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In the field of action recognition, video clips are always treated as ordered frames for subsequent processing. To achieve spatio-temporal perception, existing approaches propose to embed adjacent temporal interaction in the convolutional…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Rongchang Li , Xiao-Jun Wu , Tianyang Xu

This paper proposes to cast end-to-end span-based SRL as a word-based graph parsing task. The major challenge is how to represent spans at the word level. Borrowing ideas from research on Chinese word segmentation and named entity…

Computation and Language · Computer Science 2022-09-19 Shilin Zhou , Qingrong Xia , Zhenghua Li , Yu Zhang , Yu Hong , Min Zhang

Facial action unit (AU) detection and facial expression (FE) recognition can be jointly viewed as affective facial behavior tasks, representing fine-grained muscular activations and coarse-grained holistic affective states, respectively.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jia Li , Yu Zhang , Yin Chen , Zhenzhen Hu , Yong Li , Richang Hong , Shiguang Shan , Meng Wang

In this paper, we propose an approach that spatially localizes the activities in a video frame where each person can perform multiple activities at the same time. Our approach takes the temporal scene context as well as the relations of the…

Computer Vision and Pattern Recognition · Computer Science 2021-01-22 Sovan Biswas , Yaser Souri , Juergen Gall

Visual Word Sense Disambiguation (VWSD) is a multi-modal task that aims to select, among a batch of candidate images, the one that best entails the target word's meaning within a limited context. In this paper, we propose a multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Zhuohao Yin , Xin Huang

This paper proposes a structure-aware driven scheduling graph modeling method to improve the accuracy and representation capability of anomaly identification in scheduling behaviors of complex systems. The method first designs a…

Machine Learning · Computer Science 2025-12-23 Ning Lyu , Junjie Jiang , Lu Chang , Chihui Shao , Feng Chen , Chong Zhang

Semaphores were introduced by Dijkstra as a tool for modeling concurrency in computer programs. In this paper we provide a formal definition of PV-programs, i.e. programs using semaphores, their state spaces and execution spaces. The main…

Algebraic Topology · Mathematics 2015-02-17 Krzysztof Ziemianski

Action models are semantic structures similar to Kripke models that represent a change in knowledge in an epistemic setting. Whereas the language of action model logic embeds the semantic structure of an action model directly within the…

Logic in Computer Science · Computer Science 2014-06-10 Tim French , James Hales , Edwin Tay

Modeling and Simulation (M&S) for system design and prototyping is practiced today both in the industry and academia. M&S are two different areas altogether and have specific objectives. However, most of the times these two separate areas…

Software Engineering · Computer Science 2024-07-12 José L. Risco-Martín , J. M. Cruz , Saurabh Mittal , Bernard P. Zeigler

Computer Use Agents (CUAs) translate natural-language instructions into Graphical User Interface (GUI) actions such as clicks, keystrokes, and scrolls by relying on a Vision-Language Model (VLM) to interpret screenshots and predict grounded…

Computation and Language · Computer Science 2026-03-16 Xunzhuo Liu , Bowei He , Xue Liu , Andy Luo , Haichen Zhang , Huamin Chen

Specialized computational units that perform small matrix multiplications as primitive operations are typically present in modern AI accelerators. However, these Matrix Multiplication Units (MMUs) are often underutilized for many…

Data Structures and Algorithms · Computer Science 2025-09-25 Aleksandros Sobczyk , Giuseppe Sorrentino , Anastasios Zouzias

A proper semantic representation for encoding side information is key to the success of zero-shot learning. In this paper, we explore two alternative semantic representations especially for zero-shot human action recognition: textual…

Computer Vision and Pattern Recognition · Computer Science 2017-06-29 Qian Wang , Ke Chen

This note clarifies the concept of syntax and semantics and their relationships. Today, a lot of confusion arises from the fact that the word "semantics" is used in different meanings. We discuss a general approach at defining semantics…

Software Engineering · Computer Science 2014-09-25 Bernhard Rumpe

We present algorithms for aligning components of Abstract Meaning Representation (AMR) graphs to spans in English sentences. We leverage unsupervised learning in combination with heuristics, taking the best of both worlds from previous AMR…

Computation and Language · Computer Science 2021-06-14 Austin Blodgett , Nathan Schneider

Although the Asset Administration Shell (AAS) standard provides a structured and machine-readable representation of industrial assets, their semantic comparability remains a major challenge, particularly when different vocabularies and…

Information Retrieval · Computer Science 2026-02-11 Ariana Metović , Nicolai Maisch , Samed Ajdinović , Armin Lechler , Andreas Wortmann , Oliver Riedel

Sensor data streams from wearable devices and smart environments are widely studied in areas like human activity recognition (HAR), person identification, or health monitoring. However, most of the previous works in activity and sensor…

Machine Learning · Computer Science 2023-08-09 Taoran Sheng , Manfred Huber

The ability to follow instructions is crucial for numerous real-world applications of language models. In pursuit of deeper insights and more powerful capabilities, we derive instruction-specific vector representations from language models…

Computation and Language · Computer Science 2025-04-15 Alessandro Stolfo , Vidhisha Balachandran , Safoora Yousefi , Eric Horvitz , Besmira Nushi

Predicting the next activity in an ongoing process is one of the most common classification tasks in the business process management (BPM) domain. It allows businesses to optimize resource allocation, enhance operational efficiency, and…

Artificial Intelligence · Computer Science 2024-03-15 Alon Oved , Segev Shlomov , Sergey Zeltyn , Nir Mashkif , Avi Yaeli

Procedural Multimodal Documents (PMDs) organize textual instructions and corresponding images step by step. Comprehending PMDs and inducing their representations for the downstream reasoning tasks is designated as Procedural MultiModal…

Computation and Language · Computer Science 2022-04-07 Huibin Zhang , Zhengkun Zhang , Yao Zhang , Jun Wang , Yufan Li , Ning jiang , Xin wei , Zhenglu Yang

Molecular dynamics simulation is a proven technique for computing and visualizing the time-resolved motion of macromolecules at atomic resolution. The MDsrv is a tool that streams MD trajectories and displays them interactively in web…