Explore the intricacies of hotel review analysis in this 30-minute EuroPython 2018 conference talk by Elisabetta Bergamini. Delve into the challenges of processing terabytes of global hotel reviews across multiple languages and platforms. Learn about the technologies and algorithms behind TrustYou's Metareview system, which aims to provide travelers with meaningful information for finding their ideal accommodations. Discover how semantic analysis, TFIDF, and machine learning techniques are applied to extract valuable insights from vast amounts of user-generated content. Gain insights into the complexities of interpreting subjective opinions, handling language nuances, and addressing specific issues like golf and casino reviews. Understand the impact of online reviews on the travel industry and how data-driven solutions are revolutionizing the way people choose their perfect hotel match.