| Abstrakt: |
The apparatus according to claim 4, wherein the processor is further configured to conduct a search on the updated directed graph so as to avoid a re-search of a token that has already been searched in the updated directed graph. The method according to claim 14, wherein the generating the directed graph includes connecting the at least one phrase associated with the search-target-phrase with an appearance location corresponding to a location in the directed graph where the search-target-phrase appeared. The apparatus according to claim 7, wherein the processor is further configured to determine that the search-target-phrase has appeared in the directed graph, if the search-target-phrase matches at least one phrase corresponding to at least one ordered node in the tree structure. [Extracted from the article] |
