| 摘要 |
A method of selecting at least one code word from a set of second data having at least one data group representing a set of first data having at least one data group including the steps of determining for one of the set of second data, all those data groups in the set of first data covered by the one of the set of second data, eliminating the covered data group from the set of first data, selecting as one of the at least one code word the one of the set of second data which covers the maximum number of data groups in the set of first data, and repeating the above steps until a given criteria is satisfied.
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