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Acronyms are abbreviated units of a phrase constructed by using initial components of the phrase in a text. Automatic extraction of acronyms from a text can help various Natural Language Processing tasks like machine translation,…

计算与语言 · 计算机科学 2022-01-11 Prashant Sharma , Hadeel Saadany , Leonardo Zilio , Diptesh Kanojia , Constantin Orăsan

Sarcasm detection is a crucial yet challenging Natural Language Processing task. Existing Large Language Model methods are often limited by single-perspective analysis, static reasoning pathways, and a susceptibility to hallucination when…

计算与语言 · 计算机科学 2026-03-05 Ziqi Liu , Ziyang Zhou , Yilin Li , Mingxuan Hu , Yushan Pan , Zhijie Xu , Yangbin Chen

Automatic ICD coding, the task of assigning disease and procedure codes to electronic medical records, is crucial for clinical documentation and billing. While existing methods primarily enhance model understanding of code hierarchies and…

计算与语言 · 计算机科学 2025-11-11 Tuan-Dung Le , Shohreh Haddadan , Thanh Q. Thieu

Large language models (LLMs) exhibit complementary strengths arising from differences in pretraining data, model architectures, and decoding behaviors. Inference-time ensembling provides a practical way to combine these capabilities without…

计算与语言 · 计算机科学 2026-01-12 Chengming Cui , Tianxin Wei , Ziyi Chen , Ruizhong Qiu , Zhichen Zeng , Zhining Liu , Xuying Ning , Duo Zhou , Jingrui He

Large Language Models (LLMs) excel in language tasks but are prone to hallucinations and outdated knowledge. Retrieval-Augmented Generation (RAG) mitigates these by grounding LLMs in external knowledge. However, in complex domains involving…

计算与语言 · 计算机科学 2025-08-28 Peiran Zhou , Junnan Zhu , Yichen Shen , Ruoxi Yu

Large-scale diffusion neural networks represent a substantial milestone in text-to-image generation, but they remain poorly understood, lacking interpretability analyses. In this paper, we perform a text-image attribution analysis on Stable…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Raphael Tang , Linqing Liu , Akshat Pandey , Zhiying Jiang , Gefei Yang , Karun Kumar , Pontus Stenetorp , Jimmy Lin , Ferhan Ture

Conventional Unsupervised Domain Adaptation (UDA) strives to minimize distribution discrepancy between domains, which neglects to harness rich semantics from data and struggles to handle complex domain shifts. A promising technique is to…

人工智能 · 计算机科学 2024-03-06 Zhekai Du , Xinyao Li , Fengling Li , Ke Lu , Lei Zhu , Jingjing Li

Dictionary learning aims at seeking a dictionary under which the training data can be sparsely represented. Methods in the literature typically formulate the dictionary learning problem as an optimization w.r.t. two variables, i.e.,…

信号处理 · 电气工程与系统科学 2021-10-27 Cheng Cheng , Wei Dai

Distant Supervised Relation Extraction (DSRE) is usually formulated as a problem of classifying a bag of sentences that contain two query entities, into the predefined relation classes. Most existing methods consider those relation classes…

计算与语言 · 计算机科学 2019-12-16 Yanjie Gou , Yinjie Lei , Lingqiao Liu , Pingping Zhang , Xi Peng

Data collection and annotation are time-consuming in machine learning, expecially for large scale problem. A common approach for this problem is to transfer knowledge from a related labeled domain to a target one. There are two popular ways…

机器学习 · 计算机科学 2020-07-09 Jiawei Wang , Zhaoshui He , Chengjian Feng , Zhouping Zhu , Qinzhuang Lin , Jun Lv , Shengli Xie

Retrieval-augmented generation (RAG) enhances large language models (LLMs) with external knowledge but incurs significant inference costs due to lengthy retrieved contexts. While context compression mitigates this issue, existing methods…

计算与语言 · 计算机科学 2025-09-25 Shuyu Guo , Shuo Zhang , Zhaochun Ren

This paper presents a method to combine a set of unsupervised algorithms that can accurately disambiguate word senses in a large, completely untagged corpus. Although most of the techniques for word sense resolution have been presented as…

cmp-lg · 计算机科学 2008-02-03 German Rigau , Jordi Atserias , Eneko Agirre

In this technical report, we describe our submission to DCASE2024 Challenge Task6 (Automated Audio Captioning) and Task8 (Language-based Audio Retrieval). We develop our approach building upon the EnCLAP audio captioning framework and…

音频与语音处理 · 电气工程与系统科学 2024-09-04 Jaeyeon Kim , Jaeyoon Jung , Minjeong Jeon , Sang Hoon Woo , Jinjoo Lee

Comprehending natural language and following human instructions are critical capabilities for intelligent agents. However, the flexibility of linguistic instructions induces substantial ambiguity across language-conditioned tasks, severely…

人工智能 · 计算机科学 2025-10-24 Runpeng Xie , Quanwei Wang , Hao Hu , Zherui Zhou , Ni Mu , Xiyun Li , Yiqin Yang , Shuang Xu , Qianchuan Zhao , Bo XU

Automated audio captioning (AAC) is an audio-to-text task to describe audio contents in natural language. Recently, the advancements in large language models (LLMs), with improvements in training approaches for audio encoders, have opened…

声音 · 计算机科学 2024-06-26 Jizhong Liu , Gang Li , Junbo Zhang , Heinrich Dinkel , Yongqing Wang , Zhiyong Yan , Yujun Wang , Bin Wang

Large language models (LLMs) exhibit remarkable capabilities, yet their reasoning remains opaque, raising safety and trust concerns. Attribution methods, which assign credit to input features, have proven effective for explaining the…

人工智能 · 计算机科学 2025-12-18 Chase Walker , Rickard Ewetz

Text-to-image synthesis refers to generating an image from a given text description, the key goal of which lies in photo realism and semantic consistency. Previous methods usually generate an initial image with sentence embedding and then…

计算机视觉与模式识别 · 计算机科学 2021-08-30 Shulan Ruan , Yong Zhang , Kun Zhang , Yanbo Fan , Fan Tang , Qi Liu , Enhong Chen

We present DeRAGEC, a method for improving Named Entity (NE) correction in Automatic Speech Recognition (ASR) systems. By extending the Retrieval-Augmented Generative Error Correction (RAGEC) framework, DeRAGEC employs synthetic denoising…

计算与语言 · 计算机科学 2025-06-10 Solee Im , Wonjun Lee , Jinmyeong An , Yunsu Kim , Jungseul Ok , Gary Geunbae Lee

Evaluating the quality and variability of text generated by Large Language Models (LLMs) poses a significant, yet unresolved research challenge. Traditional evaluation methods, such as ROUGE and BERTScore, which measure token similarity,…

计算与语言 · 计算机科学 2024-01-05 Wendi Cui , Jiaxin Zhang , Zhuohang Li , Lopez Damien , Kamalika Das , Bradley Malin , Sricharan Kumar

When using large language models (LLMs) in knowledge-intensive tasks, such as open-domain question answering, external context can bridge the gap between external knowledge and the LLMs' parametric knowledge. Recent research has been…

计算与语言 · 计算机科学 2024-10-08 Youna Kim , Hyuhng Joon Kim , Cheonbok Park , Choonghyun Park , Hyunsoo Cho , Junyeob Kim , Kang Min Yoo , Sang-goo Lee , Taeuk Kim