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In recent years, business transactions through electronic data interchange (EDI) have spread globally; usefulness of EDI has been anticipated in the market. Although EDI transactions require a standard code format, various problems have occurred through use of such code in actual markets. This paper presents a new data transmission code for seafood EDI, expanding conventional standard formats of the product code. Subsequently, we present a new EDI system model using the new code which includes two main functions: product definitions and learning of code transmission. The system test in a market showed efficiency and effectiveness of the model.

This paper considers the problem of how luggages should be assign to each truck for the transportation system consists of a depot, a fixed area and two types of luggages, called schedule problem. The main purpose of this paper is to propose a procedure for the problem subject to keep the balance of work loads among truck drivers. The procedure is based on 3 (heuristic) rules for replacing the addresses of each luggage with the ‘ conventional address ,’ converting size of each luggage into ‘ weight ’ and introducing a measure to keep the balance of work loads. The procedure consists of three stages according to ‘ priority ’ of the types of luggages. A case study is presented that demonstrate the practical usefulness of the procedure.