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Social and Behavioral Sciences Commons™
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Full-Text Articles in Social and Behavioral Sciences
Using Location-Based Tracking Data To Analyze The Movements Of City Tourists, Modsching Marko, Kramer Ronny, Hagen Klaus Ten, Ulrike Gretzel
Using Location-Based Tracking Data To Analyze The Movements Of City Tourists, Modsching Marko, Kramer Ronny, Hagen Klaus Ten, Ulrike Gretzel
Faculty of Commerce - Papers (Archive)
This article presents a methodology to analyze the spatial behavior of tourists based on tracking data. This method was applied during a field study in the city of Görlitz at the east border of Germany. Based on Global Positioning System (GPS) logs the spatial distribution of visitors in various areas is visualized and analyzed. Using the bimodality of the distribution of walking speeds, areas of slowdown are identified and subsequently clustered into activity areas. Using the activity areas, the amount of time tourists allocate to various activity categories is computed. Furthermore, a subsequent analysis of the activity behavior is used …
Identity-Based On-Line/Off-Line Signcryption, Dongdong Sun, Xinyi Huang, Yi Mu, Willy Susilo
Identity-Based On-Line/Off-Line Signcryption, Dongdong Sun, Xinyi Huang, Yi Mu, Willy Susilo
Faculty of Commerce - Papers (Archive)
We present an identity-based on-line/off-line signcryption scheme, where most of computations are carried out when the message is not available(i.e., off-line stage) and the on-line part of our scheme does not require any exponent computations and therefore is very efficient. It combines the functionalities of signature and encryption and is provably secure in the random oracle model. We also show that our scheme is indistinguishable against adaptive chosen-ciphertext attacks (IND-IDSC-CCA2) and is existentially unforgeable against adaptive chosen-message attacks (EF-IDSC-ACMA).