Predicate template collecting device, specific phrase pair collecting device and computer program therefor

摘要

A predicate template collector allowing efficient and automatic recognition of predicate templates is adapted to include: a noun pair collector 94 and a noun pair polarity determiner 98 for collecting noun pairs co-occurring with predicate template pairs and determining polarity of relation between nouns, using conjunctions and seed templates; a template pair collector 100, collecting template pairs co-occurring with noun pairs and determining, based on the relation of noun pairs co-occurring with the predicate template pairs and the conjunctions between predicate templates pairs, whether the polarity of excitatory class of predicate template pair is the same or not; a template network builder 106 building a template network connecting predicate templates based on the predicate template pairs and match/mismatch of excitatory class thereof; and a template excitation value calculator 112 calculating excitation value to be assigned to each node, using the excitation value of seed templates and the relation between each of the nodes in the network.