“…International Workshops and continuous research tracks have been devoted to Tweet Contextualization [10], and related geographic information received much attention: in [15] authors propose and evaluate a probabilis-135 tic framework for estimating a Twitter user's city-level location based purely on the content of the user's tweets, while in [16] geo-space relationships and proximity influence are associated to tweet contents, since people in close geographic proximity can provide real-time information and eyewitness updates for one another about events of local interest. In the domain of Cultural Her-140 itage, the introduction of #culturalheritage in the official Twitter hashtag set has provided evidence of the increasing interest of users about this topic, and an interesting study appeared about tweets usage for Museum activities and events promotions [17]. A recent study [5] reports on the association of indoor with outdoor activities, in order to both suggest possible venues and provide 145 associated content at opportune location and times in novel ways; in this paper we rather explore the associations of information coming from territorial visits and on-site events by focusing the analysis on CH-related tweets, based on their semantic, geographic and temporal attributes.…”