[PDF] Top 20 Unsupervised Ranking Model for Entity Coreference Resolution

... Several unsupervised learning algorithms have been applied to coreference ...Bayesian model for un- supervised coreference ...this model, Ng (2008) probabilistically induced corefer- ... See full document

... of entity-level features has been a driving force behind the development of many coreference resolution systems (Luo et ...a model with ar- bitrary entity-level features, so systems ... See full document

... pervised coreference resolution. Our model deviates from Haghighi & Klein’s (2007) in several impor- tant ...not model saliences for proper nouns or nominals, as their influence is ... See full document

... In this work, we address the lack of large train- ing sets for pronoun disambiguation by introduc- ing a large dataset that can be easily extended. To generate this dataset, we find passages of text where a personal name ... See full document

... by coreference researchers and was implemented even within recently developed coreference re- solvers ...to coreference resolution, so er- rors in anaphoricity determination can propagate to ... See full document

... to entity coreference resolu- tion (Ng, 2010), which deals with identifying and grouping noun phrases that refer to the same dis- course entity, event coreference resolution has not ... See full document

... incremental model, present constraints on buffer list access, discuss our filtering system and our approximation of the binding ...incremental entity-mention model on the number of candidate pairs is ... See full document

... We evaluate unsupervised, supervised and self- trained models on ACE (Phase 2) (Mitchell et al., 2003). 4 This data set is one of the most widely used CoRe benchmarks and was used by the sys- tems that are most ... See full document

... For classifiers, we replicate the procedures of Ng and Cardie (2002b). During training, instances are formed by pairing each anaphor with each of its pre- ceding candidates, until the antecedent is reached: the closest ... See full document

... the entity F-measure is not necessarily op- timal for ACE-Value, and vice versa: θ = ...the entity F-measure, while θ = ...the entity F-measure (at θ = ...the entity F-measure and ACE-Value ... See full document

... the model estimates {IS(r)} by using the association analysis of mention pair relations and coreference links over the entire entity set of the input ...the ranking of the informative- ness ... See full document

... makes coreference resolution challenging, partly because many basic coreference features, such as those looking at head, number, or gender match fail to distinguish between truly coreferent pairs and ... See full document

... We address the potential explosion in training data size by considering only merge operations that are likely to be inspected by the algorithm as it runs. To achieve this, Algorithm 2 repeatedly runs the ac- tual ... See full document

... Coreference resolution is the process of determining the entity that noun phrases refer ...knowledge-based, unsupervised clustering algorithm for Chinese coreference resolution ... See full document

... It is generally not safe to assume that multiple occur- rences of a noun phrase refer to the same entity. For example, the company may refer to Company X in one paragraph and Company Y in another. However, lex- ... See full document

... NESS , CONFLICT , and JUSTICE . Therefore, as a second dataset, we created the EventCorefBank (ECB) corpus 6 to increase the diversity of event types and to be able to evaluate our models for both within- and ... See full document

... Event coreference resolution is the task of deter- mining which event mentions in a text refer to the same real-world ...to entity corefer- ence, event coreference is not only much less stud- ... See full document

... Coreference resolution is governed by syntac- tic, semantic, and discourse ...generative, model-based approach in which each of these factors is modularly en- capsulated and learned in a primarily ... See full document

... of coreference links in the reference partition that appear in the system partition; preci- sion is computed in the same fashion as recall, ex- cept that the roles of the reference partition and the system ... See full document

... Due to this limitation, the HDP extensions will be able to run only using a restricted, manually selected set of feature types. 7 Therefore, the existence of a novel methodology that is able to consider a much smaller ... See full document