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Language model (LM) pretraining can learn various knowledge from text corpora, helping downstream tasks. However, existing methods such as BERT model a single document, and do not capture dependencies or knowledge that span across…

计算与语言 · 计算机科学 2022-03-31 Michihiro Yasunaga , Jure Leskovec , Percy Liang

This paper studies the problem of finding typical entities when the concept is given as a query. For a short concept such as university, this is a well-studied problem of retrieving knowledge base such as Microsoft's Probase and Google's…

信息检索 · 计算机科学 2015-12-01 Yi Zhang , Yanghua Xiao , Seung-won Hwang , Wei Wang

This paper explores learning rich self-supervised entity representations from large amounts of the associated text. Once pre-trained, these models become applicable to multiple entity-centric tasks such as ranked retrieval, knowledge base…

计算与语言 · 计算机科学 2021-03-01 Yury Zemlyanskiy , Sudeep Gandhe , Ruining He , Bhargav Kanagal , Anirudh Ravula , Juraj Gottweis , Fei Sha , Ilya Eckstein

Discourse relations are typically modeled as a discrete class that characterizes the relation between segments of text (e.g. causal explanations, expansions). However, such predefined discrete classes limits the universe of potential…

计算与语言 · 计算机科学 2023-03-01 Youngseo Son , Vasudha Varadarajan , H Andrew Schwartz

We propose a novel approach for modeling semantic contextual relationships in videos. This graph-based model enables the learning and propagation of higher-level spatial-temporal contexts to facilitate the semantic labeling of local…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Tinghuai Wang , Huiling Wang

Conversational query rewriting is crucial for effective conversational search, yet traditional supervised methods require substantial labeled data, which is scarce in low-resource settings. This paper introduces Prompt-Guided In-Context…

计算与语言 · 计算机科学 2025-02-24 Raymond Wilson , Chase Carter , Cole Graham

In recent years, many explanation methods have been proposed to explain individual classifications of deep neural networks. However, how to leverage the created explanations to improve the learning process has been less explored. As the…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Jindong Gu , Zhiliang Wu , Volker Tresp

Sequential Recommendation (SeqRec) aims to predict the next item by capturing sequential patterns from users' historical interactions, playing a crucial role in many real-world recommender systems. However, existing approaches predominantly…

信息检索 · 计算机科学 2025-08-04 Jiakai Tang , Sunhao Dai , Teng Shi , Jun Xu , Xu Chen , Wen Chen , Jian Wu , Yuning Jiang

While deeper and wider neural networks are actively pushing the performance limits of various computer vision and machine learning tasks, they often require large sets of labeled data for effective training and suffer from extremely high…

计算机视觉与模式识别 · 计算机科学 2017-10-27 Zhi Zhang , Guanghan Ning , Zhihai He

Identifying argument components from unstructured texts and predicting the relationships expressed among them are two primary steps of argument mining. The intrinsic complexity of these tasks demands powerful learning models. While…

计算与语言 · 计算机科学 2022-03-25 Subhabrata Dutta , Jeevesh Juneja , Dipankar Das , Tanmoy Chakraborty

Recent studies on pre-trained vision/language models have demonstrated the practical benefit of a new, promising solution-building paradigm in AI where models can be pre-trained on broad data describing a generic task space and then adapted…

信息检索 · 计算机科学 2024-01-09 Ziqian Lin , Hao Ding , Nghia Trong Hoang , Branislav Kveton , Anoop Deoras , Hao Wang

Quizzes play a crucial role in education by reinforcing students' understanding of key concepts and encouraging self-directed exploration. However, compiling high-quality quizzes can be challenging and require deep expertise and insight…

计算与语言 · 计算机科学 2025-03-20 Yicheng Fu , Zikui Wang , Liuxin Yang , Meiqing Huo , Zhongdongming Dai

We present a machine learning system that can quantify fine art paintings with a set of visual elements and principles of art. This formal analysis is fundamental for understanding art, but developing such a system is challenging. Paintings…

机器学习 · 计算机科学 2022-01-14 Diana Kim , Ahmed Elgammal , Marian Mazzone

Document-level relation extraction (DocRE) poses the challenge of identifying relationships between entities within a document as opposed to the traditional RE setting where a single sentence is input. Existing approaches rely on logical…

信息检索 · 计算机科学 2024-01-23 Monika Jain , Raghava Mutharaju , Ramakanth Kavuluru , Kuldeep Singh

Class Incremental Learning (CIL) based on pre-trained models offers a promising direction for open-world continual learning. Existing methods typically rely on correlation-based strategies, where an image's classification feature is used as…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Libo Huang , Zhulin An , Chuanguang Yang , Boyu Diao , Fei Wang , Yan Zeng , Zhifeng Hao , Yongjun Xu

Machine Learning and Inference methods have become ubiquitous in our attempt to induce more abstract representations of natural language text, visual scenes, and other messy, naturally occurring data, and support decisions that depend on…

机器学习 · 计算机科学 2020-05-27 Dan Roth

Language models that utilize extensive self-supervised pre-training from unlabeled text, have recently shown to significantly advance the state-of-the-art performance in a variety of language understanding tasks. However, it is yet unclear…

信息检索 · 计算机科学 2020-09-29 Itzik Malkiel , Oren Barkan , Avi Caciularu , Noam Razin , Ori Katz , Noam Koenigstein

In-context learning is the ability of a pretrained model to adapt to novel and diverse downstream tasks by conditioning on prompt examples, without optimizing any parameters. While large language models have demonstrated this ability, how…

机器学习 · 计算机科学 2023-05-23 Qian Huang , Hongyu Ren , Peng Chen , Gregor Kržmanc , Daniel Zeng , Percy Liang , Jure Leskovec

Implicit discourse relation recognition involves determining relationships that hold between spans of text that are not linked by an explicit discourse connective. In recent years, the pre-train, prompt, and predict paradigm has emerged as…

计算与语言 · 计算机科学 2024-11-25 Wanqiu Long , Bonnie Webber

Concept drift detection is a crucial task in data stream evolving environments. Most of state of the art approaches designed to tackle this problem monitor the loss of predictive models. However, this approach falls short in many real-world…

机器学习 · 计算机科学 2021-03-09 Vitor Cerqueira , Heitor Murilo Gomes , Albert Bifet , Luis Torgo