Identifying Prepositional Phrases in Chinese Patent Texts with Rule-based and CRF Methods

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Knowledge Triples

Source Entity	Relationship	Target Entity
CRF Method Method	achieves	Precision Rate Metric
CRF Method Method	addresses	Prepositional Phrases Material
Rule-Based Method Method	achieves	Precision Rate Metric
Rule-Based Method Method	addresses	Prepositional Phrases Material