7 research outputs found
Logistics service provider selection for disaster preparation: a socio-technical systems perspective
Since 1990s, the world has seen a lot of advances in providing humanitarian aid through sophisticated logistics operations. The current consensus seems to be that humanitarian relief organizations (HROs) can improve their relief operations by collaborating with logistics service providers (CLSPs) in the commercial sector. The question remains: how can HROs select the most appropriate CLSP for disaster preparation? Despite its practical significance, no explicit effort has been done to identify the criteria/factors in prioritising and selecting a CLSP for disaster relief. The present study aims to address this gap by consolidating the list of criteria from a socio-technical systems (STS) perspective. Then, to handle the interdependence among the criteria derived from the STS, we develop a hybrid multi-criteria decision making model for CLSP selection in the disaster preparedness stage. The proposed model is then evaluated by a real-life case study, providing insights into the decision-makers in both HROs and CLSPs
Dynamic temporary blood facility location-allocation during and post-disaster periods
The key objective of this study is to develop a tool (hybridization or integration of different techniques) for locating the temporary blood banks during and post-disaster conditions that could serve the hospitals with minimum response time. We have used temporary blood centers, which must be located in such a way that it is able to serve the demand of hospitals in nearby region within a shorter duration. We are locating the temporary blood centres for which we are minimizing the maximum distance with hospitals. We have used Tabu search heuristic method to calculate the optimal number of temporary blood centres considering cost components. In addition, we employ Bayesian belief network to prioritize the factors for locating the temporary blood facilities. Workability of our model and methodology is illustrated using a case study including blood centres and hospitals surrounding Jamshedpur city. Our results shows that at-least 6 temporary blood facilities are required to satisfy the demand of blood during and post-disaster periods in Jamshedpur. The results also show that that past disaster conditions, response time and convenience for access are the most important factors for locating the temporary blood facilities during and post-disaster periods
A participatory multicriteria approach to evaluate strategic projects for local sustainable development
Tesis por compendio[EN] The dilemma of development and sustainability in the local context generates multiple interests and
concerns. This dissertation arises from the challenge proposed by both concepts in the framework of
decision making for urban planning. Its development has been guided by two main motivations. The
first and most important is to discuss sustainable development in a context where little had been said,
responding to how to improve the practices used for the prioritisation of actions during the planning
stages of local development projects, taking as a case study the city of Cartagena de Indias
(Colombia). The second, on the other hand, responds to the interest of contributing to the field of
multicriteria decision making techniques.
The objective is to design a methodology to help those responsible for territorial planning to
evaluate development strategies and projects. In particular, it focuses on the participation of different
stakeholders and on the approach to sustainable local development. Therefore, the general research
question is: how can a participatory multicriteria methodology help to evaluate local development
projects with a sustainable approach? To answer this research question the present dissertation, of
an exploratory and descriptive nature, has been designed, and developed from the application of
three cases of iterative and complementary studies. The objective has been to propose a framework
that systematically allows the taking of decisions and the integration of diverse positions, without
trying to find a unique solution with the best decision model.
The proposed methodology has been developed from the combination of two techniques known
from the field of Operations Research, Analytic Network Process (ANP) and Social Network Analysis
(SNA). SNA is used to find out how the network of actors related to a problem is structured, to study
and evaluate the relationships between the actors that make it up, to determine their degree of
cohesion, the actors in the most relevant positions and the existing structural gaps. All of this permits
the selection of participants in the decision making process carried out through ANP. ANP is a wellknown multicriteria decision method, which provides a framework for addressing decision making or
problem assessment. It defines a prioritisation model as a network with complex, interdependent and
feedback relationships between elements. The elements represent characteristics, requirements,
conditions or criteria related to a problem, as well as possible alternative solutions. ANP is used to
discover the opinions of the participants, to obtain their decision profiles and to reach a consensus on
the prioritisation of projects and strategies. Additionally, this methodological proposal, based on the
SNA-ANP combination, can be completed with other techniques, for example, geographic information
systems to add some components that improve the decision.
The results suggest that this SNA-ANP methodology is a novel and useful combination for
evaluating local development plans with a multicriteria, sustainable and participatory approach. The
results establish a basis for proposing new applications and generating new discussions with the local
administration and other actors.
