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Learning to associate audio with textual descriptions is valuable for a range of tasks, including pretraining, zero-shot classification, audio retrieval, audio captioning, and text-conditioned audio generation. Existing contrastive…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-13 Paul Primus , Florian Schmid , Gerhard Widmer

As a fundamental task in long-form video understanding, temporal action detection (TAD) aims to capture inherent temporal relations in untrimmed videos and identify candidate actions with precise boundaries. Over the years, various…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Shuming Liu , Lin Sui , Chen-Lin Zhang , Fangzhou Mu , Chen Zhao , Bernard Ghanem

Topic modeling is a widely used technique for uncovering thematic structures from large text corpora. However, most topic modeling approaches e.g. Latent Dirichlet Allocation (LDA) struggle to capture nuanced semantics and contextual…

Information Retrieval · Computer Science 2024-09-25 Satya Kapoor , Alex Gil , Sreyoshi Bhaduri , Anshul Mittal , Rutu Mulkar

We consider the certification of temporal quantum correlations using the pseudo-density matrix (PDM), an extension of the density matrix to the time domain, where negative eigenvalues are key indicators of temporal correlations.…

Quantum Physics · Physics 2025-04-25 Hongfeng Liu , Zhenhuan Liu , Shu Chen , Xinfang Nie , Xiangjing Liu , Dawei Lu

Reasoning about time is of fundamental importance. Many facts are time-dependent. For example, athletes change teams from time to time, and different government officials are elected periodically. Previous time-dependent question answering…

Computation and Language · Computer Science 2023-06-28 Qingyu Tan , Hwee Tou Ng , Lidong Bing

Temporal claims, often riddled with inaccuracies, are a significant challenge in the digital misinformation landscape. Fact-checking systems that can accurately verify such claims are crucial for combating misinformation. Current systems…

Computation and Language · Computer Science 2025-05-16 Anab Maulana Barik , Wynne Hsu , Mong Li Lee

Detecting partial deepfake speech is essential due to its potential for subtle misinformation. However, existing methods depend on costly frame-level annotations during training, limiting real-world scalability. Also, they focus on…

Sound · Computer Science 2025-07-28 Menglu Li , Xiao-Ping Zhang , Lian Zhao

Temporal reasoning is pivotal for Large Language Models (LLMs) to comprehend the real world. However, existing works neglect the real-world challenges for temporal reasoning: (1) intensive temporal information, (2) fast-changing event…

Artificial Intelligence · Computer Science 2025-10-09 Shaohang Wei , Wei Li , Feifan Song , Wen Luo , Tianyi Zhuang , Haochen Tan , Zhijiang Guo , Houfeng Wang

Automated text scoring (ATS) tasks, such as automated essay scoring and readability assessment, are important educational applications of natural language processing. Due to their interpretability of models and predictions, traditional…

Computation and Language · Computer Science 2021-04-09 Hitoshi Manabe , Masato Hagiwara

Finance-related news such as Bloomberg News, CNN Business and Forbes are valuable sources of real data for market screening systems. In news, an expert shares opinions beyond plain technical analyses that include context such as political,…

Computation and Language · Computer Science 2024-04-03 Silvia García-Méndez , Francisco de Arriba-Pérez , Ana Barros-Vila , Francisco J. González-Castaño

Time is an important aspect of documents and is used in a range of NLP and IR tasks. In this work, we investigate methods for incorporating temporal information during pre-training to further improve the performance on time-related tasks.…

Computation and Language · Computer Science 2023-04-28 Jiexin Wang , Adam Jatowt , Masatoshi Yoshikawa , Yi Cai

Real-Time DEVS (RT-DEVS) can model systems with quantitative temporal requirements. Ensuring that such models verify that kind of temporal properties requires to use something beyond simulation. In this work we use the model checker Uppaal…

Software Engineering · Computer Science 2025-04-09 Ariel González , Maximiliano Cristiá , Carlos Luna

In this paper we review the actor-based language, Timed Rebeca, with a focus on its formal semantics and formal verification techniques. Timed Rebeca can be used to model systems consisting of encapsulated components which communicate by…

Programming Languages · Computer Science 2023-09-15 Marjan Sirjani , Ehsan Khamespanah

Extracting temporal relations between events and time expressions has many applications such as constructing event timelines and time-related question answering. It is a challenging problem which requires syntactic and semantic information…

Computation and Language · Computer Science 2020-10-06 Hayley Ross , Jonathon Cai , Bonan Min

Time series data widely exist in real-world cyber-physical systems. Though analyzing and interpreting them contributes to significant values, e.g, disaster prediction and financial risk control, current workflows mainly rely on human data…

Machine Learning · Computer Science 2026-01-21 Xingjian Wu , Junkai Lu , Zhengyu Li , Xiangfei Qiu , Jilin Hu , Chenjuan Guo , Christian S. Jensen , Bin Yang

This paper offers a natural stochastic semantics of Networks of Priced Timed Automata (NPTA) based on races between components. The semantics provides the basis for satisfaction of probabilistic Weighted CTL properties (PWCTL),…

Software Engineering · Computer Science 2014-12-01 Alexandre David , Kim G. Larsen , Axel Legay , Marius Mikučionis , Danny Bøgsted Poulsen , Jonas van Vliet , Zheng Wang

This work proposes TimeChat, a time-sensitive multimodal large language model specifically designed for long video understanding. Our model incorporates two key architectural contributions: (1) a timestamp-aware frame encoder that binds…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Shuhuai Ren , Linli Yao , Shicheng Li , Xu Sun , Lu Hou

Detecting anomalies in time-varying multivariate data is crucial in various industries for the predictive maintenance of equipment. Numerous machine learning (ML) algorithms have been proposed to support automated anomaly identification.…

Human-Computer Interaction · Computer Science 2021-12-13 Dongyu Liu , Sarah Alnegheimish , Alexandra Zytek , Kalyan Veeramachaneni

Text offers intuitive access to information. This can, in particular, complement the density of numerical time series, thereby allowing improved interactions with time series models to enhance accessibility and decision-making. While the…

Machine Learning · Computer Science 2025-11-10 Felix Divo , Maurice Kraus , Anh Q. Nguyen , Hao Xue , Imran Razzak , Flora D. Salim , Kristian Kersting , Devendra Singh Dhami

Annotation graphs and annotation servers offer infrastructure to support the analysis of human language resources in the form of time-series data such as text, audio and video. This paper outlines areas of common need among empirical…

Computation and Language · Computer Science 2007-05-23 Christopher Cieri , Steven Bird