Skip to Content
You are currently on the new version of our website. Access the old version .

3,812 Results Found

  • Article
  • Open Access
2,360 Views
28 Pages

Efficient Private Information Retrieval Scheme with Dynamic Database

  • Xin Li,
  • Wenju Xu,
  • Dianhua Tang,
  • Yunfei Cao and ,
  • Jing Zhang and
  • Wei Zhao
  • + 1 author+ 0 author

29 August 2025

Private information retrieval (PIR) is a typical application scenario of encrypted computing, which allows users to retrieve data from a database by providing only an encrypted index. In an academic research scenario, multiple parties may entrust the...

(This article belongs to the Special Issue Advancements in Network and Data Security)
  • Article
  • Open Access
8 Citations
3,809 Views
14 Pages

As multimedia technology has advanced in recent years, the use of enormous image libraries has dramatically expanded. In applications for image processing, image retrieval has emerged as a crucial technique. Content-based face image retrieval is a we...

(This article belongs to the Section Artificial Intelligence)
  • Article
  • Open Access
16 Citations
5,724 Views
15 Pages

2 February 2021

In this paper we present T1K+, a very large, heterogeneous database of high-quality texture images acquired under variable conditions. T1K+ contains 1129 classes of textures ranging from natural subjects to food, textile samples, construction materia...

(This article belongs to the Special Issue Intelligent Sensors and Computer Vision)
  • Article
  • Open Access
10 Citations
5,233 Views
37 Pages

6 April 2023

The complexity and age of industrial plants have prompted a rapid increase in equipment maintenance and replacement activities in recent years. Consequently, plant owners are challenged to reduce the process and review time of equipment purchase orde...

(This article belongs to the Section Green Building)
  • Article
  • Open Access
618 Views
33 Pages

Nevermore: Target-Conditioned Protein–Ligand Representation Learning for Multi-Objective Lead Optimization with Database-Grounded Retrieval

  • Mohammad Saleh Refahi,
  • Milad Toutounchian,
  • Bahrad A. Sokhansanj,
  • Hyunwoo Yoo and ,
  • James R. Brown,
  • Hai-Feng Ji and
  • Gail L. Rosen
  • + 2 authors+ 0 author

21 June 2026

Recently, there has been great interest in AI-based approaches for de novo design of novel drug candidates. However, the generation of useful lead drug candidate compounds requires more than predicting engagement with the desired protein target. Cand...

(This article belongs to the Special Issue AI-Driven Innovations in NanoBioTech: From Molecular Mechanisms to Engineering Applications)
  • Proceeding Paper
  • Open Access
350 Views
13 Pages

16 September 2026

Retrieval-augmented generation (RAG) is increasingly used in enterprise environments to support large language models with access to internal databases and knowledge sources. However, such integration introduces privacy risks related to retrieval lea...

(This article belongs to the Proceedings of The International Conference on Electronics, Engineering Physics and Earth Science (EEPES2026))
  • Article
  • Open Access
14 Citations
7,132 Views
23 Pages

6 September 2024

This study introduces a novel approach to personalized information retrieval by integrating retrieval augmentation generation (RAG) with a personalized database system. Recent advancements in large language models (LLMs) have shown impressive text ge...

(This article belongs to the Special Issue Applications, Challenges and Future Direction of Natural Language Processing Based on Deep Learning)
  • Article
  • Open Access
1 Citations
886 Views
26 Pages

25 February 2026

Educational platforms increasingly rely on vector databases to store and retrieve embedding representations of large-scale learning corpora (e.g., lecture notes, assignments, feedback, and student Q&A) for retrieval-augmented generation and analy...

(This article belongs to the Special Issue Security and Privacy in Distributed Machine Learning)
  • Article
  • Open Access
2 Citations
3,928 Views
13 Pages

Using Vector Databases for the Selection of Related Occupations: An Empirical Evaluation Using O*NET

  • Lino Gonzalez-Garcia,
  • Miguel-Angel Sicilia and
  • Elena García-Barriocanal

Career planning agencies and other organizations can help workers if they are able to effectively identify related occupations that are relevant to the task at hand. Occupational knowledge bases such as O*NET and ESCO represent mature attempts to cat...

