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The emergence of synthetic data represents a pivotal shift in modern machine learning, offering a solution to satisfy the need for large volumes of data in domains where real data is scarce, highly private, or difficult to obtain. We…

Computation and Language · Computer Science 2024-08-19 Krisztian Balog , John Palowitch , Barbara Ikica , Filip Radlinski , Hamidreza Alvari , Mehdi Manshadi

We introduce SELECT (Scene tExt Label Errors deteCTion), a novel approach that leverages multi-modal training to detect label errors in real-world scene text datasets. Utilizing an image-text encoder and a character-level tokenizer, SELECT…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Wenjun Liu , Qian Wu , Yifeng Hu , Yuke Li

The tremendous growth of social media content on the Internet has inspired the development of the text analytics to understand and solve real-life problems. Leveraging statistical topic modelling helps researchers and practitioners in…

Social and Information Networks · Computer Science 2016-08-09 Marina Sokolova , Kanyi Huang , Stan Matwin , Joshua Ramisch , Vera Sazonova , Renee Black , Chris Orwa , Sidney Ochieng , Nanjira Sambuli

Large language models (LLMs) are increasingly used for topic modeling, outperforming classical topic models such as LDA. Commonly, pre-trained LLM encoders such as BERT are used out-of-the-box despite the fact that fine-tuning is known to…

Computation and Language · Computer Science 2026-02-23 Johannes Schneider

Stereotypes influence social perceptions and can escalate into discrimination and violence. While NLP research has extensively addressed gender bias and hate speech, stereotype detection remains an emerging field with significant societal…

Computation and Language · Computer Science 2025-10-08 Alessandra Teresa Cignarella , Anastasia Giachanou , Els Lefever

Time series anomaly detection is critical for supply chain management to take proactive operations, but faces challenges: classical unsupervised anomaly detection based on exploiting data patterns often yields results misaligned with…

Machine Learning · Computer Science 2026-01-28 Haoting Zhang , Shekhar Jain

Disciplines such as business process management and process mining aid organizations by discovering insights about processes on the basis of recorded event data. However, an obstacle to process analysis is data multi-modality: for instance,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Marco Pegoraro , Jonas Seng , Dustin Heller , Wil M. P. van der Aalst , Kristian Kersting

Large Language Models (LLMs) have demonstrated extraordinary performance across a broad array of applications, from traditional language processing tasks to interpreting structured sequences like time-series data. Yet, their effectiveness…

Databases · Computer Science 2023-07-18 Shuhao Zhang , Xianzhi Zeng , Yuhao Wu , Zhonghao Yang

With the advent of Transformers, large language models (LLMs) have saturated well-known NLP benchmarks and leaderboards with high aggregate performance. However, many times these models systematically fail on tail data or rare groups not…

Computation and Language · Computer Science 2022-10-13 Nazneen Rajani , Weixin Liang , Lingjiao Chen , Meg Mitchell , James Zou

NLP Workbench is a web-based platform for text mining that allows non-expert users to obtain semantic understanding of large-scale corpora using state-of-the-art text mining models. The platform is built upon latest pre-trained models and…

Computation and Language · Computer Science 2024-03-06 Peiran Yao , Matej Kosmajac , Abeer Waheed , Kostyantyn Guzhva , Natalie Hervieux , Denilson Barbosa

This paper focuses on the detection of potentially dangerous tendencies of social media users in an innovative multimodal way. We integrate Natural Language Processing (NLP) and Graph Neural Networks (GNNs) together. Firstly, we apply NLP…

Machine Learning · Computer Science 2025-09-23 Cuiqianhe Du , Chia-En Chiang , Tianyi Huang , Zikun Cui

Understanding abnormal events in videos is a vital and challenging task that has garnered significant attention in a wide range of applications. Although current video understanding Multi-modal Large Language Models (MLLMs) are capable of…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Yingxian Chen , Jiahui Liu , Ruidi Fan , Yanwei Li , Chirui Chang , Shizhen Zhao , Wilton W. T. Fok , Xiaojuan Qi , Yik-Chung Wu

Large language models (LLMs) have achieved remarkable success in text-based tasks but often struggle to provide actionable guidance in real-world physical environments. This is because of their inability to recognize their limited…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Muhammad Saif Ullah Khan , Muhammad Zeshan Afzal , Didier Stricker

We present an advanced approach to mobile app review analysis aimed at addressing limitations inherent in traditional star-rating systems. Star ratings, although intuitive and popular among users, often fail to capture the nuanced feedback…

Artificial Intelligence · Computer Science 2025-09-26 Najla Zuhir , Amna Mohammad Salim , Parvathy Premkumar , Moshiur Farazi

Detecting toxic language including sexism, harassment and abusive behaviour, remains a critical challenge, particularly in its subtle and context-dependent forms. Existing approaches largely focus on isolated message-level classification,…

The emergence of Large Language Models (LLMs), including ChatGPT, is having a significant impact on a wide range of fields. While LLMs have been extensively researched for tasks such as code generation and text synthesis, their application…

Cryptography and Security · Computer Science 2025-02-17 Takashi Koide , Naoki Fukushi , Hiroki Nakano , Daiki Chiba

Despite significant progress in text anomaly detection for web applications such as spam filtering and fake news detection, existing methods are fundamentally limited to document-level analysis, unable to identify which specific parts of a…

Computation and Language · Computer Science 2026-01-21 Yang Cao , Bicheng Yu , Sikun Yang , Ming Liu , Yujiu Yang

Large Language Models (LLMs) exhibit emerging in-context learning abilities through prompt engineering. The recent progress in large-scale generative models has further expanded their use in real-world language applications. However, the…

Computation and Language · Computer Science 2024-04-12 Linyi Yang , Shuibai Zhang , Zhuohao Yu , Guangsheng Bao , Yidong Wang , Jindong Wang , Ruochen Xu , Wei Ye , Xing Xie , Weizhu Chen , Yue Zhang

With the emergence of widely available powerful LLMs, disinformation generated by large Language Models (LLMs) has become a major concern. Historically, LLM detectors have been touted as a solution, but their effectiveness in the real world…

Computation and Language · Computer Science 2024-09-30 Henrique Da Silva Gameiro , Andrei Kucharavy , Ljiljana Dolamic

We present a system using Multimodal LLMs (MLLMs) to analyze a large database with tens of millions of images captured at different times, with the aim of discovering patterns in temporal changes. Specifically, we aim to capture frequent…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Boyang Deng , Songyou Peng , Kyle Genova , Gordon Wetzstein , Noah Snavely , Leonidas Guibas , Thomas Funkhouser