中文
相关论文

相关论文: Enhancing Crisis-Related Tweet Classification with…

200 篇论文

Due to the rapid growth of social media platforms, these tools have become essential for monitoring information during ongoing disaster events. However, extracting valuable insights requires real-time processing of vast amounts of data. A…

计算与语言 · 计算机科学 2025-11-14 Philipp Seeberger , Steffen Freisinger , Tobias Bocklet , Korbinian Riedhammer

The success of deep neural networks (DNNs) is heavily dependent on the availability of labeled data. However, obtaining labeled data is a big challenge in many real-world problems. In such scenarios, a DNN model can leverage labeled and…

机器学习 · 计算机科学 2018-05-15 Firoj Alam , Shafiq Joty , Muhammad Imran

Sentence embedding tasks are important in natural language processing (NLP), but improving their performance while keeping them reliable is still hard. This paper presents a framework that combines pseudo-label generation and model ensemble…

计算与语言 · 计算机科学 2025-01-28 Ziwei Liu , Qi Zhang , Lifu Gao

Media has a substantial impact on the public perception of events. A one-sided or polarizing perspective on any topic is usually described as media bias. One of the ways how bias in news articles can be introduced is by altering word…

计算与语言 · 计算机科学 2022-11-08 Timo Spinde , Jan-David Krieger , Terry Ruas , Jelena Mitrović , Franz Götz-Hahn , Akiko Aizawa , Bela Gipp

The idea of using multi-task learning approaches to address the joint extraction of entity and relation is motivated by the relatedness between the entity recognition task and the relation classification task. Existing methods using…

计算与语言 · 计算机科学 2020-09-18 Kai Sun , Richong Zhang , Samuel Mensah , Yongyi Mao , Xudong Liu

This paper presents our system for SemEval-2026 Task 9: Detecting Multilingual, Multicultural and Multievent Online Polarization, which identifies polarized social media content in 22 languages through three subtasks: binary detection,…

计算与语言 · 计算机科学 2026-05-12 Fengze Guo , Yue Chang

Events detected from social media streams often include early signs of accidents, crimes or disasters. Therefore, they can be used by related parties for timely and efficient response. Although significant progress has been made on event…

社会与信息网络 · 计算机科学 2020-02-12 Yi Han , Shanika Karunasekera , Christopher Leckie

The competition of extracting COVID-19 events from Twitter is to develop systems that can automatically extract related events from tweets. The built system should identify different pre-defined slots for each event, in order to answer…

计算与语言 · 计算机科学 2020-10-01 Chacha Chen , Chieh-Yang Huang , Yaqi Hou , Yang Shi , Enyan Dai , Jiaqi Wang

Social media currently provide a window on our lives, making it possible to learn how people from different places, with different backgrounds, ages, and genders use language. In this work we exploit a newly-created Arabic dataset with…

计算与语言 · 计算机科学 2019-11-05 Muhammad Abdul-Mageed , Chiyu Zhang , Arun Rajendran , AbdelRahim Elmadany , Michael Przystupa , Lyle Ungar

We present a novel approach for recognizing what we call targetable named entities; that is, named entities in a targeted set (e.g, movies, books, TV shows). Unlike many other NER systems that need to retrain their statistical models as new…

计算与语言 · 计算机科学 2014-08-05 Sandeep Ashwini , Jinho D. Choi

This study examines machine learning methods used in crisis management. Analyzing detected patterns from a crisis involves the collection and evaluation of historical or near-real-time datasets through automated means. This paper utilized…

机器学习 · 计算机科学 2025-02-11 Izunna Okpala , Shane Halse , Jess Kropczynski

In this paper we present our approach and the system description for Sub-task A and Sub Task B of SemEval 2019 Task 6: Identifying and Categorizing Offensive Language in Social Media. Sub-task A involves identifying if a given tweet is…

计算与语言 · 计算机科学 2019-04-22 Haimin Zhang , Debanjan Mahata , Simra Shahid , Laiba Mehnaz , Sarthak Anand , Yaman Singla , Rajiv Ratn Shah , Karan Uppal

Research shows that exposure to suicide-related news media content is associated with suicide rates, with some content characteristics likely having harmful and others potentially protective effects. Although good evidence exists for a few…

计算与语言 · 计算机科学 2022-06-29 Hannah Metzler , Hubert Baginski , Thomas Niederkrotenthaler , David Garcia

Named Entity Recognition and Disambiguation (NERD) systems are foundational for information retrieval, question answering, event detection, and other natural language processing (NLP) applications. We introduce TweetNERD, a dataset of 340K+…

计算与语言 · 计算机科学 2022-10-18 Shubhanshu Mishra , Aman Saini , Raheleh Makki , Sneha Mehta , Aria Haghighi , Ali Mollahosseini

In machine learning, temporal shifts occur when there are differences between training and test splits in terms of time. For streaming data such as news or social media, models are commonly trained on a fixed corpus from a certain period of…

计算与语言 · 计算机科学 2024-05-24 Asahi Ushio , Jose Camacho-Collados

Social networks are widely used for information consumption and dissemination, especially during time-critical events such as natural disasters. Despite its significantly large volume, social media content is often too noisy for direct use…

计算与语言 · 计算机科学 2021-04-09 Firoj Alam , Umair Qazi , Muhammad Imran , Ferda Ofli

Small class-imbalanced datasets, common in many high-level semantic tasks like discourse analysis, present a particular challenge to current deep-learning architectures. In this work, we perform an extensive analysis on sentence-level…

计算与语言 · 计算机科学 2021-01-05 Alexander Spangher , Jonathan May , Sz-rung Shiang , Lingjia Deng

We aim at solving the problem of predicting people's ideology, or political tendency. We estimate it by using Twitter data, and formalize it as a classification problem. Ideology-detection has long been a challenging yet important problem.…

机器学习 · 计算机科学 2020-06-19 Zhiping Xiao , Weiping Song , Haoyan Xu , Zhicheng Ren , Yizhou Sun

Social media is daily creating massive multimedia content with paired image and text, presenting the pressing need to automate the vision and language understanding for various multimodal classification tasks. Compared to the commonly…

计算与语言 · 计算机科学 2023-03-28 Chunpu Xu , Jing Li

Accurate alignment between languages is fundamental for improving cross-lingual pre-trained language models (XLMs). Motivated by the natural phenomenon of code-switching (CS) in multilingual speakers, CS has been used as an effective data…

计算与语言 · 计算机科学 2023-02-14 Chenxi Whitehouse , Fenia Christopoulou , Ignacio Iacobacci