Holistic optimization techniques are well known in the research areas of engineering, science and technology. The current trends on application problems in engineering, science and technology are expanded in the areas of hotel, tourism and travel industry across the globe. This book chapter focuses on the best and high quality selected papers on the following research topics. The well-known and new methodologies on the holistic optimization techniques have been used to solve some of the complicated and hard problems in the areas of hotel, tourism and travel industry. This book chapter project will be open for interested authors in hotel management, social science, hospitality management areas to submit their manuscripts. It would also cover the best chapters from the research areas of information technology and computer science which are related to hotel, tourism and travel industry. The book chapter mainly focuses on new development and contribution of the current research to the body of the knowledge in the areas of hotel, tourism and travel industry which are related to internet and computer technology.