Slum Tourism: Developments in a Young Field of Interdisciplinary Tourism Research

This paper introduces the Special Issue on slum tourism with a reflection on the state of the art on this new area of tourism research. After a review of the literature we discuss the breadth of research that was presented at the conference 'Destination Slum', the first international conference on slum tourism. Identifying various dimensions, as well as similarities and differences, in slum tourism in different parts of the world, we contest that slum tourism has evolved from being practised at only a limited number of places into a truly global phenomenon which now is performed on five continents. Equally the variety of services and ways in which tourists visit the slums has increased.The widening scope and diversity of slum tourism is clearly reflected in the variety of papers presented at the conference and in this Special Issue. Whilst academic discussion on the theme is evolving rapidly, slum tourism is still a relatively young area of research. Most papers at the conference and, indeed, most slum tourism research as a whole appears to remain focused on understanding issues of representation, often concentrating on a reflection of slum tourists rather than tourism. Aspects, such as the position of local people, remain underexposed as well as empirical work on the actual practice of slum tourism. To address these issues, we set out a research agenda in the final part of the article with potential avenues for future research to further the knowledge on slum tourism. © 2012 Copyright Taylor and Francis Group, LLC

A set-associative, fault-tolerant cache design

The design of a defect-tolerant control circuit for a set-associative cache memory is presented. The circuit maintains the stack ordering necessary for implementing the Least Recently Used (LRU) replacement algorithm. A discussion of programming techniques for bypassing defective blocks is included

Supply Current Diagnosis in VLSI

This paper presents a technique based upon the power supply current signature (cd) which allows for the testing of mixed-signal systems, in situ. Through experiments with a microprocessor, the cd is shown to contain important information concerning the operational status of the system which may be easily extracted using approaches based on statistical signal detection theory. The fault-detection performance of these techniques is compared to that achieved through auto-regressive modeling of the cd

Defect-sensitivity analysis of an SEU immune CMOS logic family

Fault testing of resistive manufacturing defects is done on a recently developed single event upset immune logic family. Resistive ranges and delay times are compared with those of traditional CMOS logic. Reaction of the logic to these defects is observed for a NOR gate, and an evaluation of its ability to cope with them is determined

Hydrogen bonding and charge transport in a protic polymerized ionic liquid

Hydrogen bonding and charge transport in the protic polymerized ionic liquid poly[tris(2-(2-methoxyethoxy)ethyl)ammoniumacryloxypropyl sulfonate] (PAAPS) are studied by combining Fourier transform infrared (FTIR) and broadband dielectric spectroscopy (BDS) in a wide temperature range from 170 to 300 K. While the former enables to determine precisely the formation of hydrogen bonds and other moiety-specific quantized vibrational states, the latter allows for recording the complex conductivity in a spectral range from 10−2 to 10+9  Hz. A pronounced thermal hysteresis is observed for the H-bond network formation in distinct contrast to the reversibility of the effective conductivity measured by BDS. On the basis of this finding and the fact that the conductivity changes with temperature by orders of magnitude, whereas the integrated absorbance of the N–H stretching vibration (being proportional to the number density of protons in the hydrogen bond network) changes only by a factor of 4, it is concluded that charge transport takes place predominantly due to hopping conduction assisted by glassy dynamics (dynamic glass transition assisted hopping) and is not significantly affected by the establishment of H-bonds

Training product unit neural networks with genetic algorithms

The training of product neural networks using genetic algorithms is discussed. Two unusual neural network techniques are combined; product units are employed instead of the traditional summing units and genetic algorithms train the network rather than backpropagation. As an example, a neural netork is trained to calculate the optimum width of transistors in a CMOS switch. It is shown how local minima affect the performance of a genetic algorithm, and one method of overcoming this is presented

СУТНІСТЬ ТА ПРОЦЕС ФОРМУВАННЯ ІНТЕГРОВАНИХ МАРКЕТИНГОВИХ КОМУНІКАЦІЙ

Проаналізовано сутність, характеристика, принципи інтегрованих комунікацій та розкрито особливості процесу їх формування на підприємствах України.; The essence, characteristics and principles of integrated communications are analyzed. The peculiarities of the process of their formation on the enterprises are discovered