With the inclusion of the local and sustainable development approach in the decision framework,
throughout this dissertation, the value of different heritages is highlighted, as is the promotion of a
more adapted strategic planning and the recognition and inclusion of multiple groups of actors. In
addition, the use of practical and replicable methodologies that account for the results is promoted,
to be applied at different scales, in order to improve planning and prioritisation of actions. The proposal has considered the dimensions of sustainability in decision models, the active
participation of decision-makers and a better selection of participants. In short, it has facilitated the
construction of a more participatory decision making process. Finally, it also allows us to explore
future applications and to continue the discussion related to the problem of decision making during
the planning and evaluation stages of strategic projects, whether for local sustainable development or
for other types of objectives.[ES] El dilema del desarrollo y la sostenibilidad en el contexto local genera múltiples intereses e
inquietudes. Esta disertación surge entorno al desafío propuesto por ambos conceptos en el marco de
la toma de decisiones para la planeación urbana. Su desarrollo se ha orientado a partir de dos
motivaciones principales. La primera y más importante es discutir sobre desarrollo sostenible en un
contexto en el que se había hablado poco, respondiendo a cómo mejorar las prácticas utilizadas para
la priorización de acciones durante las etapas de planeación de proyectos de desarrollo local,
tomando como objeto de estudio la ciudad de Cartagena de Indias (Colombia). La segunda, por su
parte, responde al interés por contribuir en el campo de las técnicas de toma de decisiones
multicriterio.
El objetivo es diseñar una metodología para ayudar a los responsables de la planificación territorial
a evaluar estrategias y proyectos de desarrollo. En particular, se centra en la participación de
diferentes partes interesadas y en el enfoque al desarrollo local sostenible. Por lo tanto, la pregunta
general de investigación es: ¿Cómo puede una metodología multicriterio participativa ayudar a
evaluar proyectos de desarrollo local con un enfoque sostenible? Para responder a esta pregunta de
investigación se ha diseñado la presente disertación, de naturaleza exploratoria y descriptiva,
desarrollada a partir de la aplicación de tres casos de estudios iterativos y complementarios. El
objetivo ha sido proponer un marco que de forma sistemática permita tomar decisiones e integrar
diversas posiciones, sin pretender hallar una solución única con el mejor modelo de decisión.
La metodología propuesta se ha construido a partir de la combinación de dos técnicas conocidas
del campo de la Investigación de Operaciones, el Proceso Analítico en Red (ANP) y el Análisis de Redes
Sociales (SNA). El SNA se utiliza para conocer cómo se estructura la red de actores relacionados con
un problema, estudiar y evaluar las relaciones entre los actores que la componen, determinar su
grado de cohesión, los actores en posiciones más relevantes y los vacíos estructurales existentes.
Todo ello permite seleccionar a los participantes en el proceso de toma de decisiones realizado a
través del ANP. El ANP es un conocido método de decisión multicriterio, que proporciona un marco
para abordar la toma de decisiones o la evaluación de problemas. Define un modelo de priorización
como una red con relaciones complejas, interdependientes y retroalimentadas entre elementos. Los
elementos representan características, requerimientos, condiciones o criterios relacionados con un
problema, así como las posibles alternativas de solución. El ANP se utiliza para conocer las opiniones
de los participantes, obtener sus perfiles de decisión y alcanzar un consenso sobre la priorización de
proyectos y estrategias. Adicionalmente, esta propuesta metodológica, basada en la combinación
SNA-ANP, se puede completar con otras técnicas, por ejemplo, los sistemas de información geográfica
para agregar algunos componentes que mejoren la decisión.
Los resultados sugieren que esta metodología SNA-ANP, es una combinación novedosa y útil para
evaluar planes de desarrollo local con un enfoque multicriterio, sostenible y participativo. Los
resultados establecen una base para proponer nuevas aplicaciones y generar nuevas discusiones con
la administración local y otros actores.
Con la inclusión del enfoque del desarrollo local y sostenible en el marco de las decisiones, a lo
largo de esta disertación, se resalta el valor de distintos patrimonios, la promoción de una planeación
estratégica más adaptada y el reconocimiento e inclusión de múltiples grupos de actores. Además, se promueve el uso de metodologías prácticas y replicables que den cuenta de los resultados, para ser
aplicadas a diferentes escalas, con el fin de mejorar la planeación y la priorización de acciones.
