We present several unsupervised statistical models for the prepositional phrase attachment task that approach the accuracy of the best supervised methods for this task. Our unsupe...
Prepositional phrase attachment is a major cause of stru(:tural alnbiguity in natural language. Recent work has been dependent on corpus-based approaches to deal with this problem...
Hierarchical phrase-based (HPB) translation provides a powerful mechanism to capture both short and long distance phrase reorderings. However, the phrase reorderings lack of conte...