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With the recent success of the pre-training technique for NLP and image-linguistic tasks, some video-linguistic pre-training works are gradually developed to improve video-text related downstream tasks. However, most of the existing…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Huaishao Luo , Lei Ji , Botian Shi , Haoyang Huang , Nan Duan , Tianrui Li , Jason Li , Taroon Bharti , Ming Zhou

We introduce UniGen, a unified multimodal large language model (MLLM) capable of image understanding and generation. We study the full training pipeline of UniGen from a data-centric perspective, including multi-stage pre-training,…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Rui Tian , Mingfei Gao , Mingze Xu , Jiaming Hu , Jiasen Lu , Zuxuan Wu , Yinfei Yang , Afshin Dehghan

The task of visual dialog requires a multimodal chatbot to answer sequential questions from humans about image content. Prior work performs the standard likelihood training for answer generation on the positive instances (involving correct…

计算与语言 · 计算机科学 2022-11-28 Zihao Wang , Junli Wang , Changjun Jiang

Financial institutions and regulators require systems that integrate heterogeneous data to assess risks from stock fluctuations to systemic vulnerabilities. Existing approaches often treat these tasks in isolation, failing to capture…

机器学习 · 计算机科学 2026-01-07 Gongao Zhang , Haijiang Zeng , Lu Jiang

Building an end-to-end conversational agent for multi-domain task-oriented dialogues has been an open challenge for two main reasons. First, tracking dialogue states of multiple domains is non-trivial as the dialogue agent must obtain…

计算与语言 · 计算机科学 2020-11-17 Hung Le , Doyen Sahoo , Chenghao Liu , Nancy F. Chen , Steven C. H. Hoi

Conversational retrieval refers to an information retrieval system that operates in an iterative and interactive manner, requiring the retrieval of various external resources, such as persona, knowledge, and even response, to effectively…

计算与语言 · 计算机科学 2024-02-29 Hongru Wang , Boyang Xue , Baohang Zhou , Rui Wang , Fei Mi , Weichao Wang , Yasheng Wang , Kam-Fai Wong

In this work, we devote ourselves to the challenging task of Unsupervised Multi-view Representation Learning (UMRL), which requires learning a unified feature representation from multiple views in an unsupervised manner. Existing UMRL…

机器学习 · 计算机科学 2023-03-09 Yiyang Zhou , Qinghai Zheng , Shunshun Bai , Jihua Zhu

Conversational query clarification enables users to refine their search queries through interactive dialogue, improving search effectiveness. Traditional approaches rely on text-based clarifying questions, which often fail to capture…

信息检索 · 计算机科学 2025-02-18 Kimia Ramezan , Alireza Amiri Bavandpour , Yifei Yuan , Clemencia Siro , Mohammad Aliannejadi

Although pretraining has garnered significant attention and popularity in recent years, its application in graph-based recommender systems is relatively limited. It is challenging to exploit prior knowledge by pretraining in widely used…

信息检索 · 计算机科学 2023-10-23 Mingdai Yang , Zhiwei Liu , Liangwei Yang , Xiaolong Liu , Chen Wang , Hao Peng , Philip S. Yu

Conversational Recommendation System (CRS) is a rapidly growing research area that has gained significant attention alongside advancements in language modelling techniques. However, the current state of conversational recommendation faces…

计算与语言 · 计算机科学 2023-10-26 Xi Wang , Hossein A. Rahmani , Jiqun Liu , Emine Yilmaz

Large language models (LLMs) provide excellent text-generation capabilities, but standard prompting and generation methods generally do not lead to intentional or goal-directed agents and might necessitate considerable prompt tuning. This…

计算与语言 · 计算机科学 2023-12-01 Marwa Abdulhai , Isadora White , Charlie Snell , Charles Sun , Joey Hong , Yuexiang Zhai , Kelvin Xu , Sergey Levine

Large Multimodal Models (LMMs) have achieved significant breakthroughs in various vision-language and vision-centric tasks based on auto-regressive modeling. However, these models typically focus on either vision-centric tasks, such as…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Yufei Zhan , Hongyin Zhao , Yousong Zhu , Fan Yang , Ming Tang , Jinqiao Wang

Recommendation systems effectively guide users in locating their desired information within extensive content repositories. Generally, a recommendation model is optimized to enhance accuracy metrics from a user utility standpoint, such as…

信息检索 · 计算机科学 2023-10-23 Xu Huang , Jianxun Lian , Hao Wang , Defu Lian , Xing Xie

Multi-stage decision-making is crucial in various real-world artificial intelligence applications, including recommendation systems, autonomous driving, and quantitative investment systems. In quantitative investment, for example, the…

机器学习 · 计算机科学 2024-11-19 Jian Guo , Saizhuo Wang , Yiyan Qi

As the last pivotal stage of Recommender System (RS), Multi-Task Fusion (MTF) is responsible for combining multiple scores outputted by Multi-Task Learning (MTL) model into a final score to maximize user satisfaction. Recently, to optimize…

信息检索 · 计算机科学 2025-09-25 Peng Liu , Cong Xu , Ming Zhao , Jiawei Zhu , Bin Wang , Yi Ren

Existing Unbiased Scene Graph Generation (USGG) methods only focus on addressing the predicate-level imbalance that high-frequency classes dominate predictions of rare ones, while overlooking the concept-level imbalance. Actually, even if…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Xinyu Lyu , Lianli Gao , Junlin Xie , Pengpeng Zeng , Yulu Tian , Jie Shao , Heng Tao Shen

Unified Multimodal Models (UMMs) have demonstrated remarkable performance in text-to-image generation (T2I) and editing (TI2I), whether instantiated as assembled unified frameworks which couple powerful vision-language model (VLM) with…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Yuxin Song , Wenkai Dong , Shizun Wang , Qi Zhang , Song Xue , Tao Yuan , Hu Yang , Haocheng Feng , Hang Zhou , Xinyan Xiao , Jingdong Wang

Decision making whenever and wherever it is happened is key to organizations success. In order to make correct decision, individuals, teams and organizations need both knowledge management (to manage content) and collaboration (to manage…

人工智能 · 计算机科学 2012-03-27 Nesrine Ben Yahia , Narjès Bellamine , Henda Ben Ghezala

Multilingual proficiency presents a significant challenge for large language models (LLMs). English-centric models are usually suboptimal in other languages, particularly those that are linguistically distant from English. This performance…

计算与语言 · 计算机科学 2025-01-07 Geyu Lin , Bin Wang , Zhengyuan Liu , Nancy F. Chen

In this paper, we introduce Modality-Inconsistent Continual Learning (MICL), a new continual learning scenario for Multimodal Large Language Models (MLLMs) that involves tasks with inconsistent modalities (image, audio, or video) and…

机器学习 · 计算机科学 2026-05-13 Weiguo Pian , Shijian Deng , Shentong Mo , Mingrui Liu , Yunhui Guo , Yapeng Tian