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All Journal International Journal of Advances in Applied Sciences Journal of Governance Risk Management Compliance and Sustainability
Islam, Md Ashraful
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Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Role of Facebook in Covid-19 Crisis Management and Awareness Raising Efforts in Bangladesh: Sentiment And Thematic Analysis Islam, Md Ashraful
Journal of Governance Risk Management Compliance and Sustainability Vol. 2 No. 2 (2022): October Volume
Publisher : Center for Risk Management & Sustainability and RSF Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1217.337 KB) | DOI: 10.31098/jgrcs.v2i2.1167

Abstract

The advent of social media opened up a new window of opportunity for crisis communication. These platforms hold great promise as emergency communication tools. It is essential to understand the potential of these platforms in reaching people during an unknown circumstance like the Covid-19 pandemic. This study aims to assess the role of Facebook in Covid-19 awareness-building efforts and its relevance for crisis communication in the public sector of Bangladesh. Posts and comments from the Facebook page of the Directorate General of Health Service (DGHS) were extracted from January 1 to June 8, 2020. Government efforts were classified and categorized by different themes based on the content of the posts made by the DGHS. Citizen response and the effort of the DGHS were evaluated by sentiment analysis on English comments made by Facebook users. The results show that the DGHS actively initiated posts from the first Covid-19 case with a significant increase in citizen engagement over time. Nine significant themes from the content of the DGHS’s post were identified, among which Facebook live bulletin (28%) and awareness and preventive measures (26%) were the most prevalent themes. Sentiment analysis found the prevalence of positive sentiment in over 20% of the comments. The findings suggest that the DGHS significantly draws public attention through the active use of its Facebook page. Through an official source, Facebook played a key role in facilitating emergency communication during the pandemic and delivering awareness campaigns on behalf of the government.
Performance assessment of routing protocols for campus area emergency delay-tolerant network Roy, Sujan Chandra; Rahim, Muhammad Sajjadur; Islam, Md Ashraful
International Journal of Advances in Applied Sciences Vol 13, No 1: March 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v13.i1.pp54-62

Abstract

Handheld devices have recently become an indispensable part of our daily lives. These devices always require an end-to-end connection for proper message transmission. Message transmission will be halted if the connection fails. In this case, delay-tolerant networks (DTNs) are preferable. One of the most important applications of DTN is the transmission of emergency messages among rescue personnel in the aftermath of a disaster. Previously, we created a simulation map in the Rajshahi University (RU) campus area of Bangladesh and studied the performance of DTN routing protocols. This paper used our developed simulation map to evaluate the performance of DTN and social-based routing protocols for emergency message circulation in the RU campus area when traditional communication networks are unavailable. We conducted extensive experiments with the opportunistic network environment (ONE) simulator for evaluations. The performance analysis is based on the delivery ratio, average latency, transmission cost, and average hop count of each group when the message size and node density are changed. According to the simulation results, dLife outperforms all other routing protocols in terms of delivery ratio, while the Spray-and-Focus routing protocol outperforms all other performance metrics.
Co-Authors Rahim, Muhammad Sajjadur Roy, Sujan Chandra