BIG DATA SYSTEM AND TOURIST INTELLIGENCE FOR THE MEASUREMENT AND EVALUATION OF TOURIST RESOURCES OF A DESTINATION. Development of “social probes” that, from the massive capture of data from the web and social networks, allow to measure a tourist resource. Development of an opinion mining system, not only to evaluate opinions but to associate them with tourism resources (hotels, restaurants, museums, …) based on user comments through complex systems of analysis based on Artificial Intelligence.