Theses, Dissertations & Reports

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    A Semantic Web Approach: Creating A Tourism Ontology For Chittagong District
    (International Islamic University Chittagong, 2023-07) Ullah, Md. Rohmat; Riyad, Suliman Hossain; Rahat, Rakib Hasan
    The purpose of this thesis is to utilize the Semantic Web, a web of interconnected mean ing, to develop a comprehensive tourism ontology for Chittagong district. This paper implemented ontology on tourism domain, proposed a general framework for tourism on tology and explained searching mechanism through Chittagong district tourism. Also, it presents different ways of reasoning the ontology. In general, ontology classifies the vari ables in need for some computations and creates interrelationships between them. The introduction of semantic web poses the demands for creating ontology in many domains. We have found that the utilization of ontologies within the tourism domain remains relatively limited. Notably, research into ontologies specifically focused on Chittagong tourism is entirely absent. To address this gap, this study proposed the development of a dedicated Chittagong tourism ontology. In the digital age, tourism thrives on readily available information and efficient organization. This thesis delves into the creation of a robust tourism ontology for Chittagong district, Bangladesh. By formalizing knowledge about tourism resources, attractions, and experiences, we aim to enhance information re trieval, facilitate data integration within the tourism sector. This ontology leverages the expressiveness of Web Ontology Language (OWL) to model the intricate relationships between various tourism entities. We capture details about historical sites, cultural at tractions, natural wonders, transportation networks, foods and accommodation options. The ontology also incorporates relevant concepts like accessibility, sustainability, and cultural sensitivity
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    Factors Influencing Green Consumption Behavior of Muslim Consumers in Bangladesh: Religiosity as a Moderator
    (International Islamic University Chittagong, 2018-11) Haque, Md. Shariful
    Green consumption which is termed as environment friendly consumption is inevitable for sustainable development. This research aims at finding and analyzing factors affecting green consumption behavior of consumers in Bangladesh; and it also attempts to see the moderating effect of religiosity between behavioral intention to consume green products and green consumption behavior of Muslim consumers. In this study, theory of planned behavior, and the theory of reasoned action have been taken into consideration for identifying the pertinent factors relating to behavior. The variables include behavioral intention to consume green products, willingness to consume green products, environmental education, group recommendations, and self-efficacy which are deemed to have a direct influence on green consumption behavior while religiosity has been used as the moderator in the relationship between these five independent variables and green consumption behavior. Data were collected from the customers of some selected shopping malls in Bangladesh using multi-stage sampling procedure. The Partial Least Square Structural Equation Modeling (PLS-SEM) is used to test the hypotheses of this study. It was found that behavioral intention to consume green products, willingness to consume green products, environmental education, and self-efficacy were significant factors which influence green consumption behavior. Among these determinants, behavioral intention to consume green products was found to be the most significant one. It was observed that the group recommendation is less significant as a factor which influences green consumption behavior. In the moderating effect, it was found that the relationship between behavioral intention to consume green products and green consumption behavior was moderated by religiosity. This study offers a new framework proposing the religiosity as a moderator to the green consumption behavior in developing countries. It supplements the existing empirical evidence to address the research gaps and responds to the calls for examining the consumption behavior in a Muslim developing country. The results derived from this research provide several practical implications for managers working in different industries and policy makers specifically, in terms of how to evaluate, build and improve the awareness among the consumers to consume green products.
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    Reduction and Utilization of Emitting CO2 by Using Molten Carbonate Fuel Cell (MCFC) Stack for Sustainable Development in Bangladesh
    (IIUC Central Library, 2017-12-14) Rahman, Md. Matiur; Rashid, Minhaz Ur
    Reduction of the CO2 emission from the existing natural gas and coal based power plant is a great challenge. Existing power plants of Bangladesh emit CO2 at a concerning rate. Meanwhile, that causes serious greenhouse effect. But Bangladesh government cannot afford to simply stop producing power from the existing power plants just because they are harmful to the environment. In this research work molten carbonate fuel cell implementation with the existing power plant has been proposed. This proposed hybrid power supply system not only reduces CO2 emission but also produces power by utilizing that CO2. Meanwhile, it makes the existing power plant environment friendly as well. After observation from MATLAB Simulink and COMSOL results it can be concluded that this proposed hybrid power plant is able to reduce CO2 emission by 70% from existing power plant and at the same time by using the reduced CO2, MCFC stack can produce power with an efficiency of 41.19% for a cell number of 1000. In the inverter section for discrete time operation, the maximum efficiency was found to be 59.81%. Again, from the mathematical analysis it was seen that Ghorashal and Ashuganj have the capability of producing 53.46 MW and 16.16 MW respectively. Meanwhile, considering 1 KW to be the maximum demand of each house it is possible to supply 53000 and 16000 houses respectively by using CO2 from both Ghorashal and Ashuganj power plant. Finally, this proposed hybrid power supply system would be a solution to ensure CO2 reduction, utilization and sustainable development in Bangladesh.