Topic Analysis of Case Reports in Tourism Toward Collaborative Tourism Planning Support.- Mapping Geotagged Tweets to Tourist Spots Considering Activity Region of Spot.- Discovery of Implicit Feature Words of Place Name.- Extraction of Tourism Objects from Blogs.- An Innovative Regional Tourism Study by Microfilms.- On-site Likelihood Identification of Tweets Using a Two-stage Method.- Recommending Hotels by Social Conditions of Locations.- A System for Recommendation of Accommodation Facilities Adaptable to User Interest.- Adaptive User Interface for Personalized Transportation Guidance System.- The Effectiveness of Time Sequence Information on a Sightseeing Spot Recommender.- Suspect Vehicle Detection Using Vehicle Reputation with Association Analysis Concept.