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Conversational question answering (ConvQA) is a convenient means of searching over RDF knowledge graphs (KGs), where a prevalent approach is to translate natural language questions to SPARQL queries. However, SPARQL has certain…

With the development of deep learning techniques and large scale datasets, the question answering (QA) systems have been quickly improved, providing more accurate and satisfying answers. However, current QA systems either focus on the…

计算与语言 · 计算机科学 2021-01-19 Bingning Wang , Ting Yao , Weipeng Chen , Jingfang Xu , Xiaochuan Wang

Nowadays, the importance of software with natural-language user interfaces cannot be underestimated. In particular, in Question Answering (QA) systems, generating a SPARQL query for a given natural-language question (often named Query…

信息检索 · 计算机科学 2025-07-21 Aleksandr Gashkov , Aleksandr Perevalov , Maria Eltsova , Andreas Both

Electronic Medical Records (EMRs), while integral to modern healthcare, present challenges for clinical reasoning and diagnosis due to their complexity and information redundancy. To address this, we proposed medIKAL (Integrating Knowledge…

计算与语言 · 计算机科学 2025-02-18 Mingyi Jia , Junwen Duan , Yan Song , Jianxin Wang

Effective modeling of electronic health records (EHR) is rapidly becoming an important topic in both academia and industry. A recent study showed that using the graphical structure underlying EHR data (e.g. relationship between diagnoses…

机器学习 · 计算机科学 2020-01-22 Edward Choi , Zhen Xu , Yujia Li , Michael W. Dusenberry , Gerardo Flores , Yuan Xue , Andrew M. Dai

This paper presents a scholarly Knowledge Graph Question Answering (KGQA) that answers bibliographic natural language questions by leveraging a large language model (LLM) in a few-shot manner. The model initially identifies the top-n…

计算与语言 · 计算机科学 2023-11-17 Tilahun Abedissa Taffa , Ricardo Usbeck

We introduce a Retrieval-Augmented Generation (RAG) system for translating user questions into accurate federated SPARQL queries over bioinformatics knowledge graphs (KGs) leveraging Large Language Models (LLMs). To enhance accuracy and…

The rapid growth of electronic health record (EHR) datasets opens up promising opportunities to understand human diseases in a systematic way. However, effective extraction of clinical knowledge from the EHR data has been hindered by its…

机器学习 · 计算机科学 2022-06-06 Yuesong Zou , Ahmad Pesaranghader , Aman Verma , David Buckeridge , Yue Li

Electronic health records (EHR) contain extensive structured and unstructured data, including tabular information and free-text clinical notes. Querying relevant patient information often requires complex database operations, increasing the…

信息检索 · 计算机科学 2025-11-27 Mengliang ZHang

In recent years, scholarly data has grown dramatically in terms of both scale and complexity. It becomes increasingly challenging to retrieve information from scholarly knowledge graphs that include large-scale heterogeneous relationships,…

计算与语言 · 计算机科学 2023-11-15 Ruijie Wang , Zhiruo Zhang , Luca Rossetto , Florian Ruosch , Abraham Bernstein

Clinical semantic parsing (SP) is an important step toward identifying the exact information need (as a machine-understandable logical form) from a natural language query aimed at retrieving information from electronic health records…

计算与语言 · 计算机科学 2022-11-10 Sarvesh Soni , Kirk Roberts

Electronic medical records contain multi-format electronic medical data that consist of an abundance of medical knowledge. Facing with patient's symptoms, experienced caregivers make right medical decisions based on their professional…

数据库 · 计算机科学 2017-07-25 Meng Wang , Jiaheng Zhang , Jun Liu , Wei Hu , Sen Wang , Xue Li , Wenqiang Liu

Question answering (QA) aims to understand questions and find appropriate answers. In real-world QA systems, Frequently Asked Question (FAQ) based QA is usually a practical and effective solution, especially for some complicated questions…

计算与语言 · 计算机科学 2020-10-23 Ruobing Xie , Yanan Lu , Fen Lin , Leyu Lin

Healthcare systems continuously generate vast amounts of electronic health records (EHRs), commonly stored in the Fast Healthcare Interoperability Resources (FHIR) standard. Despite the wealth of information in these records, their…

计算与语言 · 计算机科学 2025-01-24 Sara Kothari , Ayush Gupta

Patients have distinct information needs about their hospitalization that can be addressed using clinical evidence from electronic health records (EHRs). While artificial intelligence (AI) systems show promise in meeting these needs, robust…

计算与语言 · 计算机科学 2026-03-31 Sarvesh Soni , Dina Demner-Fushman

Electronic medical records (EMR) contain comprehensive patient information and are typically stored in a relational database with multiple tables. Effective and efficient patient information retrieval from EMR data is a challenging task for…

计算与语言 · 计算机科学 2020-01-31 Ping Wang , Tian Shi , Chandan K. Reddy

In this paper, we introduce EHR-SeqSQL, a novel sequential text-to-SQL dataset for Electronic Health Record (EHR) databases. EHR-SeqSQL is designed to address critical yet underexplored aspects in text-to-SQL parsing: interactivity,…

计算与语言 · 计算机科学 2024-07-31 Jaehee Ryu , Seonhee Cho , Gyubok Lee , Edward Choi

We propose a new approach for generating SPARQL queries on RDF knowledge graphs from natural language questions or keyword queries, using a large language model. Our approach does not require fine-tuning. Instead, it uses the language model…

计算与语言 · 计算机科学 2026-01-12 Sebastian Walter , Hannah Bast

Due to the increasing adoption of electronic health records (EHR), large scale EHRs have become another rich data source for translational clinical research. Despite its potential, deriving generalizable knowledge from EHR data remains…

机器学习 · 统计学 2023-06-01 Junwei Lu , Jin Yin , Tianxi Cai

Electrocardiography (ECG) offers critical cardiovascular insights, such as identifying arrhythmias and myocardial ischemia, but enabling automated systems to answer complex clinical questions directly from ECG signals (ECG-QA) remains a…

信号处理 · 电气工程与系统科学 2025-05-13 Hung Manh Pham , Jialu Tang , Aaqib Saeed , Dong Ma