8. The system according to claim 7 , wherein the entity word identifying means for identifying the one or more entity words of the seed document includes focused named entity recognition (FNER) technology.
9. The system according to claim 8 , wherein the topic word identifying means is configured to identify the one or more topic words of the seed document with focused topic detection (FTD) technology using the FNER technology as a basis for identifying the one or more topic words.