(This article belongs to the Special Issue Application of Semantic Technologies in Intelligent Environment)
  • Article
  • Open Access
2 Citations
2,801 Views
20 Pages

Design and Evaluation of a Retrieval-Augmented Generation LLM Chatbot with Structured Database Access

  • Juan Burbano,
  • Pablo Landeta-López,
  • Cathy Guevara-Vega and
  • Antonio Quiña-Mera

25 March 2026

Context. The grocery sector is undergoing a massive shift in consumer behavior, with global chatbot usage projected to reach 8.4 billion units by 2024—surpassing the total human population—and online grocery revenue per shopper expected t...

(This article belongs to the Special Issue Advancements in Large Language Models Applied in Multidisciplinary Research Contexts)
  • Feature Paper
  • Article
  • Open Access
6 Citations
5,345 Views
34 Pages

26 May 2025

This preliminary study covers the construction and application of a Graph-based Retrieval-Augmented Generation (GraphRAG) system integrating a multimodal LLM, Large Language and Vision Assistant (LLaVA) with graph database software (Neo4j) to enhance...

(This article belongs to the Special Issue Feature Papers in Smart Sensing and Intelligent Sensors 2025)
  • Article
  • Open Access
11 Citations
4,716 Views
20 Pages

A High-Accuracy Indoor-Positioning Method with Automated RGB-D Image Database Construction

  • Runzhi Wang,
  • Wenhui Wan,
  • Kaichang Di,
  • Ruilin Chen and
  • Xiaoxue Feng

1 November 2019

High-accuracy indoor positioning is a prerequisite to satisfy the increasing demands of position-based services in complex indoor scenes. Current indoor visual-positioning methods mainly include image retrieval-based methods, visual landmarks-based m...

(This article belongs to the Special Issue Mobile Mapping Technologies)
  • Article
  • Open Access
1,135 Views
30 Pages

19 February 2026

Large language models (LLMs) with the Transformer architecture as the core have made significant progress in the field of natural language processing, and their application value in English teaching has also attracted much attention. In tasks such as...

  • Article
  • Open Access
3 Citations
2,500 Views
19 Pages

25 October 2024

Large language models (LLMs) have exhibited remarkable performance on various natural language processing (NLP) tasks, particularly in the construction of the intelligent question-answering system. These systems, especially in specialized fields, usu...

(This article belongs to the Special Issue Advances in Data-Driven Artificial Intelligence)
  • Article
  • Open Access
893 Views
26 Pages

A Multimodal Model- and Retrieval-Guided Framework for BIM Model Cost Estimation

  • Hassan Al-Derham,
  • Ruchika Jagannath Chaudhari,
  • Lu Gao and
  • Ahmed Senouci

BIM model-based construction cost estimation requires reliable linkage between model-derived building information and estimator-facing cost records. However, BIM models and structured cost databases use different descriptive logics: BIM model data pr...

(This article belongs to the Special Issue Digital Technologies in Construction and Built Environment)
  • Article
  • Open Access
4 Citations
2,497 Views
20 Pages

Improving HJ-1B/IRS LST Retrieval of the Generalized Single-Channel Algorithm with Refined ERA5 Atmospheric Profile Database

  • Guoqin Zhang,
  • Dacheng Li,
  • Hua Li,
  • Zhaopeng Xu and ,
  • Zhiheng Hu,
  • Jian Zeng,
  • Yi Yang and
  • Hui Jia
  • + 3 authors+ 0 author

24 October 2023

Land surface temperature (LST) is a fundamental variable of environmental monitoring and surface equilibrium. Although the HJ-1B infrared scanner (IRS) has accumulated many observations, further application of HJ-1B/IRS is limited by the lack of LST...

(This article belongs to the Special Issue Advances in Thermal Infrared Remote Sensing)
  • Article
  • Open Access
24 Citations
5,662 Views
22 Pages

In geographic information science, semantic relatedness is important for Geographic Information Retrieval (GIR), Linked Geospatial Data, geoparsing, and geo-semantics. But computing the semantic similarity/relatedness of geographic terminology is sti...

  • Article
  • Open Access
853 Views
35 Pages

GRASP: Graph-Enhanced Retrieval for Accurate Schema Pruning in Text-to-SQL

  • Xiangjun Cheng,
  • Hongmei Zhang,
  • Chao Li and
  • Sining Xu

Recent advances in land system research depend heavily on efficient access to large-scale, multi-source remote sensing spatiotemporal databases. Although Text-to-SQL provides natural language interfaces, the scale and spatial complexity of remote sen...

(This article belongs to the Special Issue LLM4GIS: Large Language Models for GIS)
  • Article
  • Open Access
5 Citations
2,863 Views
23 Pages

23 July 2025

This work presents the development of NOVA, an educational virtual assistant designed for the Parallel Computing course, built using a Retrieval-Augmented Generation (RAG) architecture combined with Large Language Models (LLMs). The assistant operate...

