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Large language models have shown remarkable language processing and reasoning ability but are prone to hallucinate when asked about private data. Retrieval-augmented generation (RAG) retrieves relevant data that fit into an LLM's context…

机器学习 · 计算机科学 2025-11-13 Alfred Clemedtson , Borun Shi

The increasing amount of published scholarly articles, exceeding 2.5 million yearly, raises the challenge for researchers in following scientific progress. Integrating the contributions from scholarly articles into a novel type of cognitive…

数字图书馆 · 计算机科学 2024-09-12 Gollam Rabby , Sören Auer , Jennifer D'Souza , Allard Oelen

An effective and efficient review of construction contracts is essential for minimizing construction projects losses, but current methods are time-consuming and error-prone. Studies using methods based on Natural Language Processing (NLP)…

人工智能 · 计算机科学 2025-05-20 Chunmo Zheng , Saika Wong , Xing Su , Yinqiu Tang , Ahsan Nawaz , Mohamad Kassem

Graph models are fundamental to data analysis in domains rich with complex relationships. Text-to-Graph-Query-Language (Text-to-GQL) systems act as a translator, converting natural language into executable graph queries. This capability…

人工智能 · 计算机科学 2026-02-13 Songlin Lyu , Lujie Ban , Zihang Wu , Tianqi Luo , Jirong Liu , Chenhao Ma , Yuyu Luo , Nan Tang , Shipeng Qi , Heng Lin , Yongchao Liu , Chuntao Hong

Conversational Question Answering over Knowledge Graphs (KGs) combines the factual grounding of KG-based QA with the interactive nature of dialogue systems. KGs are widely used in enterprise and domain applications to provide structured,…

计算与语言 · 计算机科学 2025-11-27 Reham Omar , Abdelghny Orogat , Ibrahim Abdelaziz , Omij Mangukiya , Panos Kalnis , Essam Mansour

Inferring causal relationships between variable pairs is crucial for understanding multivariate interactions in complex systems. Knowledge-based causal discovery -- which involves inferring causal relationships by reasoning over the…

人工智能 · 计算机科学 2025-06-11 Yuni Susanti , Michael Färber

Recently decades have witnessed the empirical success of framing Knowledge Graph (KG) embeddings via language models. However, language model-based KG embeddings are usually deployed as static artifacts, making them difficult to modify…

计算与语言 · 计算机科学 2023-12-29 Siyuan Cheng , Ningyu Zhang , Bozhong Tian , Xi Chen , Qingbing Liu , Huajun Chen

Data augmentation is necessary for graph representation learning due to the scarcity and noise present in graph data. Most of the existing augmentation methods overlook the context information inherited from the dataset as they rely solely…

机器学习 · 计算机科学 2025-02-20 Yushi Feng , Tsai Hor Chan , Guosheng Yin , Lequan Yu

Knowledge Graphs (KGs) are a major asset for companies thanks to their great flexibility in data representation and their numerous applications, e.g., vocabulary sharing, Q/A or recommendation systems. To build a KG it is a common practice…

人工智能 · 计算机科学 2024-07-22 Lucas Jarnac , Yoan Chabot , Miguel Couceiro

The advent of Large Language Models (LLMs) has revolutionized natural language processing. However, these models face challenges in retrieving precise information from vast datasets. Retrieval-Augmented Generation (RAG) was developed to…

信息检索 · 计算机科学 2025-03-04 Yuxin Yang , Haoyang Wu , Tao Wang , Jia Yang , Hao Ma , Guojie Luo

Large Language Models (LLMs) excel in many natural language processing tasks but often exhibit factual inconsistencies in knowledge-intensive settings. Integrating external knowledge resources, particularly knowledge graphs (KGs), provides…

计算与语言 · 计算机科学 2026-02-17 Shuai Wang , Yinan Yu

The construction of attack technique knowledge graphs aims to transform various types of attack knowledge into structured representations for more effective attack procedure modeling. Existing methods typically rely on textual data, such as…

密码学与安全 · 计算机科学 2024-11-14 Jian Wang , Tiantian Zhu , Chunlin Xiong , Yan Chen

Current large language models (LLMs) excel at general NLP tasks but often lack domain specific precision in professional settings. Building a high quality domain specific multi turn dialogue dataset is essential for developing specialized…

人工智能 · 计算机科学 2025-08-05 Yuanyuan Liang , Xiaoman Wang , Tingyu Xie , Lei Pan

The advent of large language models (LLMs) has revolutionized the integration of knowledge graphs (KGs) in biomedical and cognitive sciences, overcoming limitations in traditional machine learning methods for capturing intricate semantic…

人工智能 · 计算机科学 2025-10-09 Ali Sarabadani , Kheirolah Rahsepar Fard

There has been a surge of interest in utilizing Knowledge Graphs (KGs) for various natural language processing/understanding tasks. The conventional mechanism to retrieve facts in KGs usually involves three steps: entity span detection,…

信息检索 · 计算机科学 2023-05-23 Jinheon Baek , Alham Fikri Aji , Jens Lehmann , Sung Ju Hwang

Knowledge graphs (KGs) are an important tool for representing complex relationships between entities in the biomedical domain. Several methods have been proposed for learning embeddings that can be used to predict new links in such graphs.…

人工智能 · 计算机科学 2026-05-12 Daniel Daza , Dimitrios Alivanistos , Payal Mitra , Thom Pijnenburg , Michael Cochez , Paul Groth

In a conversational system, dynamically generating follow-up questions based on context can help users explore information and provide a better user experience. Humans are usually able to ask questions that involve some general life…

人工智能 · 计算机科学 2025-06-30 Jianyu Liu , Yi Huang , Sheng Bi , Junlan Feng , Guilin Qi

Large language models (LLMs) have demonstrated remarkable success across a wide range of tasks; however, they still encounter challenges in reasoning tasks that require understanding and inferring relationships between distinct pieces of…

计算与语言 · 计算机科学 2025-01-15 Haoyu Han , Yaochen Xie , Hui Liu , Xianfeng Tang , Sreyashi Nag , William Headden , Hui Liu , Yang Li , Chen Luo , Shuiwang Ji , Qi He , Jiliang Tang

Electronic Health Records (EHRs) and routine documentation practices play a vital role in patients' daily care, providing a holistic record of health, diagnoses, and treatment. However, complex and verbose EHR narratives overload healthcare…

In pace with developments in the research field of artificial intelligence, knowledge graphs (KGs) have attracted a surge of interest from both academia and industry. As a representation of semantic relations between entities, KGs have…

计算与语言 · 计算机科学 2022-10-04 Phillip Schneider , Tim Schopf , Juraj Vladika , Mikhail Galkin , Elena Simperl , Florian Matthes