中文
相关论文

相关论文: Learning low dimensional word based linear classif…

200 篇论文

We propose a lightly-supervised approach for information extraction, in particular named entity classification, which combines the benefits of traditional bootstrapping, i.e., use of limited annotations and interpretability of extraction…

计算与语言 · 计算机科学 2018-05-30 Marco A. Valenzuela-Escárcega , Ajay Nagesh , Mihai Surdeanu

Modern data sets, such as those in healthcare and e-commerce, are often derived from many individuals or systems but have insufficient data from each source alone to separately estimate individual, often high-dimensional, model parameters.…

机器学习 · 计算机科学 2024-11-14 Maryann Rui , Thibaut Horel , Munther Dahleh

Generalized Category Discovery (GCD) tackles the challenging problem of categorizing unlabeled images into both known and novel classes within a partially labeled dataset, without prior knowledge of the number of unknown categories.…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Mingfu Yan , Jiancheng Huang , Yifan Liu , Shifeng Chen

We present a novel online algorithm that learns the essence of each dimension in word embeddings by minimizing the within-group distance of contextualized embedding groups. Three state-of-the-art neural-based language models are used,…

计算与语言 · 计算机科学 2020-05-26 Xinyi Jiang , Zhengzhe Yang , Jinho D. Choi

Citation sentimet analysis is one of the little studied tasks for scientometric analysis. For citation analysis, we developed eight datasets comprising citation sentences, which are manually annotated by us into three sentiment polarities…

计算与语言 · 计算机科学 2020-05-12 Vishal Vyas , Kumar Ravi , Vadlamani Ravi , V. Uma , Srirangaraj Setlur , Venu Govindaraju

High-dimensional, heterogeneous data with complex feature interactions pose significant challenges for traditional predictive modeling approaches. While Projection to Latent Structures (PLS) remains a popular technique, it struggles to…

机器学习 · 计算机科学 2025-10-21 Farwa Abbas , Hussain Ahmad , Claudia Szabo

Compressed Deep Learning (DL) models are essential for deployment in resource-constrained environments. But their performance often lags behind their large-scale counterparts. To bridge this gap, we propose Alignment Adapter (AlAd): a…

机器学习 · 计算机科学 2026-02-17 Rohit Raj Rai , Abhishek Dhaka , Amit Awekar

In this work, we leverage the linear algebraic structure of distributed word representations to automatically extend knowledge bases and allow a machine to learn new facts about the world. Our goal is to extract structured facts from…

计算与语言 · 计算机科学 2015-11-24 Lisa Seung-Yeon Lee

Few-shot text classification aims to classify the text under the few-shot scenario. Most of the previous methods adopt optimization-based meta learning to obtain task distribution. However, due to the neglect of matching between the few…

计算与语言 · 计算机科学 2023-07-31 Tianyi Lei , Honghui Hu , Qiaoyang Luo , Dezhong Peng , Xu Wang

Sentiment analysis plays a crucial role in various domains, such as business intelligence and financial forecasting. Large language models (LLMs) have become a popular paradigm for sentiment analysis, leveraging multi-task learning to…

计算与语言 · 计算机科学 2025-06-30 Hongcheng Ding , Xuanze Zhao , Ruiting Deng , Shamsul Nahar Abdullah , Deshinta Arrova Dewi , Zixiao Jiang

We propose the Bayesian adaptive Lasso (BaLasso) for variable selection and coefficient estimation in linear regression. The BaLasso is adaptive to the signal level by adopting different shrinkage for different coefficients. Furthermore, we…

统计方法学 · 统计学 2010-09-14 Chenlei Leng , Minh Ngoc Tran , David Nott

Multimodal dialogue emotion recognition captures emotional cues by fusing text, visual, and audio modalities. However, existing approaches still suffer from notable limitations in modeling emotional dependencies and learning multimodal…

多媒体 · 计算机科学 2026-03-12 Yunsheng Wang , Yuntao Shou , Yilong Tan , Wei Ai , Tao Meng , Keqin Li

Diffusion Language Models (DLMs) promise parallel generation and bidirectional context, yet they underperform autoregressive (AR) models in both likelihood modeling and generated text quality. We identify that this performance gap arises…

计算与语言 · 计算机科学 2025-05-27 Litu Rout , Constantine Caramanis , Sanjay Shakkottai

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

Adaptive gradient methods have become popular in optimizing deep neural networks; recent examples include AdaGrad and Adam. Although Adam usually converges faster, variations of Adam, for instance, the AdaBelief algorithm, have been…

机器学习 · 计算机科学 2024-10-29 Kushal Chakrabarti , Nikhil Chopra

Aspect-based sentiment analysis (ABSA) is a fine-grained sentiment analysis task which aims to extract the aspects from sentences and identify their corresponding sentiments. Aspect term extraction (ATE) is the crucial step for ABSA. Due to…

计算与语言 · 计算机科学 2022-02-01 Xiang Chen , Xiaojun Wan

Aspect-based sentiment analysis (ABSA) tries to predict the polarity of a given document with respect to a given aspect entity. While neural network architectures have been successful in predicting the overall polarity of sentences,…

计算与语言 · 计算机科学 2017-12-18 Yi Tay , Anh Tuan Luu , Siu Cheung Hui

Open-vocabulary semantic segmentation is a challenging task that requires segmenting novel object categories at inference time. Recent studies have explored vision-language pre-training to handle this task, but suffer from unrealistic…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Chaofan Ma , Yuhuan Yang , Chen Ju , Fei Zhang , Ya Zhang , Yanfeng Wang

Fine-tuning large language models (LLMs) with low-rank adaptation (LoRA) is a cost-effective way to incorporate information from a specific dataset. However, when a problem requires incorporating information from multiple datasets - as in…

机器学习 · 计算机科学 2026-04-03 Liyi Zhang , Jake Snell , Thomas L. Griffiths

Cross-lingual aspect-based sentiment analysis (ABSA) involves detailed sentiment analysis in a target language by transferring knowledge from a source language with available annotated data. Most existing methods depend heavily on often…

计算与语言 · 计算机科学 2025-08-14 Jakub Šmíd , Pavel Přibáň , Pavel Král