiewendekonzepte.
One way of reducing carbon emissions is to reduce carbon emissions from consumption. Quantitative information about these emissions helps to better understand the reduction potential. This article aims to provide carbon footprint data for students of the University of Applied Science in Konstanz, Germany. The study includes almost 10% of the University’s students. Data on emission patterns was collected via questionnaires and calculated by a web-based carbon calculator. The study analyses personal carbon footprints and, more detailed, carbon emissions from consumption categories heating, electricity, mobility (land travel and aviation) and food. The findings show average students’ annual carbon footprint to be10.9t CO2eq and in the same order of magnitude as the German average. While students cause less emissions through heating because of smaller living space per person, they cause significantly more emissions by aviation. Female students tend to have higher emissions from aviation, instead male students have higher emissions from food (due to more meat in their diet). Business students have higher emissions than others, mainly because they are tending to fly more. The student carbon footprint is far above climate protection goals formulated for 2050.
The evolution of strain induced martensite in austenitic stainless steel AISI 304 was investigated in a rolling contact on a two-discs-tribometer. The effects of surface roughness, slip and normal force as well as the number of load cycles were examined. In comparison to the investigations of martensitic phase transformation during cold rolling, the applied stresses are considerably lower. The formation of strain induced martensite was detected in-situ by means of a FERITSCOPE MP30 and ex-situ by optical microscopy after etching with Kane etchant. Both number of load cycles and magnitude of normal force appeared to be the main influencing factors regarding strain induced martensitic evolution in low stress rolling contacts.
Steps to the stage
(2017)
Sprechen über Form
(2017)
Many secure software development methods and tools are well-known and understood. Still, the same software security vulnerabilities keep occurring. To find out if new source code patterns evolved or the same patterns are reoccurring, we investigate SQL injections in PHP open source projects. SQL injections are well-known and a core part of software security education. For each common part of SQL injections, the source code patterns are analysed. Examples are pointed out showing that developers had software security in mind, but nevertheless created vulnerabilities. A comparison to earlier work shows that some categories are not found as often as expected. Our main contribution is the categorization of source code patterns.