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The detection and normalization of temporal expressions is an important task and preprocessing step for many applications. However, prior work on normalization is rule-based, which severely limits the applicability in real-world…

计算与语言 · 计算机科学 2023-02-13 Lukas Lange , Jannik Strötgen , Heike Adel , Dietrich Klakow

Recent research has revealed that neural language models at scale suffer from poor temporal generalization capability, i.e., the language model pre-trained on static data from past years performs worse over time on emerging data. Existing…

计算与语言 · 计算机科学 2022-11-01 Zhaochen Su , Zecheng Tang , Xinyan Guan , Juntao Li , Lijun Wu , Min Zhang

Temporal and numerical expression understanding is of great importance in many downstream Natural Language Processing (NLP) and Information Retrieval (IR) tasks. However, much previous work covers only a few sub-types and focuses only on…

计算与语言 · 计算机科学 2023-04-03 Sanxing Chen , Yongqiang Chen , Börje F. Karlsson

Temporal Expression Extraction (TEE) is essential for understanding time in natural language. It has applications in Natural Language Processing (NLP) tasks such as question answering, information retrieval, and causal inference. To date,…

计算与语言 · 计算机科学 2022-05-05 Yuwei Cao , William Groves , Tanay Kumar Saha , Joel R. Tetreault , Alex Jaimes , Hao Peng , Philip S. Yu

Time is implicitly embedded in classification process: classifiers are usually built on existing data while to be applied on future data whose distributions (e.g., label and token) may change. However, existing state-of-the-art…

计算与语言 · 计算机科学 2025-02-14 Weisi Liu , Guangzeng Han , Xiaolei Huang

Automatic annotation of temporal expressions is a research challenge of great interest in the field of information extraction. In this report, I describe a novel rule-based architecture, built on top of a pre-existing system, which is able…

计算与语言 · 计算机科学 2012-06-12 Michele Filannino

Temporal expression (TE) normalization is a well-studied problem. However, the predominately used rule-based systems are highly restricted to specific settings, and upcoming machine learning approaches suffer from a lack of labeled data. In…

计算与语言 · 计算机科学 2024-04-12 Akash Kumar Gautam , Lukas Lange , Jannik Strötgen

Pooling methods are necessities for modern neural networks for increasing receptive fields and lowering down computational costs. However, commonly used hand-crafted pooling approaches, e.g., max pooling and average pooling, may not well…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Lianyu Hu , Liqing Gao , Zekang Liu , Wei Feng

Data-driven models have demonstrated state-of-the-art performance in inferring the temporal ordering of events in text. However, these models often overlook explicit temporal signals, such as dates and time windows. Rule-based methods can…

计算与语言 · 计算机科学 2019-06-21 Tanya Goyal , Greg Durrett

Attention-based Neural Machine Translation (NMT) models suffer from attention deficiency issues as has been observed in recent research. We propose a novel mechanism to address some of these limitations and improve the NMT attention.…

计算与语言 · 计算机科学 2016-08-10 Baskaran Sankaran , Haitao Mi , Yaser Al-Onaizan , Abe Ittycheriah

Several training strategies and temporal models have been recently proposed for isolated word lip-reading in a series of independent works. However, the potential of combining the best strategies and investigating the impact of each of them…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Pingchuan Ma , Yujiang Wang , Stavros Petridis , Jie Shen , Maja Pantic

This paper describes a temporal expression identification and normalization system, ManTIME, developed for the TempEval-3 challenge. The identification phase combines the use of conditional random fields along with a post-processing…

计算与语言 · 计算机科学 2013-05-01 Michele Filannino , Gavin Brown , Goran Nenadic

Although temporal tagging is still dominated by rule-based systems, there have been recent attempts at neural temporal taggers. However, all of them focus on monolingual settings. In this paper, we explore multilingual methods for the…

计算与语言 · 计算机科学 2020-05-20 Lukas Lange , Anastasiia Iurshina , Heike Adel , Jannik Strötgen

Multi-modal language model has made advanced progress in vision and audio, but still faces significant challenges in dealing with complex reasoning tasks in the time series domain. The reasons are twofold. First, labels for multi-modal time…

机器学习 · 计算机科学 2025-03-10 Haochuan Zhang , Chunhua Yang , Jie Han , Liyang Qin , Xiaoli Wang

Large audio language models are increasingly used for complex audio understanding tasks, but they struggle with temporal tasks that require precise temporal grounding, such as word alignment and speaker diarization. The standard approach,…

机器学习 · 计算机科学 2026-02-12 Joesph An , Phillip Keung , Jiaqi Wang , Orevaoghene Ahia , Noah A. Smith

Pretrained language models based on the transformer architecture have shown great success in NLP. Textual training data often comes from the web and is thus tagged with time-specific information, but most language models ignore this…

计算与语言 · 计算机科学 2022-05-05 Guy D. Rosin , Kira Radinsky

Aligning language models (LMs) to human preferences has emerged as a critical pursuit, enabling these models to better serve diverse user needs. Existing methods primarily focus on optimizing LMs for a single reward function, limiting their…

机器学习 · 计算机科学 2024-10-29 Ruizhe Shi , Yifang Chen , Yushi Hu , Alisa Liu , Hannaneh Hajishirzi , Noah A. Smith , Simon S. Du

Representing continuous time is a critical and under-explored challenge in modeling temporal event sequences with large language models (LLMs). Various strategies like byte-level representations or calendar tokens have been proposed.…

计算与语言 · 计算机科学 2026-05-12 Zefang Liu , Nam H. Nguyen , Yinzhu Quan , Shi-Xiong Zhang

Time series analysis provides essential insights for real-world system dynamics and informs downstream decision-making, yet most existing methods often overlook the rich contextual signals present in auxiliary modalities. To bridge this…

机器学习 · 计算机科学 2026-03-24 Yushan Jiang , Wenchao Yu , Geon Lee , Dongjin Song , Kijung Shin , Wei Cheng , Yanchi Liu , Haifeng Chen

Natural language processing (NLP) tasks (e.g. question-answering in English) benefit from knowledge of other tasks (e.g. named entity recognition in English) and knowledge of other languages (e.g. question-answering in Spanish). Such shared…

计算与语言 · 计算机科学 2021-03-23 Ishan Tarunesh , Sushil Khyalia , Vishwajeet Kumar , Ganesh Ramakrishnan , Preethi Jyothi
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