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Spatial Description Resolution, as a language-guided localization task, is proposed for target location in a panoramic street view, given corresponding language descriptions. Explicitly characterizing an object-level relationship while…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Peiyao Wang , Weixin Luo , Yanyu Xu , Haojie Li , Shugong Xu , Jianyu Yang , Shenghua Gao

Hyperspectral image (HSI) classification is gaining a lot of momentum in present time because of high inherent spectral information within the images. However, these images suffer from the problem of curse of dimensionality and usually…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Shivam Pande , Nassim Ait Ali Braham , Yi Wang , Conrad M Albrecht , Biplab Banerjee , Xiao Xiang Zhu

Emotion cause identification aims at identifying the potential causes that lead to a certain emotion expression in text. Several techniques including rule based methods and traditional machine learning methods have been proposed to address…

计算与语言 · 计算机科学 2019-06-05 Zixiang Ding , Huihui He , Mengran Zhang , Rui Xia

Few-Shot Relation Extraction aims at predicting the relation for a pair of entities in a sentence by training with a few labelled examples in each relation. Some recent works have introduced relation information (i.e., relation labels or…

计算与语言 · 计算机科学 2022-05-20 Yang Liu , Jinpeng Hu , Xiang Wan , Tsung-Hui Chang

Aggregating pharmaceutical data in the drug-target interaction (DTI) domain has the potential to deliver life-saving breakthroughs. It is, however, notoriously difficult due to regulatory constraints and commercial interests. This work…

机器学习 · 计算机科学 2023-10-19 Gianluca Mittone , Filip Svoboda , Marco Aldinucci , Nicholas D. Lane , Pietro Lio

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

Retrieval-augmented generation (RAG) systems rely on accurate document retrieval to ground large language models (LLMs) in external knowledge, yet retrieval quality often degrades in corpora where topics overlap and thematic variation is…

信息检索 · 计算机科学 2026-01-06 Rodrigo Kataishi

Accurate uncertainty quantification is crucial for making reliable decisions in various supervised learning scenarios, particularly when dealing with complex, multimodal data such as images and text. Current approaches often face notable…

机器学习 · 统计学 2026-03-30 Xinyu Tian , Xiaotong Shen

Large-scale Text-to-SQL benchmarks such as BIRD typically assume complete and accurate database annotations as well as readily available external knowledge, which fails to reflect common industrial settings where annotations are missing,…

计算与语言 · 计算机科学 2026-01-15 Jiahui Chen , Lei Fu , Jian Cui , Yu Lei , Zhenning Dong

With the rapid development of deep learning technology and improvement in computing capability, deep learning has been widely used in the field of hyperspectral image (HSI) classification. In general, deep learning models often contain many…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Sen Jia , Shuguo Jiang , Zhijie Lin , Nanying Li , Meng Xu , Shiqi Yu

Entity retrieval--retrieving information about entity mentions in a query--is a key step in open-domain tasks, such as question answering or fact checking. However, state-of-the-art entity retrievers struggle to retrieve rare entities for…

计算与语言 · 计算机科学 2022-04-19 Megan Leszczynski , Daniel Y. Fu , Mayee F. Chen , Christopher Ré

Instruction subsets are heuristics that can reduce the size of the inductive programming search space by tens of orders of magnitude. Comprising many overlapping subsets of different sizes, they serve as predictions of the instructions…

人工智能 · 计算机科学 2024-07-02 Edward McDaid , Sarah McDaid

The objective of topic inference in research proposals aims to obtain the most suitable disciplinary division from the discipline system defined by a funding agency. The agency will subsequently find appropriate peer review experts from…

计算与语言 · 计算机科学 2024-06-05 Meng Xiao , Min Wu , Ziyue Qiao , Yanjie Fu , Zhiyuan Ning , Yi Du , Yuanchun Zhou

Credit assignment is a fundamental problem in reinforcement learning, the problem of measuring an action's influence on future rewards. Explicit credit assignment methods have the potential to boost the performance of RL algorithms on many…

机器学习 · 计算机科学 2022-02-15 Vyacheslav Alipov , Riley Simmons-Edler , Nikita Putintsev , Pavel Kalinin , Dmitry Vetrov

As the web expands in data volume and in geographical distribution, centralized search methods become inefficient, leading to increasing interest in cooperative information retrieval, e.g., federated text retrieval (FTR). Different from…

信息检索 · 计算机科学 2018-10-08 Qijun Zhu , Dandan Li , Dik Lun Lee

We tackle real-world problems with complex structures beyond the pixel-based game or simulator. We formulate it as a few-shot reinforcement learning problem where a task is characterized by a subtask graph that defines a set of subtasks and…

机器学习 · 计算机科学 2022-05-26 Sungryull Sohn , Hyunjae Woo , Jongwook Choi , lyubing qiang , Izzeddin Gur , Aleksandra Faust , Honglak Lee

With the rapid growth of data, it is becoming increasingly difficult to train or improve deep learning models with the right subset of data. We show that this problem can be effectively solved at an additional labeling cost by targeted data…

机器学习 · 计算机科学 2021-05-04 Suraj Kothawade , Vishal Kaushal , Ganesh Ramakrishnan , Jeff Bilmes , Rishabh Iyer

Event Causality Identification (ECI) aims to identify causal relations between events in unstructured texts. This is a very challenging task, because causal relations are usually expressed by implicit associations between events. Existing…

计算与语言 · 计算机科学 2023-05-23 Zhilei Hu , Zixuan Li , Xiaolong Jin , Long Bai , Saiping Guan , Jiafeng Guo , Xueqi Cheng

Tensor time series data appears naturally in a lot of fields, including finance and economics. As a major dimension reduction tool, similar to its factor model counterpart, the idiosyncratic components of a tensor time series factor model…

统计方法学 · 统计学 2022-08-09 Weilin Chen , Clifford Lam

This paper presents a tensor alignment (TA) based domain adaptation method for hyperspectral image (HSI) classification. To be specific, HSIs in both domains are first segmented into superpixels and tensors of both domains are constructed…

图像与视频处理 · 电气工程与系统科学 2020-01-08 Yao Qin , Lorenzo Bruzzone , Biao Li