METHOD, SYSTEM AND COMPUTER PROGRAM FOR SEMANTIC TRIPLE-BASED KNOWLEDGE EXTENSION

A semantic triple-based knowledge extension system incluides a data updater configured to update existing semantic triple data; a question generating module configured to generate a question by utilizing and combining entity synonyms and attribute synonyms; an actual question obtaining unit configured to obtain actual user questions based on user logs; a semantic triple extractor configured to select a relevant passage candidate group according to characteristics of the question and specify a search target, search for a passage relevant to the corresponding question, and derive a unique instant answer based on a retrieved passage and question data; and a semantic triple conversion module configured to convert a unique instant answer, which is a correct answer, and a question into the form of a semantic triple including an entity, an attribute, and an instant answer.