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Artificial intelligence (AI) applications are an integral and emerging component of digital agriculture. AI can help ensure sustainable production in agriculture by enhancing agricultural operations and decision-making. Recommendations about soil condition and pesticides or automatic devices for milking and apple picking are examples of AI applications in digital agriculture. Although AI offers many benefits in farming, AI systems may raise ethical issues and risks that should be assessed and proactively managed. Poor design and configuration of intelligent systems may impose harm and unintended consequences on digital agriculture. Invasion of farmers' privacy, damaging animal welfare due to robotic technologies, and lack of accountability for issues resulting from the use of AI tools are only some examples of ethical challenges in digital agriculture. This paper examines the ethical challenges of the use of AI in agriculture in six categories including fairness, transparency, accountability, sustainability, privacy, and robustness. This study further provides recommendations for agriculture technology providers (ATPs) and policymakers on how to proactively mitigate ethical issues that may arise from the use of AI in farming. These recommendations cover a wide range of ethical considerations, such as addressing farmers' privacy concerns, ensuring reliable AI performance, enhancing sustainability in AI systems, and reducing AI bias.

With the increasing use of precision agriculture and technological development, the agricultural sector has been majorly transformed. Precision agriculture uses technological innovations such as sensors, drones, and data analysis tools to improve the productivity of resources and management decisions on the farm. Since these technologies collect a large amount of data related to the farm, the farmers are concerned about the privacy of their data. The farmers are worried about unauthorized access, collection, and sharing of their data with third parties by the agricultural technology providers (ATPs). Furthermore, the ambiguity of agreements and legal frameworks around data collection, processing, and sharing may result in uncertainty in data privacy practices. Furthermore, this situation is aggravated by a lack of adoption of best practices and standards for farm data protection. Violation of privacy can cause reluctance among farmers to adopt new technologies which can negatively impact various stakeholders, government, and public. Protecting farmers' privacy and respecting their rights related to the collected data should be addressed collectively by the actors in the farming ecosystem, including farmers, agricultural technology providers, governments, and supply chain stakeholders. This paper aims at providing recommendations on how to minimize privacy risks and concerns for farmers and reviews some of the data governance best practices for data protection.

The growth in the use of Information and Communications Technology (ICT) and Artificial intelligence (AI) has improved the productivity and efficiency of modern agriculture, which is commonly referred to as precision farming. Precision farming solutions are dependent on collecting a large amount of data from farms. Despite the many advantages of precision farming, security threats are a major challenge that is continuously on the rise and can harm various stakeholders in the agricultural system. These security issues may result in security breaches that could lead to unauthorized access to farmers' confidential data, identity theft, reputation loss, financial loss, or disruption to the food supply chain. Security breaches can occur because of an intentional or unintentional actions or incidents. Research suggests that humans play a key role in causing security breaches due to errors or system vulnerabilities. Farming is no different from other sectors. There is a growing need to protect data and IT assets on farms by raising awareness, promoting security best practices and standards, and embedding security practices into the systems. This paper provides recommendations for farmers on how they can mitigate potential security threats in precision farming. These recommendations are categorized into human-centric solutions, technology-based solutions, and physical aspect solutions. The paper also provides recommendations for Agriculture Technology Providers (ATPs) on best practices that can mitigate security risks.

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Privacy policy is a legal document in which the users are informed about the data practices used by the organizations. Past research indicates that the privacy policies are long and hard to understand. They are also known to have incomplete content. Users are not inclined to read the policy as they have to read long policies to find information about data practices of an organization. The solution that we are proposing in this research is to assist users with finding relevant content to their queries using semantic approach. This thesis presents the development of domain ontology for privacy policies. Natural Language Processing was used to understand the content of the policies and capture vocabulary for the ontology. This vocabulary was further used to build the ontology so that the ontology highlights relevant sentences related to a privacy concern. We validated and evaluated the ontology using different methods: competency questions, data driven, metric based and user evaluation. Results from the evaluation of ontology show that the amount of text to read is significantly reduced as the users have to only read selected text that ranged from 1% to 30% of a privacy policy. The amount of text depended on the query and its associated keywords. This signifies that the time required to read a policy is significantly reduced as the ontology directs user to the right content for a query. This finding was also confirmed by the results of the user study session. The results from the user study session indicated that the users found ontology helpful in finding relevant selected sentences to read as compared to reading the entire policy.iii ACKNOWLEDGEMENT First, I would like to express my gratitude to my advisor Dr. Rozita Dara for her constant support and advice throughout my research. Her vast knowledge, guidance and patience has helped me get through my masters. Next, I would like to thank my coadvisor Dr. Charlie Obimbo for his inputs and continuous support during my research. His encouragement and generous advice has helped me throughout my masters.Additionally, I would like to thank Dhiren Audich for providing the dataset of privacy policies and Curtis Rasmussen for providing the data set with the user concerns. I would also like to thank the participants who took their time to participate in the user study session. Also, I am forever grateful to my parents and my brother for their love, support and encouragement. This would have not been possible without their help. Lastly, I would like to thank my friends and extended family who have helped me during my study in Canada.