[PDF] Top 20 A Maximum Entropy Model for Prepositional Phrase Attachment

... A Maximum Entropy Model for Prepositional Phrase Attachment A Maximum Entropy Model for Prepositional Phrase Attachment A d w a i t R a t n a p a r k h i , J e f f Reynar,* a n d S a l i m R o u k o s[.] ... See full document

... The prepositional phrase attachment problem has received a lot of attention as a stand alone ...a maximum entropy model (Ratna- parkhi et ...back-off model (Collins and ... See full document

... MaxEnt-based phrase reordering model in the sys- tem trained on large bitexts, we remove colloca- tion features and only use lexical features from the last words of blocks (similar to those from the first ... See full document

... tal flaw in this design is their inability to distin- guish between different meanings and abstractions of the same word. In the two sentences shown above, the word ‘pool’ has different meanings, but the same ... See full document

... as our tensor product model running with three different word embeddings. Two of the repre- sentative systems we list are the back-off model by Collins and Brooks (1999), and the neural model by ... See full document

... of Maximum Entropy but still a few percent behind Backed- Off ...determine attachment and there is a con- sequentially staggering jump in ...the Prepositional Phrase attachment ... See full document

... possible attachment sites for the PP, the v and ...the prepositional phrases attach to the correct ...on prepositional phrase attachment, a highly re- lated problem is preposition sense ... See full document

... a maximum entropy ...LDA model generates pairs of lemmas, representing the two arguments of a semantic relation, and can be trained, in an unsupervised manner, on a corpus anno- tated with semantic ... See full document

... The Model Switch- ing method as proposed in this paper can be used with any utility function decision criterion for any decision problem with categorical d a t a that can be represented [r] ... See full document

... PP attachment disambiguation for predicting other attachments in the ...PP attachment focused on a binary classification sce- nario (Section 2) and has been evaluated on the RRR dataset (Ratnaparkhi et ... See full document

... Hierarchical phrase-based (HPB) translation provides a powerful mechanism to capture both short and long distance phrase reorder- ...the phrase reorderings lack of contextual information in ... See full document

... our model in §5.2 makes each attachment decision independently, and in this example from the WSJ development test set, incorrectly attaches both on refund and at 5 percent to the ...our model of §5.3 ... See full document

... Heuristic Extraction of Unambiguous Cases Given a tagged and chunked sentence, the extraction heuristic returns head word tuples of the form v,p, n2 or n,p, n2, where v is the verb, n is[r] ... See full document

... Statistical Models for Unsupervised Prepositional Phrase Attachment S t a t i s t i c a l M o d e l s for U n s u p e r v i s e d P r e p o s i t i o n a l P h r a s e A t t a c h m e n t A d w a i t[.] ... See full document

... the attachment of a PP into the tree structure is ...or phrase, in turn, is necessary for automatic acquisition of important lexical knowledge, such as subcategorization frames and argument structures, ... See full document

... solving prepositional phrase attachment am- biguity, but sparse data remains a significant ...PP attachment model and we obtain significant improvements over the ... See full document

... Syntactically prepositions can be arranged into three classes- simple prepositions, compound prepositions and phrase prepositions. Different kinds of prepositions are used quite normally in English, in context of ... See full document

... Prepositional phrase attachment is a common source of ambiguity in natural language ...to prepositional phrase attachment that achieves similar performance to supervised ... See full document

... correctly attached PPs to investigate why un- labeled corpus size has such a small effect. We found that the noisiness of the statistics ex- tracted from Reuters were often responsible for attachment errors. The ... See full document

... For the particular case we are concerned with, attachment of a prepositional phrase in a verb + object context as in sentence 1, these two principles - at least in the version of syntax [r] ... See full document