| Budget Amount *help |
¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000)
Fiscal Year 2013: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2012: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2011: ¥10,530,000 (Direct Cost: ¥8,100,000、Indirect Cost: ¥2,430,000)
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| Research Abstract |
First, we automatically acquired linguistic knowledge from a large-scale web corpus. The acquired linguistic knowledge mainly consists of case frames, which describe the relations between predicates and their arguments. Then, we integrated such linguistic knowledge into a linguistic analyzer to improve the performance of the analyzer. We also developed an information retrieval system based on the knowledge-rich linguistic analyzer, and confirmed that our information retrieval system outperformed conventional information retrieval systems based on bag of words and dependency relations.
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