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Reliably determining the performance of Retrieval-Augmented Generation (RAG) systems depends on comprehensive test questions. While a proliferation of evaluation frameworks for LLM-powered applications exists, current practices lack a…

Machine Learning · Computer Science 2025-10-02 Noah Broestl , Adel Nasser Abdalla , Rajprakash Bale , Hersh Gupta , Max Struever

In many real-world applications, a reinforcement learning (RL) agent should consider multiple objectives and adhere to safety guidelines. To address these considerations, we propose a constrained multi-objective RL algorithm named…

Machine Learning · Computer Science 2024-06-03 Dohyeong Kim , Mineui Hong , Jeongho Park , Songhwai Oh

Designing agents, capable of learning autonomously a wide range of skills is critical in order to increase the scope of reinforcement learning. It will both increase the diversity of learned skills and reduce the burden of manually…

Machine Learning · Computer Science 2022-11-08 Grgur Kovač , Adrien Laversanne-Finot , Pierre-Yves Oudeyer

Text-to-Image (T2I) generation has long been an open problem, with compositional synthesis remaining particularly challenging. This task requires accurate rendering of complex scenes containing multiple objects that exhibit diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Shijian Wang , Runhao Fu , Siyi Zhao , Qingqin Zhan , Xingjian Wang , Jiarui Jin , Yuan Lu , Hanqian Wu , Cunjian Chen

AI Scientists have shown promising progress across multiple stages of the research pipeline, among which automatic scientific paper writing remains a formidable challenge. The Introduction writing is especially challenging, which demands…

Artificial Intelligence · Computer Science 2026-05-26 Jiabei Xiao , Yizhou Wang , Chen Tang , Pengze Li , Wanli Ouyang , Shixiang Tang

Retrieval-augmented generation (RAG) has emerged as a pivotal method for expanding the knowledge of large language models. To handle complex queries more effectively, researchers developed Adaptive-RAG (A-RAG) to enhance the generated…

Artificial Intelligence · Computer Science 2025-05-27 Jie Ou , Jinyu Guo , Shuaihong Jiang , Zhaokun Wang , Libo Qin , Shunyu Yao , Wenhong Tian

A mind-map is a diagram that represents the central concept and key ideas in a hierarchical way. Converting plain text into a mind-map will reveal its key semantic structure and be easier to understand. Given a document, the existing…

Computation and Language · Computer Science 2021-09-07 Mengting Hu , Honglei Guo , Shiwan Zhao , Hang Gao , Zhong Su

Retrieval-augmented generation (RAG) has demonstrated its ability to enhance Large Language Models (LLMs) by integrating external knowledge sources. However, multi-hop questions, which require the identification of multiple knowledge…

Machine Learning · Computer Science 2026-04-28 Yuchen Yan , Peiyan Zhang , Zhihua Liu , Hao Wang , Yatao Bian , Weiming Li , Xiaoshuai Hao

Recently, neural heuristics based on deep reinforcement learning have exhibited promise in solving multi-objective combinatorial optimization problems (MOCOPs). However, they are still struggling to achieve high learning efficiency and…

Machine Learning · Computer Science 2023-10-25 Jinbiao Chen , Jiahai Wang , Zizhen Zhang , Zhiguang Cao , Te Ye , Siyuan Chen

Large Language Models (LLMs) as interactive agents show significant promise in Knowledge Graph Question Answering (KGQA) but often struggle with the semantic gap between natural language queries and structured knowledge graph (KG)…

Computation and Language · Computer Science 2025-10-20 Jingao Xu , Shuoyoucheng Ma , Xin Song , Rong Jiang , Hongkui Tu , Bin Zhou

Photo collage aims to automatically arrange multiple photos on a given canvas with high aesthetic quality. Existing methods are based mainly on handcrafted feature optimization, which cannot adequately capture high-level human aesthetic…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Mingrui Zhang , Mading Li , Li Chen , Jiahao Yu

Automatic question generation according to an answer within the given passage is useful for many applications, such as question answering system, dialogue system, etc. Current neural-based methods mostly take two steps which extract several…

Computation and Language · Computer Science 2019-07-02 Yutong Wang , Jiyuan Zheng , Qijiong Liu , Zhou Zhao , Jun Xiao , Yueting Zhuang

Despite significant recent progress in the area of Brain-Computer Interface (BCI), there are numerous shortcomings associated with collecting Electroencephalography (EEG) signals in real-world environments. These include, but are not…

Quantitative Methods · Quantitative Biology 2019-10-14 Nik Khadijah Nik Aznan , Amir Atapour-Abarghouei , Stephen Bonner , Jason Connolly , Noura Al Moubayed , Toby Breckon

Question-Options Generation (QOG) is a task that involves generating a set of question-options pairs given context. This task has various applications, including fine-tuning large models, information retrieval, and automated multiple-choice…

Computation and Language · Computer Science 2024-07-17 Jincheng Zhou

To provide a foundation for the research of deep learning models, the construction of model pool is an essential step. This paper proposes a Training-Free and Efficient Model Generation and Enhancement Scheme (MGE). This scheme primarily…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Xuan Wang , Zeshan Pang , Yuliang Lu , Xuehu Yan

Automatic related work generation (RWG) can save people's time and effort when writing a draft of related work section (RWS) for further revision. However, existing methods for RWG always suffer from shallow comprehension due to taking the…

Computation and Language · Computer Science 2025-05-27 Xiaochuan Liu , Ruihua Song , Xiting Wang , Xu Chen

Multi-hop Question Generation (QG) aims to generate answer-related questions by aggregating and reasoning over multiple scattered evidence from different paragraphs. It is a more challenging yet under-explored task compared to conventional…

Computation and Language · Computer Science 2021-02-10 Dan Su , Yan Xu , Wenliang Dai , Ziwei Ji , Tiezheng Yu , Pascale Fung

Multi-objective combinatorial optimization problems (MOCOP) frequently arise in practical applications that require the simultaneous optimization of conflicting objectives. Although traditional evolutionary algorithms can be effective, they…

Neural and Evolutionary Computing · Computer Science 2026-01-16 Minh Hieu Ha , Hung Phan , Tung Duy Doan , Tung Dao , Dao Tran , Huynh Thi Thanh Binh

Given the inherent class imbalance issue within student performance datasets, samples belonging to the edges of the target class distribution pose a challenge for predictive machine learning algorithms to learn. In this paper, we introduce…

Machine Learning · Computer Science 2021-01-05 Dom Huh

Modern deep neural networks achieved remarkable progress in medical image segmentation tasks. However, it has recently been observed that they tend to produce overconfident estimates, even in situations of high uncertainty, leading to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Agostina Larrazabal , Cesar Martinez , Jose Dolz , Enzo Ferrante