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The Contrastive Language-Image Pre-training (CLIP) framework has become a widely used approach for multimodal representation learning, particularly in image-text retrieval and clustering. However, its efficacy is constrained by three key…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Tiancheng Gu , Kaicheng Yang , Ziyong Feng , Xingjun Wang , Yanzhao Zhang , Dingkun Long , Yingda Chen , Weidong Cai , Jiankang Deng

Recent studies have shown that code language models at scale demonstrate significant performance gains on downstream tasks, i.e., code generation. However, most of the existing works on code representation learning train models at a hundred…

计算与语言 · 计算机科学 2024-02-06 Dejiao Zhang , Wasi Ahmad , Ming Tan , Hantian Ding , Ramesh Nallapati , Dan Roth , Xiaofei Ma , Bing Xiang

Contrastive learning has become a popular approach in natural language processing, particularly for the learning of sentence embeddings. However, the discrete nature of natural language makes it difficult to ensure the quality of positive…

计算与语言 · 计算机科学 2023-05-23 Qinyuan Cheng , Xiaogui Yang , Tianxiang Sun , Linyang Li , Xipeng Qiu

Objective To solve major clinical natural language processing (NLP) tasks using a unified text-to-text learning architecture based on a generative large language model (LLM) via prompt tuning. Methods We formulated 7 key clinical NLP tasks…

计算与语言 · 计算机科学 2023-12-12 Cheng Peng , Xi Yang , Aokun Chen , Zehao Yu , Kaleb E Smith , Anthony B Costa , Mona G Flores , Jiang Bian , Yonghui Wu

Contrastive learning is a paradigm for learning representations from unlabelled data that has been highly successful for image and text data. Several recent works have examined contrastive losses to claim that contrastive models effectively…

机器学习 · 计算机科学 2024-03-14 Gautham Govind Anil , Pascal Esser , Debarghya Ghoshdastidar

We investigate node representation learning on text-attributed graphs (TAGs), where nodes are associated with text information. Although recent studies on graph neural networks (GNNs) and pretrained language models (PLMs) have exhibited…

信息检索 · 计算机科学 2024-04-22 Peiyan Zhang , Chaozhuo Li , Liying Kang , Feiran Huang , Senzhang Wang , Xing Xie , Sunghun Kim

Large language models (LLMs) tend to inadequately integrate input context during text generation, relying excessively on encoded prior knowledge in model parameters, potentially resulting in generated text with factual inconsistencies or…

计算与语言 · 计算机科学 2024-05-07 Zheng Zhao , Emilio Monti , Jens Lehmann , Haytham Assem

Large Language Models (LLMs) have ushered in a new wave of artificial intelligence advancements impacting every scientific field and discipline. We live in a world where most of the data around us, e.g., text, audio, and music, has a…

信号处理 · 电气工程与系统科学 2025-02-11 Prateek Verma

Word embeddings are a powerful approach for analyzing language and have been widely popular in numerous tasks in information retrieval and text mining. Training embeddings over huge corpora is computationally expensive because the input is…

机器学习 · 计算机科学 2018-12-11 Avishek Anand , Megha Khosla , Jaspreet Singh , Jan-Hendrik Zab , Zijian Zhang

Due to high data demands of current methods, attention to zero-shot cross-lingual spoken language understanding (SLU) has grown, as such approaches greatly reduce human annotation effort. However, existing models solely rely on shared…

计算与语言 · 计算机科学 2022-04-19 Libo Qin , Qiguang Chen , Tianbao Xie , Qixin Li , Jian-Guang Lou , Wanxiang Che , Min-Yen Kan

In the Text-to-speech(TTS) task, the latent diffusion model has excellent fidelity and generalization, but its expensive resource consumption and slow inference speed have always been a challenging. This paper proposes Discrete Diffusion…

声音 · 计算机科学 2023-09-14 Zhichao Wu , Qiulin Li , Sixing Liu , Qun Yang

Pre-trained embeddings such as word embeddings and sentence embeddings are fundamental tools facilitating a wide range of downstream NLP tasks. In this work, we investigate how to learn a general-purpose embedding of textual relations,…

计算与语言 · 计算机科学 2019-06-04 Zhiyu Chen , Hanwen Zha , Honglei Liu , Wenhu Chen , Xifeng Yan , Yu Su

Due to the complex layouts of documents, it is challenging to extract information for documents. Most previous studies develop multimodal pre-trained models in a self-supervised way. In this paper, we focus on the embedding learning of word…

计算与语言 · 计算机科学 2022-08-01 Song Tao , Zijian Wang , Tiantian Fan , Canjie Luo , Can Huang

We introduce EmbeddingGemma, a new lightweight, open text embedding model based on the Gemma 3 language model family. Our innovative training recipe strategically captures knowledge from larger models via encoder-decoder initialization and…

Recent advancements in machine learning (ML), natural language processing (NLP), and foundational models have shown promise for real-life applications in critical, albeit compute-constrainted fields like healthcare. In such areas, combining…

机器学习 · 计算机科学 2025-02-05 Georgios Margaritis , Periklis Petridis , Dimitris J. Bertsimas

Spatio-temporal trajectories provide valuable information about movement and travel behavior, enabling various downstream tasks that in turn power real-world applications. Learning trajectory embeddings can improve task performance but may…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Yan Lin , Huaiyu Wan , Shengnan Guo , Jilin Hu , Christian S. Jensen , Youfang Lin

Most recent few-shot learning (FSL) methods are based on meta-learning with episodic training. In each meta-training episode, a discriminative feature embedding and/or classifier are first constructed from a support set in an inner loop,…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Yizhao Gao , Nanyi Fei , Guangzhen Liu , Zhiwu Lu , Tao Xiang , Songfang Huang

The "pre-training $\rightarrow$ downstream adaptation" presents both new opportunities and challenges for Continual Learning (CL). Although the recent state-of-the-art in CL is achieved through Parameter-Efficient-Tuning (PET) adaptation…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Qiankun Gao , Chen Zhao , Yifan Sun , Teng Xi , Gang Zhang , Bernard Ghanem , Jian Zhang

Acoustic Word Embeddings (AWEs) improve the efficiency of speech retrieval tasks such as Spoken Term Detection (STD) and Keyword Spotting (KWS). However, existing approaches suffer from limitations, including unimodal supervision, disjoint…

声音 · 计算机科学 2025-12-17 Ramesh Gundluru , Shubham Gupta , Sri Rama Murty K

Unsupervised text embedding has shown great power in a wide range of NLP tasks. While text embeddings are typically learned in the Euclidean space, directional similarity is often more effective in tasks such as word similarity and document…

计算与语言 · 计算机科学 2019-11-05 Yu Meng , Jiaxin Huang , Guangyuan Wang , Chao Zhang , Honglei Zhuang , Lance Kaplan , Jiawei Han