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Most existing sensor-based monitoring frameworks presume that a large available labeled dataset is processed to train accurate detection models. However, in settings where personalization is necessary at deployment time to fine-tune the…

Machine Learning · Computer Science 2023-05-02 Ali Tazarv , Sina Labbaf , Amir Rahmani , Nikil Dutt , Marco Levorato

A vast amount of textual web streams is influenced by events or phenomena emerging in the real world. The social web forms an excellent modern paradigm, where unstructured user generated content is published on a regular basis and in most…

Machine Learning · Computer Science 2012-08-15 Vasileios Lampos

We introduce and we analyze a new dataset which resembles the input to biological vision systems much more than most previously published ones. Our analysis leaded to several important conclusions. First, it is possible to disambiguate over…

Computer Vision and Pattern Recognition · Computer Science 2013-04-29 Alessandro Perina , Nebojsa Jojic

There is a research field of human activity recognition that automatically recognizes a user's physical activity through sensing technology incorporated in smartphones and other devices. When sensing daily activity, various measurement…

Human-Computer Interaction · Computer Science 2021-01-05 Tatsuhito Hasegawa

The task of event detection involves identifying and categorizing event triggers. Contextual information has been shown effective on the task. However, existing methods which utilize contextual information only process the context once. We…

Computation and Language · Computer Science 2018-10-09 Shaobo Liu , Rui Cheng , Xiaoming Yu , Xueqi Cheng

Our world is shaped by events of various complexity. This includes both small-scale local events like local farmer markets and large complex events like political and military conflicts. The latter are typically not observed directly but…

Computation and Language · Computer Science 2024-04-26 Florian Plötzky , Niklas Kiehne , Wolf-Tilo Balke

Events of various kinds are mentioned and discussed in text documents, whether they are books, news articles, blogs or microblog feeds. The paper starts by giving an overview of how events are treated in linguistics and philosophy. We…

Computation and Language · Computer Science 2016-01-18 Jugal Kalita

Multi-modal visual understanding of images with prompts involves using various visual and textual cues to enhance the semantic understanding of images. This approach combines both vision and language processing to generate more accurate…

Computer Vision and Pattern Recognition · Computer Science 2023-05-17 Yuzhou Peng

Elicitation diary studies, a type of qualitative, longitudinal research method, involve participants to self-report aspects of events of interest at their occurrences as memory cues for providing details and insights during post-study…

Human-Computer Interaction · Computer Science 2024-05-01 Junze Li , Changyang He , Jiaxiong Hu , Boyang Jia , Alon Halevy , Xiaojuan Ma

This paper presents a method for indexing human ac- tivities in videos captured from a wearable camera being worn by patients, for studies of progression of the dementia diseases. Our method aims to produce indexes to facilitate the…

Rich and context-aware activity logs facilitate user behavior analysis and health monitoring, making them a key research focus in ubiquitous computing. The remarkable semantic understanding and generation capabilities of Large Language…

Artificial Intelligence · Computer Science 2025-07-21 Ye Tian , Xiaoyuan Ren , Zihao Wang , Onat Gungor , Xiaofan Yu , Tajana Rosing

Mobile phones are quickly becoming the primary source for social, behavioral, and environmental sensing and data collection. Today's smartphones are equipped with increasingly more sensors and accessible data types that enable the…

Social and Information Networks · Computer Science 2011-11-22 Yaniv Altshuler , Nadav Aharony , Michael Fire , Yuval Elovici , Alex Pentland

Publicly available data is increasing rapidly, and will continue to grow with the advancement of technologies in sensors, smartphones and the Internet of Things. Data from multiple sources can improve coverage and provide more relevant…

Information Retrieval · Computer Science 2020-03-06 Faizan Ur Rehman , Imad Afyouni , Ahmed Lbath , Saleh Basalamah

Both humans and machines learn the meaning of unknown words through contextual information in a sentence, but not all contexts are equally helpful for learning. We introduce an effective method for capturing the level of contextual…

Computation and Language · Computer Science 2023-11-10 Sungjin Nam , David Jurgens , Gwen Frishkoff , Kevyn Collins-Thompson

We study continual event extraction, which aims to extract incessantly emerging event information while avoiding forgetting. We observe that the semantic confusion on event types stems from the annotations of the same text being updated…

Computation and Language · Computer Science 2023-10-25 Zitao Wang , Xinyi Wang , Wei Hu

Event extraction is of practical utility in natural language processing. In the real world, it is a common phenomenon that multiple events existing in the same sentence, where extracting them are more difficult than extracting a single…

Computation and Language · Computer Science 2022-12-19 Xiao Liu , Zhunchen Luo , Heyan Huang

In recent years, the world has witnessed various primitives pertaining to the complexity of human behavior. Identifying an event in the presence of insufficient, incomplete, or tentative premises along with the constraints on resources such…

Artificial Intelligence · Computer Science 2021-03-22 Sarika Jain , Archana Patel

We developed a novel, interpretable multimodal classification method to identify symptoms of mood disorders viz. depression, anxiety and anhedonia using audio, video and text collected from a smartphone application. We used CNN-based…

Machine Learning · Computer Science 2021-09-08 Tathagata Banerjee , Matthew Kollada , Pablo Gersberg , Oscar Rodriguez , Jane Tiller , Andrew E Jaffe , John Reynders

Working memory involves the temporary retention of information over short periods. It is a critical cognitive function that enables humans to perform various online processing tasks, such as dialing a phone number, recalling misplaced…

Human-Computer Interaction · Computer Science 2025-04-29 Indrajeet Ghosh , Kasthuri Jayarajah , Nicholas Waytowich , Nirmalya Roy

Retrieving accurate semantic information in challenging high dynamic range (HDR) and high-speed conditions remains an open challenge for image-based algorithms due to severe image degradations. Event cameras promise to address these…

Computer Vision and Pattern Recognition · Computer Science 2022-08-03 Zhaoning Sun , Nico Messikommer , Daniel Gehrig , Davide Scaramuzza