To offer effective providing of seawater and selling produced marine products, we need information of tide and product price. Existing system cannot offer effective approaching method since it uses web-service form under the base of internet. In this research, we suggest providing plan of tide information in detailed areas, by using mobile interface. On mobile device, we increased the user's accessibility by describing tide information to 3 types, table, graph and calendar. Next, we suggest information retrieval service of product price on mobile device. Also, they can make decision when to sell their products by using cellular phone. Especially, it is useful to aquaculture farmer to retrieve information from the server because they are restricted by where they are.International Symposium on Computer Science and its Applications 978-0-7695-3428-2/08 $25.00
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