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Estimating mutual information from text usually requires training a task-specific critic, which limits its use in low-data settings. We ask whether large language models can instead estimate pointwise mutual information zero-shot, using…

计算与语言 · 计算机科学 2026-05-22 Juliette Woodrow , Chris Piech

Sentiment Analysis refers to the study of systematically extracting the meaning of subjective text . When analysing sentiments from the subjective text using Machine Learning techniques,feature extraction becomes a significant part. We…

计算与语言 · 计算机科学 2019-06-05 Avinash Madasu , Sivasankar E

Mixture proportion estimation (MPE) aims to estimate class priors from unlabeled data. This task is a critical component in weakly supervised learning, such as PU learning, learning with label noise, and domain adaptation. Existing MPE…

机器学习 · 计算机科学 2026-04-09 Yushi Hirose , Akito Narahara , Takafumi Kanamori

The aim of image captioning is to generate captions by machine to describe image contents. Despite many efforts, generating discriminative captions for images remains non-trivial. Most traditional approaches imitate the language structure…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Xihui Liu , Hongsheng Li , Jing Shao , Dapeng Chen , Xiaogang Wang

Change captioning aims to describe changes between a pair of images. However, existing works rely on visual features alone, which often fail to capture subtle but meaningful changes because they lack the ability to represent explicitly…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Kyu Ri Park , Jiyoung Park , Seong Tae Kim , Hong Joo Lee , Jung Uk Kim

Sequential recommendation aims to model dynamic user behavior from historical interactions. Self-attentive methods have proven effective at capturing short-term dynamics and long-term preferences. Despite their success, these approaches…

信息检索 · 计算机科学 2022-04-06 Jiacheng Li , Tong Zhao , Jin Li , Jim Chan , Christos Faloutsos , George Karypis , Soo-Min Pantel , Julian McAuley

Sentence-level relation extraction aims to identify the relation between two entities for a given sentence. The existing works mostly focus on obtaining a better entity representation and adopting a multi-label classifier for relation…

计算与语言 · 计算机科学 2023-04-12 Jiewen Zheng , Ze Chen

Qualitative relationships illustrate how changing one property (e.g., moving velocity) affects another (e.g., kinetic energy) and constitutes a considerable portion of textual knowledge. Current approaches use either semantic parsers to…

计算与语言 · 计算机科学 2021-06-07 Mucheng Ren , Heyan Huang , Yang Gao

Mixture-of-Experts models have become a dominant architecture for scaling Large Language Models by activating only a sparse subset of experts per token. However, latency-critical MoE inference faces a fundamental tension: while expert…

分布式、并行与集群计算 · 计算机科学 2026-02-04 Qianchao Zhu , Xucheng Ye , Yuliang Liu , Haodong Ouyang , Chengru Song

Implicit event argument extraction (EAE) aims to identify arguments that could scatter over the document. Most previous work focuses on learning the direct relations between arguments and the given trigger, while the implicit relations with…

计算与语言 · 计算机科学 2022-06-14 Jiaju Lin , Qin Chen , Jie Zhou , Jian Jin , Liang He

"What other people think" has always been an important piece of information during various decision-making processes. Today people frequently make their opinions available via the Internet, and as a result, the Web has become an excellent…

计算与语言 · 计算机科学 2010-11-23 Samaneh Moghaddam , Fred Popowich

Sentiment analysis can be regarded as a relation extraction problem in which the sentiment of some opinion holder towards a certain aspect of a product, theme or event needs to be extracted. We present a novel neural architecture for…

计算与语言 · 计算机科学 2017-09-20 Soufian Jebbara , Philipp Cimiano

Multi-modal reasoning in visual question answering (VQA) has witnessed rapid progress recently. However, most reasoning models heavily rely on shortcuts learned from training data, which prevents their usage in challenging real-world…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Qi Zheng , Chaoyue Wang , Daqing Liu , Dadong Wang , Dacheng Tao

In recent years, the explosion of web videos makes text-video retrieval increasingly essential and popular for video filtering, recommendation, and search. Text-video retrieval aims to rank relevant text/video higher than irrelevant ones.…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Chen Jiang , Hong Liu , Xuzheng Yu , Qing Wang , Yuan Cheng , Jia Xu , Zhongyi Liu , Qingpei Guo , Wei Chu , Ming Yang , Yuan Qi

Research in Document Intelligence and especially in Document Key Information Extraction (DocKIE) has been mainly solved as Token Classification problem. Recent breakthroughs in both natural language processing (NLP) and computer vision…

计算与语言 · 计算机科学 2023-04-24 Laurent Lam , Pirashanth Ratnamogan , Joël Tang , William Vanhuffel , Fabien Caspani

Uncertainty quantification (UQ) is essential for safe deployment of generative AI models such as large language models (LLMs), especially in high stakes applications. Conformal prediction (CP) offers a principled uncertainty quantification…

机器学习 · 计算机科学 2025-06-09 Sima Noorani , Shayan Kiyani , George Pappas , Hamed Hassani

Knowledge Components (KCs) linked to assessments enhance the measurement of student learning, enrich analytics, and facilitate adaptivity. However, generating and linking KCs to assessment items requires significant effort and…

人工智能 · 计算机科学 2024-06-03 Steven Moore , Robin Schmucker , Tom Mitchell , John Stamper

Extracting entities and relations for types of interest from text is important for understanding massive text corpora. Traditionally, systems of entity relation extraction have relied on human-annotated corpora for training and adopted an…

计算与语言 · 计算机科学 2017-06-06 Xiang Ren , Zeqiu Wu , Wenqi He , Meng Qu , Clare R. Voss , Heng Ji , Tarek F. Abdelzaher , Jiawei Han

Reviews of products or services on Internet marketplace websites contain a rich amount of information. Users often wish to survey reviews or review snippets from the perspective of a certain aspect, which has resulted in a large body of…

计算与语言 · 计算机科学 2020-06-05 Christopher Mitcheltree , Skyler Wharton , Avneesh Saluja

Detecting fake news in large datasets is challenging due to its diversity and complexity, with traditional approaches often focusing on textual features while underutilizing semantic and emotional elements. Current methods also rely heavily…

计算与语言 · 计算机科学 2024-10-22 Xiaoman Xu , Xiangrun Li , Taihang Wang , Ye Jiang