Defense

The thesis presented a research in the field of manual graphics-based image retrieval (SBIR) to find similar images from big databases by entering sketches into a model composed of a generative unit and a retrieval unit. This model aims to develop the ability to view and retrieve images from big databases, and to solve the problem of linking manual drawings to groups of images that are seen during training and that fail to generalize to groups that are not visible.

This thesis presents a framework for the digital investigations used in the early detection and response to internal security threats and cyber security incidents that may arise in the institutions of global financial sector. Based on the grounded theory methodology as one of the most important tools of qualitative practical research and qualitative data collection, the proposed framework model was developed through reviewing the literature and comprehensive searches for a set of models for frameworks of digital investigations and response to security incidents and their improvement.

The research aimed to reveal the degree of practicing participatory leadership in its various aspects, and its relationship to administrative empowerment and job satisfaction in Palestinian higher education institutions from the point of view of the employees. In addition, the research aimed to identify the differences between the averages of the respondents' opinions on the degree of practicing participatory leadership in achieving administrative empowerment and job satisfaction from the workers' point of view.