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As large language models (LLMs) become more specialized, we envision a future where millions of expert LLMs exist, each trained on proprietary data and excelling in specific domains. In such a system, answering a query requires selecting a…

Large Language Models (LLMs) are rapidly evolving and impacting various fields, necessitating the development of effective methods to evaluate and compare their performance. Most current approaches for performance evaluation are either…

Computation and Language · Computer Science 2025-02-11 Behrad Moniri , Hamed Hassani , Edgar Dobriban

Event detection in text streams is a crucial task for the analysis of online media and social networks. One of the current challenges in this field is establishing a performance standard while maintaining an acceptable level of…

Computation and Language · Computer Science 2024-12-23 Marjolaine Ray , Qi Wang , Frédérique Mélanie-Becquet , Thierry Poibeau , Béatrice Mazoyer

Event datasets in the financial domain are often constructed based on actual application scenarios, and their event types are weakly reusable due to scenario constraints; at the same time, the massive and diverse new financial big data…

Machine Learning · Computer Science 2023-02-17 Dianyue Gu , Zixu Li , Zhenhai Guan , Rui Zhang , Lan Huang

Customer retention is one of the primary goals in the area of customer relationship management. A mass of work exists in which machine learning models or business rules are established to predict churn. However, targeting users at an early…

Computers and Society · Computer Science 2018-02-27 Kun Hu , Zhe Li , Ying Liu , Luyin Cheng , Qi Yang , Yan Li

In this work, we propose a framework that creates a lively virtual dynamic scene with contextual motions of multiple humans. Generating multi-human contextual motion requires holistic reasoning over dynamic relationships among human-human…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Donggeun Lim , Jinseok Bae , Inwoo Hwang , Seungmin Lee , Hwanhee Lee , Young Min Kim

Automatic detection of topical trends at scale is both challenging and essential for maintaining a dynamic content ecosystem on social media platforms. In this work, we present a large-scale system for identifying emerging topical trends on…

Information Retrieval · Computer Science 2026-05-01 Hangqi Zhao , Jay Li , Abhiruchi Bhattacharya , Cong Ni , Jason Yeung , Jinchao Ye , Kai Yang , Akshat Malu , Manish Malik

Static benchmarks fail to capture LLM vulnerabilities emerging through community experimentation in online forums. We present PrompTrend, a system that collects vulnerability data across platforms and evaluates them using multidimensional…

Cryptography and Security · Computer Science 2025-07-28 Tarek Gasmi , Ramzi Guesmi , Mootez Aloui , Jihene Bennaceur

In this paper, we develop a novel logic-based approach to detecting high-level temporally extended events from timestamped data and background knowledge. Our framework employs logical rules to capture existence and termination conditions…

Artificial Intelligence · Computer Science 2026-04-24 Yvon K. Awuklu , Meghyn Bienvenu , Katsumi Inoue , Vianney Jouhet , Fleur Mougin

Event Detection, which aims to identify and classify mentions of event instances from unstructured articles, is an important task in Natural Language Processing (NLP). Existing techniques for event detection only use homogeneous one-hot…

Computation and Language · Computer Science 2022-11-03 Anran Hao , Siu Cheung Hui , Jian Su

Hierarchical latent tree analysis (HLTA) is recently proposed as a new method for topic detection. It differs fundamentally from the LDA-based methods in terms of topic definition, topic-document relationship, and learning method. It has…

Machine Learning · Computer Science 2015-08-06 Peixian Chen , Nevin L. Zhang , Leonard K. M. Poon , Zhourong Chen

A new data-driven method is proposed to detect events in the data streams from distribution-level phasor measurement units, a.k.a., micro-PMUs. The proposed method is developed by constructing unsupervised deep learning anomaly detection…

Systems and Control · Electrical Eng. & Systems 2021-02-02 Armin Aligholian , Alireza Shahsavari , Ed Cortez , Emma Stewart , Hamed Mohsenian-Rad

Large language models (LLMs) have transformed natural language processing, with frameworks like Chatbot Arena providing pioneering platforms for evaluating these models. By facilitating millions of pairwise comparisons based on human…

Machine Learning · Statistics 2025-06-02 Siavash Ameli , Siyuan Zhuang , Ion Stoica , Michael W. Mahoney

The rising demand for mental health care has fueled interest in AI-driven counseling systems. While large language models (LLMs) offer significant potential, current approaches face challenges, including limited understanding of clients'…

Computation and Language · Computer Science 2025-06-25 Zhiyang Qi , Keiko Takamizo , Mariko Ukiyo , Michimasa Inaba

In modern advanced emergency management systems many solutions for decision support have been provided as attempts to support humans to take important decisions for the critical situations recovery. The critical situation detection is a…

Computers and Society · Computer Science 2014-05-01 Massimiliano L. Itria , Alessandro Daidone , Andrea Ceccarelli

In the new global era, determining trends can play an important role in guiding researchers, scientists, and agencies. The main faced challenge is to track the emerging topics among the stacked publications. Therefore, any study done to…

Computational Engineering, Finance, and Science · Computer Science 2023-10-25 Sila Ovgu Korkut , Oznur Oztunc Kaymak , Aytug Onan , Erman Ulker , Femin Yalcin

Social platforms have emerged as crucial platforms for distributing information and discussing social events, offering researchers an excellent opportunity to design and implement novel event detection frameworks. Identifying unspecified…

Computation and Language · Computer Science 2025-06-12 Mohammadali Sefidi Esfahani , Mohammad Akbari

Dialogue benchmarks are crucial in training and evaluating chatbots engaging in domain-specific conversations. Knowledge graphs (KGs) represent semantically rich and well-organized data spanning various domains, such as DBLP, DBpedia, and…

Computation and Language · Computer Science 2025-01-20 Reham Omar , Omij Mangukiya , Essam Mansour

Retrieval-augmented Large Language Models (LLMs) offer substantial benefits in enhancing performance across knowledge-intensive scenarios. However, these methods often face challenges with complex inputs and encounter difficulties due to…

Computation and Language · Computer Science 2024-10-17 Haoyu Wang , Ruirui Li , Haoming Jiang , Jinjin Tian , Zhengyang Wang , Chen Luo , Xianfeng Tang , Monica Cheng , Tuo Zhao , Jing Gao

Models based on attention mechanisms have shown unprecedented speech recognition performance. However, they are computationally expensive and unnecessarily complex for keyword spotting, a task targeted to small-footprint devices. This work…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-02 Biel Tura , Santiago Escuder , Ferran Diego , Carlos Segura , Jordi Luque
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