Grouping of Tourism Objects Using Geotagged Photo with Hierarchical Clustering Method in Bantul and Sleman

Bantul and Sleman regency has many tourism object that can attract tourists. However, tourism objects in this area are still poorly known by many people. When tourists visit tourism objects, they like to take pictures with a smartphone. The geotagging process can be done when taking photos using a smartphone. This data consists of latitude and longitude coordinates, though they can also include altitude, distance, and place names. The purpose of this study is to visualize photos of tourism objects based on location and provide detailed information related to the geotagged photo. The method used in this study is agglomerative hierarchical clustering. Grouping photos based on a hierarchy that starts from the village, district and regency. The results of this study are an application that can help users to receive information about tourism objects and display the location of photos with google maps. Users only need to upload a geotagged photo, to get this information. This application testing will be carried out by visitors of tourism objects in the Bantul and Sleman regency.