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Reasoning over knowledge graphs (KGs) is a challenging task that requires a deep understanding of the complex relationships between entities and the underlying logic of their relations. Current approaches rely on learning geometries to…

Logic in Computer Science · Computer Science 2024-04-02 Nurendra Choudhary , Chandan K. Reddy

Despite recent advancements in domain adaptation techniques for large language models, these methods remain computationally intensive, and the resulting models can still exhibit hallucination issues. Most existing adaptation methods do not…

Computation and Language · Computer Science 2025-05-28 Bogdan Bogachov , Yaoyao Fiona Zhao

Knowledge Graph Question Answering (KGQA) aims to answer user questions by reasoning over Knowledge Graphs (KGs). Recent KGQA methods mainly follow the retrieval-augmented generation paradigm to ground Large Language Models~(LLMs) with…

Artificial Intelligence · Computer Science 2026-05-12 Shengxiang Gao , Chao Lei , Jey Han Lau , Jianzhong Qi

Large Language Models (LLMs) often struggle with producing factually consistent answers due to limitations in their parametric memory. Retrieval-Augmented Generation (RAG) paradigms mitigate this issue by incorporating external knowledge at…

Computation and Language · Computer Science 2026-05-05 Shanglin Wu , Lihui Liu , Jinho D. Choi , Kai Shu

Since individuals may struggle to recall all life details and often confuse events, establishing a system to assist users in recalling forgotten experiences is essential. While numerous studies have proposed memory recall systems, these…

Computation and Language · Computer Science 2026-02-26 Chia Cheng Chang , An-Zi Yen , Hen-Hsen Huang , Hsin-Hsi Chen

The generation of questions and answers (QA) from knowledge graphs (KG) plays a crucial role in the development and testing of educational platforms, dissemination tools, and large language models (LLM). However, existing approaches often…

Computation and Language · Computer Science 2025-11-17 Sania Nayab , Marco Simoni , Giulio Rossolini , Andrea Saracino

Biomedical datasets are often modeled as knowledge graphs (KGs) because they capture the multi-relational, heterogeneous, and dynamic natures of biomedical systems. KG completion (KGC), can, therefore, help researchers make predictions to…

Artificial Intelligence · Computer Science 2023-07-18 Lauren Nicole DeLong , Ramon Fernández Mir , Zonglin Ji , Fiona Niamh Coulter Smith , Jacques D. Fleuriot

Clinical predictive models often rely on patients' electronic health records (EHR), but integrating medical knowledge to enhance predictions and decision-making is challenging. This is because personalized predictions require personalized…

Artificial Intelligence · Computer Science 2024-01-19 Pengcheng Jiang , Cao Xiao , Adam Cross , Jimeng Sun

Large language models (LLMs) have recently been adopted for recommendations due to their ability to understand user intent and item semantics. However, LLM-based recommender systems often rely on parametric knowledge and suffer from…

Information Retrieval · Computer Science 2026-05-28 Shijie Wang , Chengyi Liu , Yujuan Ding , Shanru Lin , See-Kiong Ng , Xu Xin , Wenqi Fan

Knowledge graphs have emerged as a popular method for injecting up-to-date, factual knowledge into large language models (LLMs). This is typically achieved by converting the knowledge graph into text that the LLM can process in context.…

Computation and Language · Computer Science 2025-04-10 Elan Markowitz , Krupa Galiya , Greg Ver Steeg , Aram Galstyan

The scarcity of high-quality knowledge graphs (KGs) remains a critical bottleneck for downstream AI applications, as existing extraction methods rely heavily on error-prone pattern-matching techniques or resource-intensive large language…

Computation and Language · Computer Science 2025-10-28 Teng Lin

Knowledge graph (KG), which contains rich side information, becomes an essential part to boost the recommendation performance and improve its explainability. However, existing knowledge-aware recommendation methods directly perform…

Information Retrieval · Computer Science 2023-05-01 Xinjun Zhu , Yuntao Du , Yuren Mao , Lu Chen , Yujia Hu , Yunjun Gao

Knowledge Graphs (KGs) enhance recommender systems but face challenges from inherent noise, sparsity, and Euclidean geometry's inadequacy for complex relational structures, critically impairing representation learning, especially for…

Information Retrieval · Computer Science 2025-11-20 Binhao Wang , Yutian Xiao , Maolin Wang , Zhiqi Li , Tianshuo Wei , Ruocheng Guo , Xiangyu Zhao

Knowledge Graphs (KGs) extracted from text sources are often noisy and lead to poor performance in downstream application tasks such as KG-based question answering.While much of the recent activity is focused on addressing the sparsity of…

Artificial Intelligence · Computer Science 2020-06-09 Siddhant Arora , Srikanta Bedathur , Maya Ramanath , Deepak Sharma

Large language models (LLMs) have shown great potential in story generation, but challenges remain in maintaining long-form coherence and effective, user-friendly control. Retrieval-augmented generation (RAG) has proven effective in…

Computation and Language · Computer Science 2026-01-12 Zhijun Pan , Antonios Andronis , Eva Hayek , Oscar AP Wilkinson , Ilya Lasy , Annette Parry , Guy Gadney , Tim J. Smith , Mick Grierson

Session-based recommendation systems (SBRS) aim to capture user's short-term intent from interaction sequences. However, the common assumption of anonymous sessions limits personalization, particularly under sparse or cold-start conditions.…

Information Retrieval · Computer Science 2026-04-15 Muskan Gupta , Suraj Thapa , Jyotsana Khatri

Large language models (LLMs) have shown remarkable generalization capability with exceptional performance in various language modeling tasks. However, they still exhibit inherent limitations in precisely capturing and returning grounded…

Computation and Language · Computer Science 2024-01-01 Yijun Tian , Huan Song , Zichen Wang , Haozhu Wang , Ziqing Hu , Fang Wang , Nitesh V. Chawla , Panpan Xu

In the contemporary age characterized by information abundance, rapid advancements in artificial intelligence have rendered recommendation systems indispensable. Conventional recommendation methodologies based on collaborative filtering or…

Information Retrieval · Computer Science 2025-09-04 Yu Fang

The risks posed by AI features are increasing as they are rapidly integrated into software applications. In response, regulations and standards for safe and secure AI have been proposed. In this paper, we present an agentic framework that…

Artificial Intelligence · Computer Science 2026-05-01 Wilder Baldwin , Sepideh Ghanavati

Temporal Knowledge Graphs (TKGs) represent dynamic facts as timestamped relations between entities. TKG completion involves forecasting missing or future links, requiring models to reason over time-evolving structure. While LLMs show…

Machine Learning · Computer Science 2025-05-26 Ömer Faruk Akgül , Feiyu Zhu , Yuxin Yang , Rajgopal Kannan , Viktor Prasanna