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Retrieval-augmented generation (RAG) for biomedical knowledge faces a hierarchy-aware ontology grounding challenge: resources like HPO, DO, and MeSH use deep ``is-a" taxonomies, yet production stacks rely on Euclidean embeddings and ANN…

Information Retrieval · Computer Science 2026-04-14 Ou Deng , Shoji Nishimura , Atsushi Ogihara , Qun Jin

In this work, we address the challenging task of Generalized Referring Expression Comprehension (GREC). Compared to the classic Referring Expression Comprehension (REC) that focuses on single-target expressions, GREC extends the scope to a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Yaxian Wang , Henghui Ding , Shuting He , Xudong Jiang , Bifan Wei , Jun Liu

This research introduces the Multilevel Embedding Association Test (ML-EAT), a method designed for interpretable and transparent measurement of intrinsic bias in language technologies. The ML-EAT addresses issues of ambiguity and difficulty…

Computation and Language · Computer Science 2024-08-29 Robert Wolfe , Alexis Hiniker , Bill Howe

There is growing interest in searching for information from large video corpora. Prior works have studied relevant tasks, such as text-based video retrieval, moment retrieval, video summarization, and video captioning in isolation, without…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Abhay Zala , Jaemin Cho , Satwik Kottur , Xilun Chen , Barlas Oğuz , Yasher Mehdad , Mohit Bansal

Efficient label acquisition processes are key to obtaining robust classifiers. However, data labeling is often challenging and subject to high levels of label noise. This can arise even when classification targets are well defined, if…

Artificial Intelligence · Computer Science 2018-08-22 Olivier Deiss , Siddharth Biswal , Jing Jin , Haoqi Sun , M. Brandon Westover , Jimeng Sun

Industrial multi-label document understanding pipelines score candidate labels and threshold or rank them to form a label set per document. This early selection step directly affects the accuracy of downstream information extraction from…

Information Retrieval · Computer Science 2026-05-19 Lasal Jayawardena , Nirmalie Wiratunga , Ikechukwu Nkisi-Orji , Darren Nicol

Few-shot Continual Event Detection (FCED) poses the dual challenges of learning from limited data and mitigating catastrophic forgetting across sequential tasks. Existing approaches often suffer from severe forgetting due to the full…

Machine Learning · Computer Science 2025-09-30 Bao-Ngoc Dao , Quang Nguyen , Luyen Ngo Dinh , Minh Le , Linh Ngo Van

Text-to-SQL translates natural language questions into SQL statements grounded in a target database schema. Ensuring the reliability and executability of such systems requires validating generated SQL, but most existing approaches focus…

Machine Learning · Computer Science 2025-12-30 Rihong Qiu , Zhibang Yang , Xinke Jiang , Weibin Liao , Xin Gao , Xu Chu , Junfeng Zhao , Yasha Wang

In semi-supervised segmentation, capturing meaningful semantic structures from unlabeled data is essential. This is particularly challenging in histopathology image analysis, where objects are densely distributed. To address this issue, we…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Meilong Xu , Xiaoling Hu , Shahira Abousamra , Chen Li , Chao Chen

Traditional Multi-level Hierarchical Classification (MLHC) classifiers often rely on backbone models with $n$ independent output layers. This structure tends to overlook the hierarchical relationships between classes, leading to…

Short text classification, as a research subtopic in natural language processing, is more challenging due to its semantic sparsity and insufficient labeled samples in practical scenarios. We propose a novel model named MI-DELIGHT for short…

Computation and Language · Computer Science 2025-01-17 Yonghao Liu , Mengyu Li , Wei Pang , Fausto Giunchiglia , Lan Huang , Xiaoyue Feng , Renchu Guan

Accurate nutrient estimation from unstructured recipe text is an important yet challenging problem in dietary monitoring, due to ambiguous ingredient terminology and highly variable quantity expressions. We systematically evaluate models…

Computation and Language · Computer Science 2026-05-14 Wei-Chun Chen , Yu-Xuan Chen , I-Fang Chung , Ying-Jia Lin

Image-to-recipe retrieval is a challenging vision-to-language task of significant practical value. The main challenge of the task lies in the ultra-high redundancy in the long recipe and the large variation reflected in both food item…

Computer Vision and Pattern Recognition · Computer Science 2023-05-22 Bhanu Prakash Voutharoja , Peng Wang , Lei Wang , Vivienne Guan

This paper addresses the problem of corpus-level entity typing, i.e., inferring from a large corpus that an entity is a member of a class such as "food" or "artist". The application of entity typing we are interested in is knowledge base…

Computation and Language · Computer Science 2018-06-11 Yadollah Yaghoobzadeh , Heike Adel , Hinrich Schütze

Hierarchical text classification (HTC) is a special sub-task of multi-label classification (MLC) whose taxonomy is constructed as a tree and each sample is assigned with at least one path in the tree. Latest HTC models contain three…

Computation and Language · Computer Science 2024-08-13 Zhijian Chen , Zhonghua Li , Jianxin Yang , Ye Qi

A significant portion of the data available today is found within tables. Therefore, it is necessary to use automated table extraction to obtain thorough results when data-mining. Today's popular state-of-the-art methods for table…

Information Retrieval · Computer Science 2021-04-26 Zach Colter , Morteza Fayazi , Zineb Benameur-El , Serafina Kamp , Shuyan Yu , Ronald Dreslinski

Online educational platforms organize academic questions based on a hierarchical learning taxonomy (subject-chapter-topic). Automatically tagging new questions with existing taxonomy will help organize these questions into different classes…

Computation and Language · Computer Science 2021-07-23 Venktesh V , Mukesh Mohania , Vikram Goyal

The rapid iteration and widespread dissemination of deepfake technology have posed severe challenges to information security, making robust and generalizable detection of AI-generated forged images increasingly important. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhilin Tu , Kemou Li , Fengpeng Li , Jianwei Fei , Jiamin Zhang , Haiwei Wu

Document structure extraction has been a widely researched area for decades with recent works performing it as a semantic segmentation task over document images using fully-convolution networks. Such methods are limited by image resolution…

Machine Learning · Computer Science 2021-07-12 Milan Aggarwal , Hiresh Gupta , Mausoom Sarkar , Balaji Krishnamurthy

Autonomous robot-assisted feeding requires the ability to acquire a wide variety of food items. However, it is impossible for such a system to be trained on all types of food in existence. Therefore, a key challenge is choosing a…

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