In recent years more and more information is available for tourists on the Internet. However, it is known to many that it is becoming increasingly difficult to obtain quality
information. Growing requirement for modern websites is rapid web development along with customized data services. Intelligent software agents have been used to make recommendations of items in a wide variety of domains, as e-Tourism. A fuzzy clustering method of construction of ontology-based user profiles is proposed in [5]. Similarity measures are usually used for determining distance between the clusters [6].