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Information Extraction (IE) is crucial for converting unstructured data into structured formats like Knowledge Graphs (KGs). A key task within IE is Relation Extraction (RE), which identifies relationships between entities in text. Various…

计算与语言 · 计算机科学 2024-06-25 Sefika Efeoglu , Adrian Paschke

Learning the user-item relevance hidden in implicit feedback data plays an important role in modern recommender systems. Neural sequential recommendation models, which formulates learning the user-item relevance as a sequential…

信息检索 · 计算机科学 2022-03-01 Jingwei Zhuo , Bin Liu , Xiang Li , Han Zhu , Xiaoqiang Zhu

Test-time scaling improves the reasoning performance of large language models but often results in token-inefficient overthinking, where models continue reasoning beyond what is necessary for a correct answer. Existing dynamic early-exit…

人工智能 · 计算机科学 2026-04-21 Jiakun Li , Xingwei He , Kefan Li , Hongzheng Chai , Hongyue Yu , Yuan Yuan

Distantly Supervised Relation Extraction (DSRE) remains a long-standing challenge in NLP, where models must learn from noisy bag-level annotations while making sentence-level predictions. While existing state-of-the-art (SoTA) DSRE models…

计算与语言 · 计算机科学 2025-10-22 Vipul Rathore , Malik Hammad Faisal , Parag Singla , Mausam

Real-world data, such as news articles, social media posts, and chatbot conversations, is inherently dynamic and non-stationary, presenting significant challenges for constructing real-time structured representations through knowledge…

计算与语言 · 计算机科学 2025-08-26 Sefika Efeoglu , Adrian Paschke , Sonja Schimmler

Deep learning systems often struggle with processing long sequences, where computational complexity can become a bottleneck. Current methods for automated dementia detection using speech frequently rely on static, time-agnostic features or…

声音 · 计算机科学 2025-10-02 Chukwuemeka Ugwu , Oluwafemi Oyeleke

Relation Extraction (RE), the task of detecting and characterizing semantic relations between entities in text, has gained much importance in the last two decades, mainly in the biomedical domain. Many papers have been published on Relation…

人工智能 · 计算机科学 2020-01-14 Rinaldo Lima , Bernard Espinasse , Fred Freitas

Target Sound Extraction (TSE) focuses on the problem of separating sources of interest, indicated by a user's cue, from the input mixture. Most existing solutions operate in an offline fashion and are not suited to the low-latency causal…

音频与语音处理 · 电气工程与系统科学 2024-03-22 Shrishail Baligar , Mikolaj Kegler , Bryce Irvin , Marko Stamenovic , Shawn Newsam

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

Automatic emotion recognition for real-life appli-cations is a challenging task. Human emotion expressions aresubtle, and can be conveyed by a combination of several emo-tions. In most existing emotion recognition studies, each…

声音 · 计算机科学 2022-03-08 Jay Desai , Houwei Cao , Ravi Shah

Extracting relations is critical for knowledge base completion and construction in which distant supervised methods are widely used to extract relational facts automatically with the existing knowledge bases. However, the automatically…

计算与语言 · 计算机科学 2018-11-09 Tianyi Liu , Xinsong Zhang , Wanhao Zhou , Weijia Jia

Developing dialogue relation extraction (DRE) systems often requires a large amount of labeled data, which can be costly and time-consuming to annotate. In order to improve scalability and support diverse, unseen relation extraction, this…

计算与语言 · 计算机科学 2023-06-13 Ze-Song Xu , Yun-Nung Chen

The main purpose of relation extraction is to extract the semantic relationships between tagged pairs of entities in a sentence, which plays an important role in the semantic understanding of sentences and the construction of knowledge…

计算与语言 · 计算机科学 2023-03-21 Chenghong Sun , Weidong Ji , Guohui Zhou , Hui Guo , Zengxiang Yin , Yuqi Yue

Relation Extraction (RE) is a fundamental task in Natural Language Processing, and its document-level variant poses significant challenges, due to complex interactions between entities across sentences. While supervised models have achieved…

计算与语言 · 计算机科学 2025-10-08 Robin Armingaud , Romaric Besançon

Understanding causal event relationships and achieving fine-grained temporal grounding in videos remain challenging for vision-language models. Existing methods either compress video tokens to reduce temporal resolution, or treat videos as…

This paper presents an empirical study to build relation extraction systems in low-resource settings. Based upon recent pre-trained language models, we comprehensively investigate three schemes to evaluate the performance in low-resource…

计算与语言 · 计算机科学 2023-09-19 Xin Xu , Xiang Chen , Ningyu Zhang , Xin Xie , Xi Chen , Huajun Chen

Forecasting rare events in multivariate time-series data is challenging due to severe class imbalance, long-range dependencies, and distributional uncertainty. We introduce EVEREST, a transformer-based architecture for probabilistic…

机器学习 · 计算机科学 2026-01-29 Antanas Zilinskas , Robert N. Shorten , Jakub Marecek

In this paper we propose a data intensive approach for inferring sentence-internal temporal relations. Temporal inference is relevant for practical NLP applications which either extract or synthesize temporal information (e.g.,…

计算与语言 · 计算机科学 2011-10-10 M. Lapata , A. Lascarides

Distantly supervised relation extraction intrinsically suffers from noisy labels due to the strong assumption of distant supervision. Most prior works adopt a selective attention mechanism over sentences in a bag to denoise from wrongly…

计算与语言 · 计算机科学 2019-11-28 Yang Li , Guodong Long , Tao Shen , Tianyi Zhou , Lina Yao , Huan Huo , Jing Jiang

In topic identification (topic ID) on real-world unstructured audio, an audio instance of variable topic shifts is first broken into sequential segments, and each segment is independently classified. We first present a general purpose…

计算与语言 · 计算机科学 2018-10-02 Chunxi Liu , Matthew Wiesner , Shinji Watanabe , Craig Harman , Jan Trmal , Najim Dehak , Sanjeev Khudanpur