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Recent work has utilised knowledge-aware approaches to natural language understanding, question answering, recommendation systems, and other tasks. These approaches rely on well-constructed and large-scale knowledge graphs that can be…

Computation and Language · Computer Science 2023-03-09 Tin Kuculo

Events of various kinds are mentioned and discussed in text documents, whether they are books, news articles, blogs or microblog feeds. The paper starts by giving an overview of how events are treated in linguistics and philosophy. We…

Computation and Language · Computer Science 2016-01-18 Jugal Kalita

Automatic extraction of temporal relations between event pairs is an important task for several natural language processing applications such as Question Answering, Information Extraction, and Summarization. Since most existing methods are…

Machine Learning · Computer Science 2014-01-27 Seyed Abolghasem Mirroshandel , Gholamreza Ghassem-Sani

For monitoring crises, political events are extracted from the news. The large amount of unstructured full-text event descriptions makes a case-by-case analysis unmanageable, particularly for low-resource humanitarian aid organizations.…

Computation and Language · Computer Science 2023-05-08 Clément Lefebvre , Niklas Stoehr

This workshop is the fourth issue of a series of workshops on automatic extraction of socio-political events from news, organized by the Emerging Market Welfare Project, with the support of the Joint Research Centre of the European…

Computation and Language · Computer Science 2021-08-19 Ali Hürriyetoğlu , Hristo Tanev , Vanni Zavarella , Jakub Piskorski , Reyyan Yeniterzi , Erdem Yörük

Emotion classification is often formulated as the task to categorize texts into a predefined set of emotion classes. So far, this task has been the recognition of the emotion of writers and readers, as well as that of entities mentioned in…

Computation and Language · Computer Science 2022-04-12 Enrica Troiano , Laura Oberländer , Maximilian Wegge , Roman Klinger

We compare various forms of prompts to represent event types and develop a unified framework to incorporate the event type specific prompts for supervised, few-shot, and zero-shot event detection. The experimental results demonstrate that a…

Computation and Language · Computer Science 2022-04-18 Sijia Wang , Mo Yu , Lifu Huang

Script event prediction aims to predict the subsequent event given the context. This requires the capability to infer the correlations between events. Recent works have attempted to improve event correlation reasoning by using pretrained…

Computation and Language · Computer Science 2022-12-12 Fangqi Zhu , Jun Gao , Changlong Yu , Wei Wang , Chen Xu , Xin Mu , Min Yang , Ruifeng Xu

Most existing work on event extraction has focused on sentence-level texts and presumes the identification of a trigger-span -- a word or phrase in the input that evokes the occurrence of an event of interest. Event arguments are then…

Computation and Language · Computer Science 2025-06-30 Shaden Shaar , Wayne Chen , Maitreyi Chatterjee , Barry Wang , Wenting Zhao , Claire Cardie

Narratives include a rich source of events unfolding over time and context. Automatic understanding of these events provides a summarised comprehension of the narrative for further computation (such as reasoning). In this paper, we study…

Computation and Language · Computer Science 2023-11-01 Seyed Mahed Mousavi , Shohei Tanaka , Gabriel Roccabruna , Koichiro Yoshino , Satoshi Nakamura , Giuseppe Riccardi

Event extraction is of practical utility in natural language processing. In the real world, it is a common phenomenon that multiple events existing in the same sentence, where extracting them are more difficult than extracting a single…

Computation and Language · Computer Science 2022-12-19 Xiao Liu , Zhunchen Luo , Heyan Huang

We present a system for rapidly customizing event extraction capability to find new event types and their arguments. The system allows a user to find, expand and filter event triggers for a new event type by exploring an unannotated corpus.…

Computation and Language · Computer Science 2018-09-24 Yee Seng Chan , Joshua Fasching , Haoling Qiu , Bonan Min

Event extraction, the technology that aims to automatically get the structural information from documents, has attracted more and more attention in many fields. Most existing works discuss this issue with the token-level multi-label…

Computation and Language · Computer Science 2022-01-11 Zhuo Xu , Yue Wang , Lu Bai , Lixin Cui

In this study, we present EventRL, a reinforcement learning approach developed to enhance event extraction for large language models (LLMs). EventRL utilizes outcome supervision with specific reward functions to tackle prevalent challenges…

Computation and Language · Computer Science 2024-02-20 Jun Gao , Huan Zhao , Wei Wang , Changlong Yu , Ruifeng Xu

Traditional event detection classifies a word or a phrase in a given sentence for a set of predefined event types. The limitation of such predefined set is that it prevents the adaptation of the event detection models to new event types. We…

Machine Learning · Computer Science 2019-10-28 Viet Dac Lai , Thien Huu Nguyen

Thanks to the rise of wearable and connected devices, sensor-generated time series comprise a large and growing fraction of the world's data. Unfortunately, extracting value from this data can be challenging, since sensors report low-level…

Machine Learning · Statistics 2016-09-30 Davis W. Blalock , John V. Guttag

Automated event extraction in social science applications often requires corpus-level evaluations: for example, aggregating text predictions across metadata and unbiased estimates of recall. We combine corpus-level evaluation requirements…

Computation and Language · Computer Science 2021-05-28 Andrew Halterman , Katherine A. Keith , Sheikh Muhammad Sarwar , Brendan O'Connor

Most previous event extraction studies have relied heavily on features derived from annotated event mentions, thus cannot be applied to new event types without annotation effort. In this work, we take a fresh look at event extraction and…

Computation and Language · Computer Science 2017-07-05 Lifu Huang , Heng Ji , Kyunghyun Cho , Clare R. Voss

The problem of event extraction requires detecting the event trigger and extracting its corresponding arguments. Existing work in event argument extraction typically relies heavily on entity recognition as a preprocessing/concurrent step,…

Computation and Language · Computer Science 2021-02-08 Xinya Du , Claire Cardie

Neural network based approaches to automated story plot generation attempt to learn how to generate novel plots from a corpus of natural language plot summaries. Prior work has shown that a semantic abstraction of sentences called events…

Computation and Language · Computer Science 2023-01-19 Prithviraj Ammanabrolu , Ethan Tien , Wesley Cheung , Zhaochen Luo , William Ma , Lara J. Martin , Mark O. Riedl