| 摘要 |
PROBLEM TO BE SOLVED: To provide a method and an apparatus for providing a retrieval service.SOLUTION: A method for providing a retrieval service executed in a retrieval server includes: receiving retrieval text inputted by a user; extracting a functional keyword indicating an object type of a part of text from the retrieval text; narrowing down and outputting the functional keyword when a part of the extracted functional keyword is deleted by the user; and performing retrieval using the narrowed down and outputted functional keyword.SELECTED DRAWING: Figure 4 |
