[PDF] Top 20 Event Coreference Resolution with Multi Pass Sieves

... on event coreference resolution was primarily evaluated on the MUC and ACE corpora, both of which contained within-document event coreference ...While event coreference ... See full document

... the event trigger decoding and event coreference de- coding in Algorithm 1 into two separate ...performing event trigger identification as well as event coref- erence resolution ... See full document

... hand, event coreference resolution incurs more difficulties comparing to the tradi- tional object coreference from two ...an event requires its role 1 information to distinguish it from ... See full document

... a multi-step machine learning approach to coreference ...multiple event instances of the same type (for instance multiple celebrities going into rehab, or the same celebrity reentering a rehab ... See full document

... an event slot (after removal of skip words), if instantiated in the ...an event slot (G), are specified for every location, time and human participant men- tion in the ...an event and entities ... See full document

... of event coreference resolution, recent work has shown the need to perform not only full coreference but also partial coreference of ... See full document

... by coreference resolution, and finally, ...tual coreference resolution of the identified men- tions. Sieves in this stage are sorted from highest to lowest ... See full document

... TV news is the medium that broadcasts events, stories and other information via television. The broadcast is conducted in programs with the name of “Newscast”. Typically, newscasts require one or several anchors who are ... 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

... first pass, the system extracts all the NE mentions ...This pass also extracts, if possible, gender features of each mention by analyzing adjacent ...each pass traverses the text from the beginning, ... See full document

... across event clusters in order to resolve additional WD and CD coreferent event ...two event mentions are related to the same set of events, it is likely that the two event mentions refer to ... See full document

... between event men- tions are modeled via event-related features ...indicate event argument compatibility), and ag- glomerative clustering is applied to greedily merge event mentions into ... See full document

... entity coreference, with rather lit- tle attention to the other ...and event coreference. We represent an event (entity) mention using its lexical span, surrounding context, and relation to ... See full document

... The final results are encouraging. Our multi-pass system achieved an F1 of 50.7, a full 10 F1 points over the All-Vague baseline, and a 14% relative in- crease over the top two systems in TempEval 3. This ... See full document

... the resolution of event coreference in an unsupervised way stem from (a) the choice of representing event mentions through a rich set of features and (b) the ability of modeling events ... See full document

... in coreference resolution come from semantic mismatches due to inadequate world ...and coreference resolution, which solves both problems jointly, reducing the errors made on ...tic ... See full document

... of event components related through hyponymy and meronymy. Mentions of event components are either (partially) overlapping or ...in coreference resolution as repetition, syn- onymy, anaphora ... See full document

... erence resolution, in both supervised and unsuper- vised learning setups (Bengston and Roth, 2008; Haghighi and Klein, ...Most coreference resolution approaches perform the task by aggregating local ... See full document

... of multi-layer feed forward neural network classifiers to identify event men- tions (Choubey and Huang, ...entity coreference resolution are per- formed using Stanford CoreNLP (Manning et ... See full document

... performed event corefer- ence using semantic relations ...full event coreference relations but also partial event corefer- ence ...Partial coreference is a term coined by Hovy et al. to ... See full document