La propuesta ha considerado las dimensiones de la sostenibilidad en los modelos de decisión, la
participación activa de los decisores y una mejor selección de los participantes. En síntesis, ha
facilitado la construcción de un proceso de decisión más participativo. Finalmente, también permite
explorar futuras aplicaciones y continuar la discusión relacionada con el problema de la toma de
decisiones durante las etapas de planeación y evaluación de proyectos estratégicos sean para el
desarrollo local sostenible o para otro tipo de objetivos.[CA] El dilema del desenvolupament i la sostenibilitat en el context local genera múltiples interessos i
inquietuds. Aquesta dissertació sorgeix entorn al desafiament proposat per ambdós conceptes en el
marc de la presa de decisions per a la planificació urbana. El seu desenvolupament s'ha orientat a
partir de dues motivacions principals. La primera i més important és discutir sobre desenvolupament
sostenible en un context en què s'havia parlat poc, responent a com millorar les pràctiques utilitzades
per a la priorització d'accions durant les etapes de planificació de projectes de desenvolupament
local, prenent com a objecte d'estudi la ciutat de Cartagena d'Índies (Colòmbia). La segona, per la
seva banda, respon a l'interès per contribuir en el camp de les tècniques de presa de decisions
multicriteri.
L'objectiu és dissenyar una metodologia per ajudar els responsables de la planificació territorial a
avaluar estratègies i projectes de desenvolupament. En particular, es centra en la participació de
diferents parts interessades i en l'enfocament al desenvolupament local sostenible. Per tant, la
pregunta general d'investigació és: Com pot una metodologia multicriteri participativa ajudar a
avaluar projectes de desenvolupament local amb un enfocament sostenible? Per respondre a aquesta
pregunta de recerca s'ha dissenyat la present dissertació, de naturalesa exploratòria i descriptiva,
desenvolupada a partir de l'aplicació de tres casos d'estudi iteratius i complementaris. L'objectiu ha
estat proposar un marc que de forma sistemàtica permeti prendre decisions i integrar diverses
posicions, sense pretendre trobar una solució única amb el millor model de decisió.
La metodologia proposada s'ha construït a partir de la combinació de dues tècniques conegudes
del camp de la Investigació d'Operacions, el Procés Analític en Xarxa (ANP) i l'anàlisi de xarxes socials
(SNA). El SNA s'utilitza per conèixer com s'estructura la xarxa d'actors relacionats amb un problema,
estudiar i avaluar les relacions entre els actors que la componen, determinar el seu grau de cohesió,
els actors en posicions més rellevants i els buits estructurals existents. Tot això permet seleccionar els
participants en el procés de presa de decisions realitzat a través de l'ANP. L'ANP és un conegut
mètode de decisió multicriteri, que proporciona un marc per abordar la presa de decisions o
l'avaluació de problemes. Defineix un model de priorització com una xarxa amb relacions complexes,
interdependents i retroalimentades entre elements. Els elements representen característiques,
requeriments, condicions o criteris relacionats amb un problema, així com les possibles alternatives
de solució. El ANP s'utilitza per conèixer les opinions dels participants, obtenir els seus perfils de
decisió i arribar a un consens sobre la priorització de projectes i estratègies. Addicionalment, aquesta
proposta metodològica, basada en la combinació SNA-ANP, es pot completar amb altres tècniques,
per exemple, els sistemes d'informació geogràfica per afegir alguns components que millorin la
decisió.
Els resultats suggereixen que aquesta metodologia SNA-ANP, és una combinació innovadora i útil
per avaluar plans de desenvolupament local amb un enfocament multicriteri, sostenible i participatiu.
Els resultats estableixen una base per proposar noves aplicacions i generar noves discussions amb
l'administració local i altres actors.
Amb la inclusió de l'enfocament del desenvolupament local i sostenible en el marc de les
decisions, al llarg d'aquesta dissertació, es ressalta el valor de diferents patrimonis, la promoció d'una
planificació estratègica més adaptada i el reconeixement i inclusió de múltiples grups d'actors . A més, es promou l'ús de metodologies pràctiques i replicables que donin compte dels resultats, per ser
aplicades a diferents escales, per tal de millorar la planificació i la priorització d'accions.
