Title
Predicting the Argumenthood of English Prepositional Phrases
Abstract
Distinguishing between arguments and adjuncts of a verb is a longstanding, nontrivial problem. In natural language processing, argumenthood information is important in tasks such as semantic role labeling (SRL) and prepositional phrase (PP) attachment disambiguation. In theoretical linguistics, many diagnostic tests for argumenthood exist but they often yield conflicting and potentially gradient results. This is especially the case for syntactically oblique items such as PPs. We propose two PP argumenthood prediction tasks branching from these two motivations: (1) binary argument-adjunct classification of PPs in VerbNet, and (2) gradient argumenthood prediction using human judgments as gold standard, and report results from prediction models that use pretrained word embeddings and other linguistically informed features. Our best results on each task are (1) acc. = 0.955, F-1 = 0.954 (ELMo+BiLSTM) and (2) Pearson's r = 0.624 (word2vec+MLP). Furthermore, we demonstrate the utility of argumenthood prediction in improving sentence representations via performance gains on SRL when a sentence encoder is pretrained with our tasks.
Year
DOI
Venue
2018
10.1609/aaai.v33i01.33016578
national conference on artificial intelligence
Field
DocType
Volume
Verb,Oblique case,Theoretical linguistics,Computer science,Phrase,VerbNet,Natural language processing,Artificial intelligence,Word2vec,Sentence,Semantic role labeling
Journal
abs/1809.07889
Citations 
PageRank 
References 
0
0.34
0
Authors
4
Name
Order
Citations
PageRank
Najoung Kim142.44
K. Rawlins27910.84
Benjamin Van Durme3126892.32
Paul Smolensky421593.76