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The previous work for event extraction has mainly focused on the predictions for event triggers and argument roles, treating entity mentions as being provided by human annotators. This is unrealistic as entity mentions are usually predicted…

Computation and Language · Computer Science 2018-12-04 Trung Minh Nguyen , Thien Huu Nguyen

Cross-document event coreference resolution (CDCR) is an NLP task in which mentions of events need to be identified and clustered throughout a collection of documents. CDCR aims to benefit downstream multi-document applications, but despite…

Computation and Language · Computer Science 2021-06-14 Michael Bugert , Nils Reimers , Iryna Gurevych

Coreference resolution has been mostly investigated within a single document scope, showing impressive progress in recent years based on end-to-end models. However, the more challenging task of cross-document (CD) coreference resolution…

Computation and Language · Computer Science 2021-06-03 Arie Cattan , Alon Eirew , Gabriel Stanovsky , Mandar Joshi , Ido Dagan

A long-standing challenge in coreference resolution has been the incorporation of entity-level information - features defined over clusters of mentions instead of mention pairs. We present a neural network based coreference system that…

Computation and Language · Computer Science 2016-06-10 Kevin Clark , Christopher D. Manning

Cross-document event coreference resolution (CDECR) involves clustering event mentions across multiple documents that refer to the same real-world events. Existing approaches utilize fine-tuning of small language models (SLMs) like BERT to…

Computation and Language · Computer Science 2024-06-05 Qingkai Min , Qipeng Guo , Xiangkun Hu , Songfang Huang , Zheng Zhang , Yue Zhang

We propose a dataset for event coreference resolution, which is based on random samples drawn from multiple sources, languages, and countries. Early scholarship on event information collection has not quantified the contribution of event…

Computation and Language · Computer Science 2022-03-22 Ali Hürriyetoğlu , Osman Mutlu , Fatih Beyhan , Fırat Duruşan , Ali Safaya , Reyyan Yeniterzi , Erdem Yörük

We present a novel hierarchical distance-dependent Bayesian model for event coreference resolution. While existing generative models for event coreference resolution are completely unsupervised, our model allows for the incorporation of…

Computation and Language · Computer Science 2015-09-28 Bishan Yang , Claire Cardie , Peter Frazier

Many problems in NLP require aggregating information from multiple mentions of the same entity which may be far apart in the text. Existing Recurrent Neural Network (RNN) layers are biased towards short-term dependencies and hence not…

Computation and Language · Computer Science 2018-04-18 Bhuwan Dhingra , Qiao Jin , Zhilin Yang , William W. Cohen , Ruslan Salakhutdinov

In the last decade, the field of Neural Language Modelling has witnessed enormous changes, with the development of novel models through the use of Transformer architectures. However, even these models struggle to model long sequences due to…

Computation and Language · Computer Science 2020-11-12 Nikolaos Stylianou , Ioannis Vlahavas

Annotating cross-document event coreference links is a time-consuming and cognitively demanding task that can compromise annotation quality and efficiency. To address this, we propose a model-in-the-loop annotation approach for event…

Computation and Language · Computer Science 2023-06-12 Shafiuddin Rehan Ahmed , Abhijnan Nath , Michael Regan , Adam Pollins , Nikhil Krishnaswamy , James H. Martin

The target of a coreference resolution system is to cluster all mentions that refer to the same entity in a given context. All coreference resolution systems need to solve two subtasks; one task is to detect all of the potential mentions,…

Computation and Language · Computer Science 2022-12-20 Yu Wang , Hongxia Jin

In this paper, we study the identity of textual events from different documents. While the complex nature of event identity is previously studied (Hovy et al., 2013), the case of events across documents is unclear. Prior work on…

Computation and Language · Computer Science 2021-09-15 Adithya Pratapa , Zhengzhong Liu , Kimihiro Hasegawa , Linwei Li , Yukari Yamakawa , Shikun Zhang , Teruko Mitamura

We study the potential synergy between two different NLP tasks, both confronting predicate lexical variability: identifying predicate paraphrases, and event coreference resolution. First, we used annotations from an event coreference…

Computation and Language · Computer Science 2020-10-12 Yehudit Meged , Avi Caciularu , Vered Shwartz , Ido Dagan

Event coreference models cluster event mentions pertaining to the same real-world event. Recent models rely on contextualized representations to recognize coreference among lexically or contextually similar mentions. However, models…

Computation and Language · Computer Science 2023-02-23 Sahithya Ravi , Chris Tanner , Raymond Ng , Vered Shwartz

Entity Linking aims to link entity mentions in texts to knowledge bases, and neural models have achieved recent success in this task. However, most existing methods rely on local contexts to resolve entities independently, which may usually…

Computation and Language · Computer Science 2018-11-22 Yixin Cao , Lei Hou , Juanzi Li , Zhiyuan Liu

Natural Language Processing tasks such as resolving the coreference of events require understanding the relations between two text snippets. These tasks are typically formulated as (binary) classification problems over independently induced…

Computation and Language · Computer Science 2023-02-17 Xiaodong Yu , Wenpeng Yin , Dan Roth

We propose a coreference annotation scheme as a layer on top of the Universal Conceptual Cognitive Annotation foundational layer, treating units in predicate-argument structure as a basis for entity and event mentions. We argue that this…

Computation and Language · Computer Science 2019-06-12 Jakob Prange , Nathan Schneider , Omri Abend

We introduce the first end-to-end coreference resolution model and show that it significantly outperforms all previous work without using a syntactic parser or hand-engineered mention detector. The key idea is to directly consider all spans…

Computation and Language · Computer Science 2017-12-19 Kenton Lee , Luheng He , Mike Lewis , Luke Zettlemoyer

A key challenge in entity linking is making effective use of contextual information to disambiguate mentions that might refer to different entities in different contexts. We present a model that uses convolutional neural networks to capture…

Computation and Language · Computer Science 2016-04-05 Matthew Francis-Landau , Greg Durrett , Dan Klein

Cross-document coreference, the problem of resolving entity mentions across multi-document collections, is crucial to automated knowledge base construction and data mining tasks. However, the scarcity of large labeled data sets has hindered…

Artificial Intelligence · Computer Science 2015-03-17 Sameer Singh , Michael Wick , Andrew McCallum