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Related papers: How to detect novelty in textual data streams? A c…

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Detecting novelty of an entire document is an Artificial Intelligence (AI) frontier problem that has widespread NLP applications, such as extractive document summarization, tracking development of news events, predicting impact of scholarly…

Computation and Language · Computer Science 2018-02-21 Tirthankar Ghosal , Amitra Salam , Swati Tiwari , Asif Ekbal , Pushpak Bhattacharyya

State-of-the-art natural language processing models have been shown to achieve remarkable performance in 'closed-world' settings where all the labels in the evaluation set are known at training time. However, in real-world settings, 'novel'…

Computation and Language · Computer Science 2023-05-10 Neeraj Varshney , Himanshu Gupta , Eric Robertson , Bing Liu , Chitta Baral

Novelty detection in text streams is a challenging task that emerges in quite a few different scenarios, ranging from email thread filtering to RSS news feed recommendation on a smartphone. An efficient novelty detection algorithm can save…

Information Retrieval · Computer Science 2014-11-11 Margarita Karkali , Francois Rousseau , Alexandros Ntoulas , Michalis Vazirgiannis

The rapid expansion of online content has intensified the issue of information redundancy, underscoring the need for solutions that can identify genuinely new information. Despite this challenge, the research community has seen a decline in…

Computation and Language · Computer Science 2024-09-19 Lin Ai , Ziwei Gong , Harshsaiprasad Deshpande , Alexander Johnson , Emmy Phung , Ahmad Emami , Julia Hirschberg

Novelty detection in news events has long been a difficult problem. A number of models performed well on specific data streams but certain issues are far from being solved, particularly in large data streams from the WWW where…

Information Retrieval · Computer Science 2017-06-06 Xinyu Fu , Eugene Ch'ng , Uwe Aickelin , Lanyun Zhang

The accelerating pace of scientific publication makes it difficult to identify truly original research among incremental work. We propose a framework for estimating the conceptual novelty of research papers by combining semantic…

Machine Learning · Computer Science 2026-01-06 Zhengxu Yan , Han Li , Yuming Feng

Annotated data is an essential ingredient in natural language processing for training and evaluating machine learning models. It is therefore very desirable for the annotations to be of high quality. Recent work, however, has shown that…

Computation and Language · Computer Science 2022-09-27 Jan-Christoph Klie , Bonnie Webber , Iryna Gurevych

The identification of anomalies in temporal data is a core component of numerous research areas such as intrusion detection, fault prevention, genomics and fraud detection. This article provides an experimental comparison of the novelty…

Machine Learning · Computer Science 2019-12-02 Rémi Domingues , Pietro Michiardi , Jérémie Barlet , Maurizio Filippone

Sentence level novelty detection aims at reducing redundant sentences from a sentence list. In the task, sentences appearing later in the list with no new meanings are eliminated. Aiming at a better accuracy for detecting redundancy, this…

Information Retrieval · Computer Science 2007-05-23 Le Zhao , Min Zhang , Shaoping Ma

As text generated by large language models proliferates, it becomes vital to understand how humans engage with such text, and whether or not they are able to detect when the text they are reading did not originate with a human writer. Prior…

Computation and Language · Computer Science 2022-12-27 Liam Dugan , Daphne Ippolito , Arun Kirubarajan , Sherry Shi , Chris Callison-Burch

High-quality datasets are essential for training robust perception systems in autonomous driving. However, real-world data collection is often biased toward common scenes and objects, leaving novel cases underrepresented. This imbalance…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Philipp Reis , Joshua Ransiek , David Petri , Jacob Langner , Eric Sax

Novelty detection is a critical task in various engineering fields. Numerous approaches to novelty detection rely on supervised or semi-supervised learning, which requires labelled datasets for training. However, acquiring labelled data,…

Machine Learning · Computer Science 2024-09-12 Ariel Priarone , Umberto Albertin , Carlo Cena , Mauro Martini , Marcello Chiaberge

A common assumption of novelty detection is that the distribution of both "normal" and "novel" data are static. This, however, is often not the case - for example scenarios where data evolves over time or scenarios in which the definition…

Machine Learning · Computer Science 2020-12-08 Ellen Rushe , Brian Mac Namee

Novelty evaluation is vital for the promotion and management of innovation. With the advancement of information techniques and the open data movement, some progress has been made in novelty measurements. Tracking and reviewing novelty…

Digital Libraries · Computer Science 2025-01-30 Yi Zhao , Chengzhi Zhang

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

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

Novelty detection is the unsupervised problem of identifying anomalies in test data which significantly differ from the training set. Novelty detection is one of the classic challenges in Machine Learning and a core component of several…

Machine Learning · Computer Science 2019-03-06 Rémi Domingues

Novelty detection is a process for distinguishing the observations that differ in some respect from the observations that the model is trained on. Novelty detection is one of the fundamental requirements of a good classification or…

Computer Vision and Pattern Recognition · Computer Science 2019-04-10 Mahdyar Ravanbakhsh

We present a new machine learning and text information extraction approach to detection of cyber threat events in Twitter that are novel (previously non-extant) and developing (marked by significance with respect to similarity with a…

Information Retrieval · Computer Science 2019-07-19 Avishek Bose , Vahid Behzadan , Carlos Aguirre , William H. Hsu

Text summarization models are approaching human levels of fidelity. Existing benchmarking corpora provide concordant pairs of full and abridged versions of Web, news or, professional content. To date, all summarization datasets operate…

Computation and Language · Computer Science 2022-06-01 Seyed Ali Bahrainian , Sheridan Feucht , Carsten Eickhoff
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