  • Article
  • Open Access
85 Views
53 Pages

KÁIXAR: A Horizontal Fragmentation Method for Medical Databases Considering DICOM Data and Content-Based Queries

  • Jhonatan Barroso-García,
  • Lisbeth Rodríguez-Mazahua,
  • Felipe Castro-Medina,
  • Asdrúbal López-Chau and ,
  • Giner Alor-Hernández and
  • José Antonio Palet-Guzmán
  • + 1 author+ 0 author

2 November 2026

The accelerated growth of medical databases, particularly those storing images in DICOM (Digital Imaging and Communications in Medicine) format, has increased the need for efficient strategies to optimize the retrieval and querying of medical informa...

(This article belongs to the Special Issue Computer Architecture & Parallel and Distributed Computing, 2nd Edition)
  • Article
  • Open Access
5 Citations
3,827 Views
32 Pages

6 January 2026

In today’s world, where the volume and variety of data are increasing at an extraordinary rate, extracting meaningful insights from data is of critical importance; however, the complexity of standard database query languages makes it difficult...

(This article belongs to the Special Issue AI-Based Data Science and Database Systems)
  • Proceeding Paper
  • Open Access

5 November 2026

Generative artificial intelligence-based chatbot systems are increasingly used to support information provision and customer service processes; however, their reliability strongly depends on the underlying architecture and the availability of domain-...

(This article belongs to the Proceedings of The Sustainable Mobility and Transportation Symposium 2026)
  • Article
  • Open Access
9 Citations
7,392 Views
12 Pages

Online Database for Retrieval Information about Prebiotics and Their Activity

  • Elena Guseva,
  • Boris Karetkin,
  • Diana Batyrgazieva,
  • Natalia Menshutina and
  • Victor Panfilov

11 May 2020

The number of studies aimed at proving the prebiotic properties of certain substances or compositions has been actively increasing, which has led to a large accumulation of scientific information that is fragmented and not systematized. Moreover, a n...

(This article belongs to the Special Issue Bioactive Compounds from Various Sources: Beneficial Effects and Technological Applications)
  • Article
  • Open Access
17 Citations
8,484 Views
24 Pages

21 June 2016

A comprehensive spectral-biogeochemical database was developed for the Wabash River and the Tippecanoe River in Indiana, United States. This database includes spectral measurements of river water, coincident in situ measurements of water quality para...

  • Article
  • Open Access
4 Citations
4,355 Views
20 Pages

Movement-Oriented Objectified Organization and Retrieval Approach for Heterogeneous GeoVideo Data

  • Chen Wu,
  • Qing Zhu,
  • Yeting Zhang,
  • Xiao Xie and ,
  • Han Qin,
  • Yan Zhou,
  • Pengcheng Zhang and
  • Weijun Yang
  • + 3 authors+ 0 author

With the wide deployment of the video sensor network and the rapid development of video spatialization technology, the large volume of complex GeoVideo data necessitates improvements in the application efficiency of the GeoVideo database and GeoVideo...

  • Article
  • Open Access
8 Citations
9,422 Views
30 Pages

RAGMed: A RAG-Based Medical AI Assistant for Improving Healthcare Delivery

  • Rajvardhan Patil,
  • Manideep Abbidi and
  • Sherri Fannon

24 September 2025

Electronic Health Records (EHRs) have enhanced access to medical information but have also introduced challenges for healthcare providers, such as increased documentation workload and reduced face-to-face interaction with patients. To mitigate these...

(This article belongs to the Section Medical & Healthcare AI)
  • Article
  • Open Access
6 Citations
4,014 Views
15 Pages

A Comprehensive Study of Geochemical Data Storage Performance Based on Different Management Methods

  • Yinyi Cheng,
  • Kefa Zhou,
  • Jinlin Wang,
  • Philippe De Maeyer and ,
  • Tim Van de Voorde,
  • Jining Yan and
  • Shichao Cui
  • + 2 authors+ 0 author

13 August 2021

The spatial calculation of vector data is crucial for geochemical analysis in geological big data. However, large volumes of geochemical data make for inefficient management. Therefore, this study proposed a shapefile storage method based on MongoDB...

