| 摘要 |
PURPOSE:To output information that an operator wants at a comparatively early stage by sorting information in the order of high frequency irrespective of the order at the time of registration. CONSTITUTION:A frequency order sorting part 17 rearranges registration information specifying information outputted from an information retrieval part 16 in the order of frequency added to said registration information. Whenever retrieval and registration are carried out, a frequency information control part 19 calculates the retrieval frequency regarding each registration information stored in an information memory part 14, and transmits it as frequency information updating information to a frequency information updating part 20. Based on the frequency information updating information transmitted from a frequency information control part 19, said part 20 updates frequency information regarding each registration information stored in the information memory part 14. A frequency information adding part 21 transmits a frequency information initial value to be added when a registration is newly made to an information registration part 13.
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