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This paper shows a successful application of Geographic information system to maritime safety. Pirate is a main threat to maritime safety. It is a critical problem to calculate the probability of encountering pirates for a trip. This paper proposes a GIS based method to estimate the probability using historical data from International Maritime Bureau (IMB) and the United Nations Conference on Trade...
Receipt-freeness is a key feature of modern electronic auction protocol, which means that there is no information known to the coercer/buyer that could be used for the bidder to prove his bidding price. This paper proposes an efficient sealed-bid auction scheme with receipt-free property. Using binary searching algorithm carefully, the proposed scheme is free from the bid-rigging by the coercer/buyer...
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