＝How to specify a reference word＝
[Reference word:Reference condition input field]
| ・A half-corner character and the whole corner character are handled as the same character at the time of the reference. Example : As for "ABC half-corner", "ABC" (the whole corner) is the same. |
| ・A blank between the character and the character is considered an AND arithmetic operator.
Example : "Yamada Taro" is the same as "Yamada AND Taro". |
[Arithmetic operator:Reference condition input field]
| ・More than one word (string) is combined in the logical operator "AND", "OR", and terms of reference are specified. |
| The arithmetic operator which can be used | AND |
| OR |
●The use of the arithmetic operator and reference example
| NEC AND computer | The article which contains both of "NEC" and "the personal computer" is a big hit. |
| Tokyo OR Kanagawa | "Tokyo" The article which contains either of "Kanagawas" is a big hit. |
| Sun | 「SUN」 word that it begins in "SUn", "Sun", "sun", "SuN", "sUN", "suN" and "sUn" is looked up. |