This document outlines the guidelines and structure for writing a Ph.D. dissertation in computer science at top universities. It discusses selecting an appropriate topic within specialized areas like AI, machine learning, or human-computer interaction. The dissertation must have in-depth research and analysis on the topic. It then describes the formal structure, which typically includes an introduction, background, methodology, results, and conclusion sections. Statistical analysis tools and references to previous work are important. The dissertation should provide new insights, address gaps in existing research, and make recommendations for future work.