La proposta ha considerat les dimensions de la sostenibilitat en els models de decisió, la
participació activa dels decisors i una millor selecció dels participants. En síntesi, ha facilitat la
construcció d'un procés de decisió més participatiu. Finalment, també permet explorar futures
aplicacions i continuar la discussió relacionada amb el problema de la presa de decisions durant les
etapes de planificació i avaluació de projectes estratègics siguin per al desenvolupament local
sostenible o per a un altre tipus d'objectius.Gonzalez Urango, HK. (2020). A participatory multicriteria approach to evaluate strategic projects for local sustainable development [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/149490TESISCompendi
Strategic Logistics Outsourcing:Integrated Models for Evaluating and Selecting Logistics Service Providers (LSPs) Upstream/Downstream Supply Chain Comparison
This research aims to maximize the logistics outsourcing benefits through developing new hybrid models for evaluating and selecting Logistics Service Providers (LSPs). The growing demand for logistics outsourcing and the increase in the number and type of LSPs highlight the increasing importance of the LSP evaluation and selection process. Firms use various approaches to evaluate and select their LSP partners. Most of these approaches seem to have overlooked the strategic side of the logistics outsourcing process. Additionally, the uncertainty issue of data, the complexity of the decision and the large number of criteria involved increase the attractiveness of the Multi-Criteria Decision-Making (MCDM) approaches.
A comparative literature review was used in order to identify crucial factors and methods that are used in logistics literature in fragmented ways and therefore, to establish and design a conceptual framework and models for logistics outsourcing. First, a long list of evaluation criteria was developed. Three main dimensions were identified: logistics performance, logistics resources and logistics services. Then a conceptual framework was developed using the three main dimensions with their related factors. Based on the comparative literature review outcomes, a number of integrated models have been developed and used to achieve this aim with emphasis given to FDEMATEL, FTOPSIS and FQFD techniques. Whereas the FDEMATEL technique contributed to construct influence relationships between factors under each dimension, develop impact-relationship maps and identify dependent and independent success factors (ISFs), the FTOPSIS technique used the weighted success factors to evaluate, rank and select the best LSP in three case studies. Twenty-one ISFs have been identified to be used in the final approach. These ISFs consist of eight LKPIs, seven logistics services and six logistics resources and capabilities. All of the factors were used to evaluate and select the best LSP alternative and ISFs were used to conduct the evaluation process. Different sensitivity analysis tests are used to confirm models’ robustness. Based on the outcomes of both cases, decision makers can use independent factors alone to evaluate and select the best LSP, which simplified the logistics outsourcing process in our study. The FQFD technique was used to link the LSUs strategic objectives with logistics requirements and the ISFs to develop a new strategic logistics outsourcing approach. Finally, two case studies representing the supply chain upstream and downstream are used to demonstrate the new hybrid approach effectiveness. The comparison of both cases’ findings highlighted their differences in terms of strategic objectives, logistics requirements and ISFs
Proceedings of the West Africa Built Environment Research (WABER) Conference 2021
FOREWORD: I would like to welcome each participant to the WABER 2021 Conference. Since its inception in 2009, the WABER Conference series has done a great deal to nurture and support researchers, initially in West Africa, also, in other parts of Africa and elsewhere. I would like to thank all delegates for your participation which enables us to keep this Conference going. The WABER Conference enjoys a positive international reputation and has continued to grow from strength to strength over the past 13 years. For this, I would like to thank our team, keynote speakers and participants over the years for every contribution you have made to the success of this Conference. This year's Conference has an excellent programme, line up of speakers and authors.
I would like to thank and commend the authors of all 72 papers in this Conference proceedings. If the research paper writing process was compared to a marathon, the authors of the 72 papers in this publication would be adjudged as the ones who have endured and finished the race. We opened the call for papers for this Conference in December 2020 and over 100 abstracts were submitted by authors. However, it is one thing to propose to write a paper, and it is quite another thing to actually write the paper. Therefore, I would like to thank and congratulate all authors who succeeded in completing the process of getting published in this conference proceedings. It is befitting that we have an excellent range of interesting topics in the 72 papers to be discussed at this conference. We are honoured to welcome Professor Charles Egbu, Vice Chancellor of Leeds Trinity University, to give us a special opening address. In the three days of this conference, we will have various plenary presentations by experienced international academics and I would like to thank and welcome each of them below. Professor Albert Chan Richard Lorch Professor Taibat Lawanson Professor Dato’ Sri Ar Dr Asiah Abdul Rahim Professor George Ofori.
