Discovering bits of place histories from people's activity traces

摘要: Events that happened in the past are important for understanding ongoing processes, predicting future developments, and making informed decisions. Significant and/or interesting events tend to attract many people. Some people leave traces of their attendance form computer-processable data, such as records databases mobile phone operators or photos on photo sharing web sites. We developed a suite visual analytics methods reconstructing from these activity traces. Our tools combine geocomputations, interactive geovisualizations statistical enable integrated analysis spatial, temporal, thematic components including numeric attributes texts. demonstrate utility our approach two large real data sets, calls Milano during 9 days flickr made British Isles 5 years.