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In modern IT systems and computer networks, real-time and offline event log analysis is a crucial part of cyber security monitoring. In particular, event log analysis techniques are essential for the timely detection of cyber attacks and…

密码学与安全 · 计算机科学 2025-04-15 Risto Vaarandi , Hayretdin Bahsi

The proliferation of online news poses a challenge to extracting structured timelines from unstructured content. While recent studies have shown that Large Language Models (LLMs) can assist Timeline Summarization (TLS), these approaches…

计算与语言 · 计算机科学 2026-05-14 Liancheng Zhang , Xiaoxi Li , Zhicheng Dou

Reasoning about time is essential for Large Language Models (LLMs) to understand the world. Previous works focus on solving specific tasks, primarily on time-sensitive question answering. While these methods have proven effective, they…

计算与语言 · 计算机科学 2024-08-20 Zhaochen Su , Jun Zhang , Tong Zhu , Xiaoye Qu , Juntao Li , Min Zhang , Yu Cheng

Large Language Models (LLMs) have emerged as powerful tools for generating coherent text, understanding context, and performing reasoning tasks. However, they struggle with temporal reasoning, which requires processing time-related…

机器学习 · 计算机科学 2025-06-02 Adrián Bazaga , Rexhina Blloshmi , Bill Byrne , Adrià de Gispert

Large language models (LLMs) are routinely pre-trained on billions of tokens, only to start the process over again once new data becomes available. A much more efficient solution is to continually pre-train these models, saving significant…

Modern language models operate on subword-tokenized text in order to make a trade-off between model size, inference speed, and vocabulary coverage. A side effect of this is that, during inference, models are evaluated by measuring the…

计算与语言 · 计算机科学 2025-10-24 David Pohl , Marco Cognetta , Junyoung Lee , Naoaki Okazaki

Token-based time series large language models (TS-LLMs) have emerged as a promising direction for time series analysis and reasoning. However, prior studies largely overlook the inherent continuity and ordinality of time series tokens,…

机器学习 · 计算机科学 2026-05-29 Musheng Li , Ziying Zhang , Cheng jin , Yuantao Gu

Recent work exploring the capabilities of pre-trained large language models (LLMs) has demonstrated their ability to act as general pattern machines by completing complex token sequences representing a wide array of tasks, including…

计算机与社会 · 计算机科学 2024-03-25 Seyed Parsa Neshaei , Richard Lee Davis , Adam Hazimeh , Bojan Lazarevski , Pierre Dillenbourg , Tanja Käser

Large language models (LLMs) achieve state-of-the-art accuracy on complex reasoning tasks by generating multiple chain-of-thought (CoT) traces, but using a fixed token budget per query leads to over-computation on easy inputs and…

人工智能 · 计算机科学 2026-02-03 Katrina Brown , Aneesh Muppidi , Rana Shahout

Linear temporal logic (LTL) is a specification language for finite sequences (called traces) widely used in program verification, motion planning in robotics, process mining, and many other areas. We consider the problem of learning LTL…

人工智能 · 计算机科学 2026-01-22 Ritam Raha , Rajarshi Roy , Nathanaël Fijalkow , Daniel Neider

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…

人工智能 · 计算机科学 2025-10-09 Shaohang Wei , Wei Li , Feifan Song , Wen Luo , Tianyi Zhuang , Haochen Tan , Zhijiang Guo , Houfeng Wang

Modern tokenizers employ deterministic algorithms to map text into a single "canonical" token sequence, yet the same string can be encoded as many non-canonical tokenizations using the tokenizer vocabulary. In this work, we investigate the…

计算与语言 · 计算机科学 2026-02-04 Brian Siyuan Zheng , Alisa Liu , Orevaoghene Ahia , Jonathan Hayase , Yejin Choi , Noah A. Smith

This research examines the use of Large Language Models (LLMs) in predicting time series, with a specific focus on the LLMTIME model. Despite the established effectiveness of LLMs in tasks such as text generation, language translation, and…

机器学习 · 计算机科学 2024-08-12 Rui Cao , Qiao Wang

Temporal point processes (TPPs) are crucial for analyzing events over time and are widely used in fields such as finance, healthcare, and social systems. These processes are particularly valuable for understanding how events unfold over…

人工智能 · 计算机科学 2026-01-06 Lili Chen , Wensheng Gan , Shuang Liang , Philip S. Yu

Recent advances in generative AI have been largely driven by large language models (LLMs), deep neural networks that operate over discrete units called tokens. To represent text, the vast majority of LLMs use words or word fragments as the…

We present a different approach to developing a concept of time for specifying temporality in the conceptual modeling of software and database systems. In the database field, various proposals and products address temporal data. The…

软件工程 · 计算机科学 2021-02-02 Sabah Al-Fedaghi

Modern language models rely on static vocabularies, fixed before pretraining, in contrast to the adaptive vocabulary acquisition observed in human language learning. To bridge this gap, we introduce vocabulary curriculum learning, an…

计算与语言 · 计算机科学 2025-02-26 Fangyuan Yu

Despite significant advances in Multimodal Large Language Models (MLLMs), understanding complex temporal dynamics in videos remains a major challenge. Our experiments show that current Video Large Language Model (Video-LLM) architectures…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Ali Rasekh , Erfan Bagheri Soula , Omid Daliran , Simon Gottschalk , Mohsen Fayyaz

There is a growing interest in utilizing large-scale language models (LLMs) to advance next-generation Recommender Systems (RecSys), driven by their outstanding language understanding and in-context learning capabilities. In this scenario,…

信息检索 · 计算机科学 2025-08-18 Haohao Qu , Wenqi Fan , Zihuai Zhao , Qing Li

Despite advances in general video understanding, Video Large Language Models (Video-LLMs) face challenges in precise temporal localization due to discrete time representations and limited temporally aware datasets. Existing methods for…

计算机视觉与模式识别 · 计算机科学 2025-08-01 Yingsen Zeng , Zepeng Huang , Yujie Zhong , Chengjian Feng , Jie Hu , Lin Ma , Yang Liu