In addition to these speakers, we have other interesting sessions on the programme including a special session for doctoral students and supervisors several other experienced speakers addressing various topics that should be of interest to many of us.
I would like to thank all members of the organising team particularly Associate Professor Emmanuel Essah, Dr Yakubu Aminu Dodo and Dr Sam Moveh for their efforts which has helped to organise this Conference successfully. I would also like to thank all of our reviewers particularly Associate Professor Emmanuel Essah and Dr Haruna Moda for the considerable time and effort spent reviewing and checking all papers to ensure a high standard of quality.
The WABER Conference Team always plays an excellent role in the success of our events and I would like to thank and appreciate the contributions of Florence, Sam Boakye, Victor Ayitey and his team, Kwesi Kwofie and Issah Abdul Rahman to the success of this Conference.
I hope you enjoy our first hybrid conference and engage with our exciting speakers on the diverse topics that will be covered over the three days of this Conference
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A decision model to prioritise logistics performance indicators
This thesis was submitted for the award of Doctor of Philosophy and was awarded by Brunel University LondonPerformance measurement is an important concern that has recently attracted much attention in the logistics area from both practitioners and academics. The performance measurement of logistics companies is based upon diverse performance indicators. However, to date, limited attention has been paid to the performance measurement of logistics companies and, also, performance measurement processes have become more complex for logistics companies due to the existence of numerous performance indicators. In this regard, the way in which decision makers in logistics companies deal with some vaguenesses, such as deciding on the most important indicators holistically and determining interrelationships between performance indicators, has remained an issue that needs to be resolved.
This study, therefore, aims to offer a comprehensive decision model for identifying the key logistics performance indicators and determining the interrelationships among these indicators from logisticians’ perspective. In line with this purpose, the research first presents a stakeholder-based Balanced Scorecard (BSC) model which provides a balanced view by including financial and non-financial performance indicators and a comprehensive approach as a response to the major shortcoming of the generic BSC regarding the negligence of various stakeholders. Then, a large number of performance indicators used in logistics are systematically examined under the proposed model, and the key indicators are selected through an online survey conducted in the Turkish logistics industry. Subsequently, since the performance measurement indicators are not independent of each other, it is critical to understand the causal relationships among different indicators. In such cases, group decision making techniques are capable of modelling such complexities. After a systematic comparison of these techniques, a realistic and easy-to-follow multi-criteria decision making technique, the Analytic Network Process (ANP), is revealed as a suitably powerful method to determine the interrelationships among the indicators.
Additionally, a case study approach based on the data obtained from three logistics companies is used to illustrate both the applicability of the model and the practicality of the ANP application. Furthermore, the sensitivity of the results about the case companies is also analysed with several relevant ‘what-if’ scenarios. Thus, real-life practices of three case companies are investigated with the proposed approach.
Consequently, this research proposes the BSC-ANP integration which provides a novel way and in-depth understanding to evaluate logistics performance indicators for the competitiveness of logistics companies. Thus, in order to address the aforementioned vaguenesses, the proposed model in this study identifies key performance indicators with the consideration of various stakeholders in the logistics industry to decide on the most important indicators, and evaluates the interrelationships among the indicators by using the ANP. The results of the study show that the educated employee (15.61%) is the most important indicator for the competitiveness of logistics companies and four prominent indicators (educated employee, managerial skills, cost, and profitability) need to be primarily considered by logistics companies. In this way, with this integration, not only the performance indicators in logistics, but also different stakeholders of logistics companies are assessed by the ANP method. This means that the results of this research are not only useful for helping logistics companies to decide which indicators should be focused on to become more competitive, but also can be used as a reference model by different stakeholders in their decision-making processes in order to select the best logistics provider.
Keywords: Performance measurement; logistics performance indicators; balanced scorecard (BSC); analytic network process (ANP); multi-criteria decision making (MCDM); stakeholder