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Retrieval-Augmented Generation (RAG) utilizes external knowledge to augment Large Language Models' (LLMs) reliability. For flexibility, agentic RAG employs autonomous, multi-round retrieval and reasoning to resolve queries. Although recent…

Information Retrieval · Computer Science 2025-11-10 Chao Zhang , Yuhao Wang , Derong Xu , Haoxin Zhang , Yuanjie Lyu , Yuhao Chen , Shuochen Liu , Tong Xu , Xiangyu Zhao , Yan Gao , Yao Hu , Enhong Chen

We consider the problem of generating interpretable recommendations by identifying overlapping co-clusters of clients and products, based only on positive or implicit feedback. Our approach is applicable on very large datasets because it…

Information Retrieval · Computer Science 2017-05-18 Reinhard Heckel , Michail Vlachos , Thomas Parnell , Celestine Dünner

Retrieval-Augmented Generation (RAG) has proven effective in integrating external knowledge into large language models (LLMs) for solving question-answer (QA) tasks. The state-of-the-art RAG approaches often use the graph data as the…

Information Retrieval · Computer Science 2026-05-12 Shu Wang , Yixiang Fang , Yingli Zhou , Xilin Liu , Yuchi Ma

Recently, several methods have leveraged deep generative modeling to produce example-based explanations of image classifiers. Despite producing visually stunning results, these methods are largely disconnected from classical explainability…

Machine Learning · Computer Science 2025-09-11 Philipp Vaeth , Alexander M. Fruehwald , Benjamin Paassen , Magda Gregorova

Conditioning image generation on specific features of the desired output is a key ingredient of modern generative models. However, existing approaches lack a general and unified way of representing structural and semantic conditioning at…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Luca Butera , Andrea Cini , Alberto Ferrante , Cesare Alippi

In recent years, many studies extract aspects from user reviews and integrate them with ratings for improving the recommendation performance. The common aspects mentioned in a user's reviews and a product's reviews indicate indirect…

Information Retrieval · Computer Science 2019-04-18 Xinyu Guan , Zhiyong Cheng , Xiangnan He , Yongfeng Zhang , Zhibo Zhu , Qinke Peng , Tat-Seng Chua

Generative Recommenders (GRs), exemplified by the Hierarchical Sequential Transduction Unit (HSTU), have emerged as a powerful paradigm for modeling long user interaction sequences. However, we observe that their "flat-sequence" assumption…

Information Retrieval · Computer Science 2026-03-03 Zerui Chen , Heng Chang , Tianying Liu , Chuantian Zhou , Yi Cao , Jiandong Ding , Ming Liu , Bing Qin

Aspect Extraction (AE) is a key task in Aspect-Based Sentiment Analysis (ABSA), yet it remains difficult to apply in low-resource and code-switched contexts like Taglish, a mix of Tagalog and English commonly used in Filipino e-commerce…

Most sequential recommendation (SR) systems employing graph neural networks (GNNs) only model a user's interaction sequence as a flat graph without hierarchy, overlooking diverse factors in the user's preference. Moreover, the timespan…

Information Retrieval · Computer Science 2022-07-28 Lyuxin Xue , Deqing Yang , Yanghua Xiao

Explainable Recommender Systems (XRS) aim to provide users with understandable reasons for the recommendations generated by these systems, representing a crucial research direction in artificial intelligence (AI). Recent research has…

Human-Computer Interaction · Computer Science 2025-05-15 Weiqing Li , Yue Xu , Yuefeng Li , Yinghui Huang

This paper presents a novel concept learning framework for enhancing model interpretability and performance in visual classification tasks. Our approach appends an unsupervised explanation generator to the primary classifier network and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Tanmay Garg , Deepika Vemuri , Vineeth N Balasubramanian

This paper explores providing explainability for session-based recommendation (SR) by path reasoning. Current SR models emphasize accuracy but lack explainability, while traditional path reasoning prioritizes knowledge graph exploration,…

Information Retrieval · Computer Science 2024-03-05 Yang Cao , Shuo Shang , Jun Wang , Wei Zhang

Retrieval-Augmented Generation (RAG) improves factual grounding in large language models but suffers from substantial latency due to synchronous retrieval. While recent work explores asynchronous retrieval, existing approaches rely on…

Computation and Language · Computer Science 2026-05-19 Wuyang Zhang , Shichao Pei

Selecting a solution algorithm for the Facility Layout Problem (FLP), an NP-hard optimization problem with multiobjective trade-off, is a complex task that requires deep expert knowledge. The performance of a given algorithm depends on the…

Information Retrieval · Computer Science 2025-12-17 Nikhil N S , Bilal Muhammed , Soban Babu Beemaraj , Amol Dilip Joshi

Visual interactivity understanding within visual scenes presents a significant challenge in computer vision. Existing methods focus on complex interactivities while leveraging a simple relationship model. These methods, however, struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Trong-Thuan Nguyen , Pha Nguyen , Khoa Luu

Retrieval-Augmented Generation (RAG) systems often face limitations in specialized domains such as fintech, where domain-specific ontologies, dense terminology, and acronyms complicate effective retrieval and synthesis. This paper…

Artificial Intelligence · Computer Science 2025-10-30 Thomas Cook , Richard Osuagwu , Liman Tsatiashvili , Vrynsia Vrynsia , Koustav Ghosal , Maraim Masoud , Riccardo Mattivi

Most conversational recommendation approaches are either not explainable, or they require external user's knowledge for explaining or their explanations cannot be applied in real time due to computational limitations. In this work, we…

Artificial Intelligence · Computer Science 2021-03-23 Nikolaos Kondylidis , Jie Zou , Evangelos Kanoulas

Interpretable explanations for recommender systems and other machine learning models are crucial to gain user trust. Prior works that have focused on paths connecting users and items in a heterogeneous network have several limitations, such…

Machine Learning · Computer Science 2019-12-25 Azin Ghazimatin , Oana Balalau , Rishiraj Saha Roy , Gerhard Weikum

Climate decision making is constrained by the complexity and inaccessibility of key information within lengthy, technical, and multi-lingual documents. Generative AI technologies offer a promising route for improving the accessibility of…

Computation and Language · Computer Science 2024-11-01 Matyas Juhasz , Kalyan Dutia , Henry Franks , Conor Delahunty , Patrick Fawbert Mills , Harrison Pim

Recently, recommender systems play a pivotal role in alleviating the problem of information overload. Latent factor models have been widely used for recommendation. Most existing latent factor models mainly utilize the interaction…

Information Retrieval · Computer Science 2019-09-17 Chuan Shi , Xiaotian Han , Li Song , Xiao Wang , Senzhang Wang , Junping Du , Philip S. Yu