Paper: Dependency Analyzer: A Knowledge-Based Approach To Structural Disambiguation

ACL ID C90-2049
Title Dependency Analyzer: A Knowledge-Based Approach To Structural Disambiguation
Venue International Conference on Computational Linguistics
Session Main Conference
Year 1990
Authors

To resolve structural ambiguities in syntactic analysis of natural language, which are caused by prepositional phrase attachment, relative clause attachment, and so on, we de- veloped an experimental system called tile Dependency An- al!lzcr. The system uses instances of dependency structures extracted froth a terminology dictionary as a knowledge ba.~e. Structural (attachment) ambiguity is represented by showing that a word has several words as c;tndidate modiliees. Tim system resolves such ambiguity as follows. First, it searches the knowledge base for modification re- lationships (dependencies) between the word and each of its possible modifiees, then assigns an order of preference to these relationships, and finally seieets the most prefer- able deper.dency. The knowledge base can be c...