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Current approaches to novelty or anomaly detection are based on deep neural networks. Despite their effectiveness, neural networks are also vulnerable to imperceptible deformations of the input data. This is a serious issue in critical…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Ranya Almohsen , Shivang Patel , Donald A. Adjeroh , Gianfranco Doretto

Scene text retrieval aims to localize and search all text instances from an image gallery, which are the same or similar to a given query text. Such a task is usually realized by matching a query text to the recognized words, outputted by…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Hao Wang , Xiang Bai , Mingkun Yang , Shenggao Zhu , Jing Wang , Wenyu Liu

In recent years, due to the booming development of online social networks, fake news for various commercial and political purposes has been appearing in large numbers and widespread in the online world. With deceptive words, online social…

Social and Information Networks · Computer Science 2019-08-13 Jiawei Zhang , Bowen Dong , Philip S. Yu

To improve the reading experience, many news sites organize news into topical collections, called stories. In this work, we present an approach for implementing real-time story identification for a news monitoring system that automatically…

Computation and Language · Computer Science 2025-08-13 Tadej Škvorc , Nikola Ivačič , Sebastjan Hribar , Marko Robnik-Šikonja

Streaming anomaly detection refers to the problem of detecting anomalous data samples in streams of data. This problem poses challenges that classical and deep anomaly detection methods are not designed to cope with, such as conceptual…

Machine Learning · Computer Science 2022-10-12 Joseph Gallego-Mejia , Oscar Bustos-Brinez , Fabio Gonzalez

The availability and interactive nature of social media have made them the primary source of news around the globe. The popularity of social media tempts criminals to pursue their immoral intentions by producing and disseminating fake news…

Multimedia · Computer Science 2021-12-29 Faeze Ghorbanpour , Maryam Ramezani , Mohammad A. Fazli , Hamid R. Rabiee

Term frequency normalization is a serious issue since lengths of documents are various. Generally, documents become long due to two different reasons - verbosity and multi-topicality. First, verbosity means that the same topic is repeatedly…

Information Retrieval · Computer Science 2015-02-10 Seung-Hoon Na , In-Su Kang , Jong-Hyeok Lee

Following a particular news story online is an important but difficult task, as the relevant information is often scattered across different domains/sources (e.g., news articles, blogs, comments, tweets), presented in various formats and…

Computation and Language · Computer Science 2018-08-20 Bichen Shi , Thanh-Binh Le , Neil Hurley , Georgiana Ifrim

The stability and persistence of web services are important to Internet companies to improve user experience and business performances. To keep eyes on numerous metrics and report abnormal situations, time series anomaly detection methods…

Applications · Statistics 2020-08-24 Tianwei Li , Yitong Geng , Huai Jiang

Scene text detection is a challenging problem in computer vision. In this paper, we propose a novel text detection network based on prevalent object detection frameworks. In order to obtain stronger semantic feature, we adopt ResNet as…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Xiangyu Zhu , Yingying Jiang , Shuli Yang , Xiaobing Wang , Wei Li , Pei Fu , Hua Wang , Zhenbo Luo

Stopping the malicious spread and production of false and misleading news has become a top priority for researchers. Due to this prevalence, many automated methods for detecting low quality information have been introduced. The majority of…

Social and Information Networks · Computer Science 2021-01-27 Maurício Gruppi , Benjamin D. Horne , Sibel Adalı

Generative conversational interfaces powered by large language models (LLMs) typically stream output token-by-token at a rate determined by computational budget, often neglecting actual human reading speeds and the cognitive load associated…

Human-Computer Interaction · Computer Science 2025-07-25 Chang Xiao , Brenda Yang

Text spotting, a task involving the extraction of textual information from image or video sequences, faces challenges in cross-domain adaption, such as image-to-image and image-to-video generalization. In this paper, we introduce a new…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Yuliang Liu , Mingxin Huang , Hao Yan , Linger Deng , Weijia Wu , Hao Lu , Chunhua Shen , Lianwen Jin , Xiang Bai

Prior to recent successes using neural networks, term frequency-inverse document frequency (tf-idf) was clearly regarded as the best choice for identifying documents related to a query. We provide a different score, aver, and observe, on a…

Information Retrieval · Computer Science 2025-11-10 Anthony Gamst , Lawrence Wilson

Recent research in novelty detection focuses mainly on document-level classification, employing deep neural networks (DNN). However, the black-box nature of DNNs makes it difficult to extract an exact explanation of why a document is…

Computation and Language · Computer Science 2021-05-12 Bimal Bhattarai , Ole-Christoffer Granmo , Lei Jiao

End-to-end text spotting has attached great attention recently due to its benefits on global optimization and high maintainability for real applications. However, the input scale has always been a tough trade-off since recognizing a small…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Ying Chen , Liang Qiao , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Xi Li

Identifying the most influential nodes in information networks has been the focus of many research studies. This problem has crucial applications in various contexts, such as controlling the propagation of viruses or rumours in real-world…

Social and Information Networks · Computer Science 2022-08-30 Ahmad Asgharian Rezaei , Justin Munoz , Mahdi Jalili , Hamid Khayyam

To follow the dynamicity of the user's content, researchers have recently started to model interactions between users and the Context-Aware Recommender Systems (CARS) as a bandit problem where the system needs to deal with exploration and…

Information Retrieval · Computer Science 2014-10-01 Djallel Bouneffouf

Diffusion models have garnered considerable interest in the field of text generation. Several studies have explored text diffusion models with different structures and applied them to various tasks, including named entity recognition and…

Computation and Language · Computer Science 2023-10-19 Renzhi Wang , Jing Li , Piji Li

With the rapid growth in the number of devices of the Internet of Things (IoT), the volume and types of stream data are rapidly increasing in the real world. Unfortunately, the stream data has the characteristics of infinite and periodic…

Performance · Computer Science 2022-12-13 Weirong Xiu , Baozhu Li , Xusheng Du , Zheng Chu