We extend our n-gram-based data-driven prediction approach from the Helping Our Own (HOO) 2011 Shared Task (Boyd and Meurers, 2011) to identify determiner and preposition errors in non-native English essays from the Cambridge Learner Corpus FCE Dataset (Yannakoudakis et al., 2011) as part of the HOO 2012 Shared Task. Our system focuses on three error categories: missing determiner, incorrect de...

The sense of a preposition is related to the semantics of its dominating prepositional phrase. Knowing the sense of a preposition could help to correctly classify the semantic role of the dominating prepositional phrase and vice versa. In this paper, we propose a joint probabilistic model for word sense disambiguation of prepositions and semantic role labeling of prepositional phrases. Our expe...

PP-attachment has traditionally been tackled as a binary classification task where a preposition is attached to the immediately preceding noun or to the main verb. In this paper, we provide an analysis of PP-attachment in German to show that the assumption that prepositions have only two head candidates does not hold. We propose a realistic PP-attachment data set, in which each preposition has ...

We describe our submission system to the SemEval-2016 Task 8 on Abstract Meaning Representation (AMR) Parsing. We attempt to improve AMR parsing by exploiting preposition semantic role labeling information retrieved from a multi-layer feed-forward neural network. Prepositional semantics is included as features into the transition-based AMR parsing system CAMR (Wang, Xue, and S. Pradhan 2015a). ...

In this paper we look at the question of how to create good automatic methods for generating descriptions of spatial relationships between objects in images. In particular, we investigate the impact of varying different aspects of automatic method development, including using different preposition sets, models and feature sets. We find that optimising the preposition set improves previous best ...

Choosing the right parameters for a word sense disambiguation task is critical to the success of the experiments. We explore this idea for prepositions, an often overlooked word class. We examine the parameters that must be considered in preposition disambiguation, namely context, features, and granularity. Doing so delivers an increased performance that significantly improves over two state-of...

The correct attachment of prepositional phrases (PPs) is a central disambiguation problem when parsing natural languages. This paper compares the baseline situation for French as exemplified in the Le Monde treebank with earlier findings for English, German and Swedish. We perform uniform treebank queries and show that the noun attachment rate for French prepositions is strongly influenced by t...

the different uses and meanings of “rā” have been repeatedly discussed in grammatical books and articles. some of grammarians know it as an indicator and some others know it as a preposition. there have been brought some other meanings for it in traditional grammar books such as: allocation, assistance, argument, description, agreement and concordance. seven uses of “rā” would be analyzed in pr...