(This article belongs to the Special Issue Internet of Things (IoT) Remote Sensing)
  • Opinion
  • Open Access
1,379 Views
6 Pages

Literature reviews are essential for synthesizing existing knowledge, mapping research domains, identifying intellectual structures, and highlighting research gaps within a field. However, many literature reviews are incomplete because database searc...

(This article belongs to the Special Issue AI in Academic Metrics and Impact Analysis)
  • Article
  • Open Access
9 Citations
6,218 Views
20 Pages

An Original Application of Image Recognition Based Location in Complex Indoor Environments

  • Filiberto Chiabrando,
  • Vincenzo Di Pietra,
  • Andrea Lingua,
  • Youngsu Cho and
  • Juil Jeon

This paper describes the first results of an image recognition based location (IRBL) for a mobile application focusing on the procedure to generate a database of range images (RGB-D). In an indoor environment, to estimate the camera position and orie...

  • Article
  • Open Access
4 Citations
6,879 Views
17 Pages

28 January 2016

In determining position and attitude, vision navigation via real-time image processing of data collected from imaging sensors is advanced without a high-performance global positioning system (GPS) and an inertial measurement unit (IMU). Vision naviga...

(This article belongs to the Special Issue Sensors for Robots)
  • Article
  • Open Access
7 Citations
3,032 Views
17 Pages

Establishment of Technical Standard Database for Surface Engineering Construction of Oil and Gas Field

  • Taiwu Xia,
  • Zhixiang Dai,
  • Zhan Huang,
  • Li Liu and ,
  • Ming Luo,
  • Feng Wang,
  • Wei Zhang,
  • Dan Zhou and
  • Jun Zhou
  • + 4 authors+ 0 author

26 September 2023

In recent years, oil and gas field surface engineering construction projects tend to be large in scale, large in quantity, and short in cycle. The task of surface construction management has increased significantly. In the process of project construc...

(This article belongs to the Special Issue Geological and Engineering Problems in the Development of Unconventional Oil and Gas Reservoirs)
  • Article
  • Open Access
9 Citations
3,352 Views
30 Pages

Leveraging Retrieval-Augmented Generation for Automated Smart Home Orchestration

  • Negin Jahanbakhsh,
  • Mario Vega-Barbas,
  • Iván Pau,
  • Lucas Elvira-Martín and ,
  • Hirad Moosavi and
  • Carolina García-Vázquez
  • + 1 author+ 0 author

29 April 2025

The rapid growth of smart home technologies, driven by the expansion of the Internet of Things (IoT), has introduced both opportunities and challenges in automating daily routines and orchestrating device interactions. Traditional rule-based automati...

(This article belongs to the Special Issue Joint Design and Integration in Smart IoT Systems)
  • Review
  • Open Access

AI-Assisted Molecular Structure Prediction from Tandem Mass Spectra: Reliability and Validation

  • Jun Sang Yu,
  • Sung Hue Jeong,
  • Yejin Kim,
  • Dong Keun Lee and
  • Hye Hyun Yoo

8 November 2026

Artificial intelligence (AI) has broadened the interpretation of tandem mass spectra (MS/MS) beyond experimental library matching, enabling molecular fingerprint prediction, candidate ranking, and generation of previously unlisted structures. Yet the...

(This article belongs to the Special Issue Machine Learning Applications in Bioinformatics and Biomedicine: 4th Edition)
  • Article
  • Open Access
5 Citations
1,264 Views
26 Pages

A Generative AI–Based Technical Data Extraction Tool for IoT Application Systems

  • Dezheng Kong,
  • Nobuo Funabiki,
  • Htoo Htoo Sandi Kyaw,
  • I Nyoman Darma Kotama and ,
  • Zihao Zhu and
  • Alfiandi Aulia Rahmadani
  • + 1 author+ 0 author

7 February 2026

Nowadays, Internet of Things (IoT) application systems play an essential role in smart cities, industry, healthcare, agriculture, and smart homes. For non-expert users, designing and implementing IoT application systems remains challenging, especiall...

(This article belongs to the Collection Artificial Intelligence in Sensors Technology)
  • Article
  • Open Access
2 Citations
2,463 Views
15 Pages

A Scalable and Low-Cost Mobile RAG Architecture for AI-Augmented Learning in Higher Education

  • Rodolfo Bojorque,
  • Andrea Plaza,
  • Pilar Morquecho and
  • Fernando Moscoso

17 January 2026

This paper presents a scalable and low-cost Retrieval Augmented Generation (RAG) architecture designed to enhance learning in university-level courses, with a particular focus on supporting students from economically disadvantaged backgrounds. Recent...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
7 Citations
6,330 Views
19 Pages

10 October 2025

With the increasing popularity of large language models (LLMs), retrieval-augmented generation (RAG) systems are gaining importance, enabling the use of internal company data to generate precise and relevant responses. The aim of this study was to de...

