[PDF] Top 20 Lexical Features in Coreference Resolution: To be Used With Caution

... on lexical features, as it is the case in state-of-the- art coreference resolvers, overfitting become more ...in coreference resolu- tion, we believe an out-of-domain evaluation is a must in ... See full document

... of lexical features in greater detail and showed their benefit on the ACE05 corpus independent of, and combined with, a conventional set of coreference ...utilizing lexical information drawn ... See full document

... traditionally used in coreference resolution – the training set comprises 2,374 ...lexicalized features. Besides lexical features, we created features that use ... See full document

... ence resolution is the lack of semantic information to help determine the com- patibility between mentions referring to the same ...extend features derived from word embeddings can be successfully ... See full document

... document resolution of coreference between men- tions of events in ...of resolution of coreference between two event descriptions, without letting topic classifiers first solve most of event ... See full document

... required lexical pattern X who served as Y is a general appositive-like pattern that almost surely indicates ...these coreference patterns as in Hearst (1992), we instead opt to automatically ex- tract ... See full document

... We calculated the inter-annotator agreement scores on top- ics 1 - 4 of the new ECB+ corpus component which con- tains 55 texts. We first measured how much agreement there is on the assignment of event component tags per ... See full document

... Figure 4 shows the seven general knowledge sources (KSs) that represent features commonly used for corefer- ence resolution. The gender, number, and scoping KSs eliminate candidates from ... See full document

... the coreference model. That is, if the max- imum coreference score is below a threshold, then the anaphor is deemed non-referential to any candidate an- ...be used either as a pre-filter (Ng and ... See full document

... pronoun resolution work (Hobbs, 1976; Lappin and Leass, 1994; Ge et ...is used as a guideline and syntactic structures are encoded as features in a maximum entropy corefer- ence system; (3) The ... See full document

... those used in text-based approach in event coreference ...been used in grouping multiple video shots into the same video story (Hsu et ...been used for event coreference res- ...layer ... See full document

... There is a large existing body of work on corefer- ence resolution spanning from the 1970s of which Poesio et al. (2016) provides an exhaustive review. In recent years, the field has been dominated by machine ... See full document

... gazetteer features for multiword ...similarity features. For this we used unlabelled 83 million token corpus to create 200 similar world clusters as suggested by Faruqui and Pado ...syntactic ... See full document

... who used a rule- based ...were used by two systems in the CoNLL 2012 Shared Task, including the win- ning system (Fernandes et ...non-local features in their models, ... See full document

... tion approaches including the recent joint learning approach (Lu and Ng, 2017) which is the best per- forming model on the KBP 2016 corpus. For both datasets, the full discourse structure augmented model achieved ... See full document

... evaluating coreference chains, particularly when dealing with coreference of system-generated mentions not in the key (gold standard) set, leniency in handling split coreference chains, and ... See full document

... our features are similar to those described in Culotta et ...Relation Features, Gender and Num- ber Match, WordNet Features, Alias, Apposition, Relative Pronoun, and Both Mentions ...those ... See full document

... We evaluate our work in the context of a fully auto- matic system, as was done in (Mitkov et al., 2002). Our evaluation criteria is similar to their resolution etiquette. We define accuracy as the proportion of ... See full document

... Two rules were followed when the annotations were done: o 1: Whenever an expression ER represents a translation of an expression EE from the corresponding English text, if E s is tagged [r] ... See full document

... Compared with TC AD and TC THRESH, TC NEW produces large gains in the precision rates, which rank the highest among all the four systems. Although the recall also drops at the same time, the increase in the precision ... See full document