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.