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Graph-based models and contrastive learning have emerged as prominent methods in Collaborative Filtering (CF). While many existing models in CF incorporate these methods in their design, there seems to be a limited depth of analysis…

信息检索 · 计算机科学 2024-06-24 Yihong Wu , Le Zhang , Fengran Mo , Tianyu Zhu , Weizhi Ma , Jian-Yun Nie

Representation learning has emerged as a powerful paradigm for extracting valuable latent features from complex, high-dimensional data. In financial domains, learning informative representations for assets can be used for tasks like sector…

机器学习 · 计算机科学 2024-07-29 Rian Dolphin , Barry Smyth , Ruihai Dong

Contrastive learning, which aims at minimizing the distance between positive pairs while maximizing that of negative ones, has been widely and successfully applied in unsupervised feature learning, where the design of positive and negative…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Rui Zhu , Bingchen Zhao , Jingen Liu , Zhenglong Sun , Chang Wen Chen

Recently, as an effective way of learning latent representations, contrastive learning has been increasingly popular and successful in various domains. The success of constrastive learning in single-label classifications motivates us to…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Son D. Dao , Ethan Zhao , Dinh Phung , Jianfei Cai

Querying new information from knowledge sources, in general, and published literature, in particular, aims to provide precise and quick answers to questions raised about a system under study. In this paper, we present ACCORDION (Automated…

分子网络 · 定量生物学 2020-05-13 Yasmine Ahmed , Cheryl Telmer , Natasa Miskov-Zivanov

Integrating multimodal knowledge for abstractive summarization task is a work-in-progress research area, with present techniques inheriting fusion-then-generation paradigm. Due to semantic gaps between computer vision and natural language…

人工智能 · 计算机科学 2022-08-09 Zijian Zhang , Chang Shu , Youxin Chen , Jing Xiao , Qian Zhang , Lu Zheng

Unlike well-structured text, such as news reports and encyclopedia articles, dialogue content often comes from two or more interlocutors, exchanging information with each other. In such a scenario, the topic of a conversation can vary upon…

计算与语言 · 计算机科学 2021-09-13 Junpeng Liu , Yanyan Zou , Hainan Zhang , Hongshen Chen , Zhuoye Ding , Caixia Yuan , Xiaojie Wang

Tabling for contextual abduction in logic programming has been introduced as a means to store previously obtained abductive solutions in one context to be reused in another context. This paper identifies a number of issues in the existing…

人工智能 · 计算机科学 2020-09-23 Ridhwan Dewoprabowo , Ari Saptawijaya

This paper introduces annotative indexing, a novel framework that unifies and generalizes traditional inverted indexes, column stores, object stores, and graph databases. As a result, annotative indexing can provide the underlying indexing…

信息检索 · 计算机科学 2025-06-04 Charles L. A. Clarke

Traditional training paradigms for extractive and abstractive summarization systems always only use token-level or sentence-level training objectives. However, the output summary is always evaluated from summary-level which leads to the…

计算与语言 · 计算机科学 2023-04-20 Chenxin An , Ming Zhong , Zhiyong Wu , Qin Zhu , Xuanjing Huang , Xipeng Qiu

Health mentioning classification (HMC) classifies an input text as health mention or not. Figurative and non-health mention of disease words makes the classification task challenging. Learning the context of the input text is the key to…

人工智能 · 计算机科学 2022-03-04 Pervaiz Iqbal Khan , Shoaib Ahmed Siddiqui , Imran Razzak , Andreas Dengel , Sheraz Ahmed

We study cross-lingual stance detection, which aims to leverage labeled data in one language to identify the relative perspective (or stance) of a given document with respect to a claim in a different target language. In particular, we…

计算与语言 · 计算机科学 2019-10-08 Mitra Mohtarami , James Glass , Preslav Nakov

The ability to evolve is fundamental for any valuable autonomous agent whose knowledge cannot remain limited to that injected by the manufacturer. Consider for example a home assistant robot: it should be able to incrementally learn new…

计算机视觉与模式识别 · 计算机科学 2022-09-05 Francesco Cappio Borlino , Silvia Bucci , Tatiana Tommasi

Multimodal models, such as the Contrastive Language-Image Pre-training (CLIP) model, have demonstrated remarkable success in aligning visual and linguistic representations. However, these models exhibit limitations when applied to…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Hiroshi Sasaki

Node representation learning has demonstrated its effectiveness for various applications on graphs. Particularly, recent developments in contrastive learning have led to promising results in unsupervised node representation learning for a…

机器学习 · 计算机科学 2021-06-11 Öykü Deniz Köse , Yanning Shen

Advancements in technologies related to working with omics data require novel computation methods to fully leverage information and help develop a better understanding of human diseases. This paper studies the effects of introducing graph…

基因组学 · 定量生物学 2023-10-17 Nishant Rajadhyaksha , Aarushi Chitkara

Graph contrastive learning (GCL), as a popular approach to graph self-supervised learning, has recently achieved a non-negligible effect. To achieve superior performance, the majority of existing GCL methods elaborate on graph data…

机器学习 · 计算机科学 2022-05-03 Yuansheng Wang , Wangbin Sun , Kun Xu , Zulun Zhu , Liang Chen , Zibin Zheng

In the context of human-in-the-loop Machine Learning applications, like Decision Support Systems, interpretability approaches should provide actionable insights without making the users wait. In this paper, we propose Accelerated…

机器学习 · 计算机科学 2021-12-24 David Dandolo , Chiara Masiero , Mattia Carletti , Davide Dalle Pezze , Gian Antonio Susto

While extensive research has explored the use of large language models (LLMs) for table-based reasoning, most approaches struggle with scalability when applied to large tables. To maintain the superior comprehension abilities of LLMs in…

计算与语言 · 计算机科学 2024-07-04 Han Zhang , Yuheng Ma , Hanfang Yang

The dichotomy between the challenging nature of obtaining annotations for activities, and the more straightforward nature of data collection from wearables, has resulted in significant interest in the development of techniques that utilize…

机器学习 · 计算机科学 2022-11-14 Harish Haresamudram , Irfan Essa , Thomas Ploetz