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This paper proposes an active learning system for sound event detection (SED). It aims at maximizing the accuracy of a learned SED model with limited annotation effort. The proposed system analyzes an initially unlabeled audio dataset, from…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-10 Shuyang Zhao , Toni Heittola , Tuomas Virtanen

Exploring new knowledge is a fundamental human ability that can be mirrored in the development of deep neural networks, especially in the field of object detection. Open world object detection (OWOD) is an emerging area of research that…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yiming Li , Yi Wang , Wenqian Wang , Dan Lin , Bingbing Li , Kim-Hui Yap

We consider the problem of Recognizing Textual Entailment within an Information Retrieval context, where we must simultaneously determine the relevancy as well as degree of entailment for individual pieces of evidence to determine a yes/no…

Computation and Language · Computer Science 2016-06-24 Petr Baudis , Silvestr Stanko , Jan Sedivy

Automating ontology construction and curation is an important but challenging task in knowledge engineering and artificial intelligence. Prediction by machine learning techniques such as contextual semantic embedding is a promising…

Artificial Intelligence · Computer Science 2023-03-21 Jiaoyan Chen , Yuan He , Yuxia Geng , Ernesto Jimenez-Ruiz , Hang Dong , Ian Horrocks

The embedding-based retrieval (EBR) approach is widely used in mainstream search engine retrieval systems and is crucial in recent retrieval-augmented methods for eliminating LLM illusions. However, existing EBR models often face the…

Computation and Language · Computer Science 2024-04-10 Yanan Zhang , Xiaoling Bai , Tianhua Zhou

Accurately interpreting words is vital in political science text analysis; some tasks require assuming semantic stability, while others aim to trace semantic shifts. Traditional static embeddings, like Word2Vec effectively capture long-term…

Computation and Language · Computer Science 2025-01-22 Ruiyu Zhang , Lin Nie , Ce Zhao , Qingyang Chen

Event Extraction (EE) is one of the essential tasks in information extraction, which aims to detect event mentions from text and find the corresponding argument roles. The EE task can be abstracted as a process of matching the semantic…

Computation and Language · Computer Science 2023-06-07 Haochen Li , Tianhao Gao , Jingkun Wang , Weiping Li

Detecting and tracking emerging trends and weak signals in large, evolving text corpora is vital for applications such as monitoring scientific literature, managing brand reputation, surveilling critical infrastructure and more generally to…

Computation and Language · Computer Science 2024-11-22 Allaa Boutaleb , Jerome Picault , Guillaume Grosjean

In a typical sound event detection (SED) system, the existence of a sound event is detected at a frame level, and consecutive frames with the same event detected are combined as one sound event. The median filter is applied as a…

Sound · Computer Science 2024-03-21 Tao Song

Social media like Twitter provide a common platform to share and communicate personal experiences with other people. People often post their life experiences, local news, and events on social media to inform others. Many rescue agencies…

Computation and Language · Computer Science 2021-08-25 Ashis Kumar Chanda

Sound Event Detection (SED) detects regions of sound events, while Speaker Diarization (SD) segments speech conversations attributed to individual speakers. In SED, all speaker segments are classified as a single speech event, while in SD,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-16 Yidi Jiang , Ruijie Tao , Wen Huang , Qian Chen , Wen Wang

Generic Event Boundary Detection (GEBD) aims to interpret long-form videos through the lens of human perception. However, current GEBD methods require processing complete video frames to make predictions, unlike humans processing data…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Hyungrok Jung , Daneul Kim , Seunggyun Lim , Jeany Son , Jonghyun Choi

Text anomaly detection is crucial for identifying spam, misinformation, and offensive language in natural language processing tasks. Despite the growing adoption of embedding-based methods, their effectiveness and generalizability across…

Computation and Language · Computer Science 2025-05-26 Yang Cao , Sikun Yang , Chen Li , Haolong Xiang , Lianyong Qi , Bo Liu , Rongsheng Li , Ming Liu

With the starting point that implicit human biases are reflected in the statistical regularities of language, it is possible to measure biases in English static word embeddings. State-of-the-art neural language models generate dynamic word…

Computers and Society · Computer Science 2021-05-20 Wei Guo , Aylin Caliskan

The goal of automatic sound event detection (SED) methods is to recognize what is happening in an audio signal and when it is happening. In practice, the goal is to recognize at what temporal instances different sounds are active within an…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-13 Annamaria Mesaros , Toni Heittola , Tuomas Virtanen , Mark D. Plumbley

Detecting important events in high volume news streams is an important task for a variety of purposes.The volume and rate of online news increases the need for automated event detection methods thatcan operate in real time. In this paper we…

Social and Information Networks · Computer Science 2020-05-29 Iraklis Moutidis , Hywel T. P. Williams

Biomedical events describe complex interactions between various biomedical entities. Event trigger is a word or a phrase which typically signifies the occurrence of an event. Event trigger identification is an important first step in all…

Computation and Language · Computer Science 2017-05-29 Patchigolla V S S Rahul , Sunil Kumar Sahu , Ashish Anand

Event detection (ED), aiming to detect events from texts and categorize them, is vital to understanding actual happenings in real life. However, mainstream event detection models require high-quality expert human annotations of triggers,…

Computation and Language · Computer Science 2022-08-23 Jiachen Zhao , Haiqin Yang

Identifying the salience (i.e. importance) of discourse units is an important task in language understanding. While events play important roles in text documents, little research exists on analyzing their saliency status. This paper…

Computation and Language · Computer Science 2018-09-10 Zhengzhong Liu , Chenyan Xiong , Teruko Mitamura , Eduard Hovy

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