  • Feature Paper
  • Article
  • Open Access
21 Citations
4,406 Views
17 Pages

The Capacity of Private Information Retrieval from Decentralized Uncoded Caching Databases

  • Yi-Peng Wei,
  • Batuhan Arasli,
  • Karim Banawan and
  • Sennur Ulukus

28 November 2019

We consider the private information retrieval (PIR) problem from decentralized uncoded caching databases. There are two phases in our problem setting, a caching phase, and a retrieval phase. In the caching phase, a data center containing all the K fi...

(This article belongs to the Section Information Processes)
  • Article
  • Open Access
7 Citations
4,006 Views
12 Pages

27 August 2025

The rapid advancement of AI technologies and the emergence of large language models (LLMs) such as ChatGPT have facilitated the integration of intelligent question-answering systems into education. However, students often hesitate to ask questions, w...

(This article belongs to the Special Issue Big Data Analytics and Information Technology for Smart Cities and Citizen Wellbeing)
  • Article
  • Open Access
2 Citations
2,150 Views
18 Pages

Domain-Specialized Large Language Model for Corrosion Analysis: Construction and Evaluation of Corr-Lora-RAG

  • Weitong Wu,
  • Di Xu,
  • Liangan Liu,
  • Bingqin Wang and ,
  • Yadi Zhao,
  • Xuequn Cheng and
  • Xiaogang Li
  • + 2 authors+ 0 author

21 August 2025

This study proposes a large language model, Corr-Lora-RAG, designed to address the complexity and uncertainty inherent in corrosion data. A dedicated corrosion knowledge database (CKD) was constructed, and dataset generation code was provided to enha...

(This article belongs to the Topic Advanced Development and Applications of AI-Generated Content (AIGC))
  • Article
  • Open Access
4 Citations
5,140 Views
19 Pages

Guidance for Clinical Evaluation under the Medical Device Regulation through Automated Scoping Searches

  • Fu-Sung Kim-Benjamin Tang,
  • Mark Bukowski,
  • Thomas Schmitz-Rode and
  • Robert Farkas

28 June 2023

The Medical Device Regulation (MDR) in Europe aims to improve patient safety by increasing requirements, particularly for the clinical evaluation of medical devices. Before the clinical evaluation is initiated, a first literature review of existing c...

(This article belongs to the Section Biomedical Engineering)
  • Article
  • Open Access
6 Citations
3,860 Views
38 Pages

20 January 2021

Current intelligent information systems require complex database approaches managing and monitoring data in a spatio-temporal manner. Many times, the core of the temporal system element is created on the relational platform. In this paper, a summary...

(This article belongs to the Collection Intelligence Systems and Sensors II)
  • Article
  • Open Access
23 Citations
7,908 Views
19 Pages

A Physically Constrained Calibration Database for Land Surface Temperature Using Infrared Retrieval Algorithms

  • João P. A. Martins,
  • Isabel F. Trigo,
  • Virgílio A. Bento and
  • Carlos Da Camara

28 September 2016

Land surface temperature (LST) is routinely retrieved from remote sensing instruments using semi-empirical relationships between top of atmosphere (TOA) radiances and LST, using ancillary data such as total column water vapor or emissivity. These alg...

  • Article
  • Open Access
2 Citations
4,759 Views
20 Pages

3 September 2020

Evaluation of document classification is straightforward if complete information on the documents’ true categories exists. In this case, the rank of each document can be accurately determined and evaluated. However, in an unsupervised setting,...

(This article belongs to the Section Information Processes)
  • Article
  • Open Access
25 Citations
9,741 Views
21 Pages

Digitalisation has opened a wealth of new data opportunities by revolutionizing how images are captured. Although the cost of data generation is no longer a major concern, the data management and processing have become a bottleneck. Any successful vi...

  • Article
  • Open Access
5 Citations
3,196 Views
14 Pages

The Effect of Training Data Size on Disaster Classification from Twitter

  • Dimitrios Effrosynidis,
  • Georgios Sylaios and
  • Avi Arampatzis

In the realm of disaster-related tweet classification, this study presents a comprehensive analysis of various machine learning algorithms, shedding light on crucial factors influencing algorithm performance. The exceptional efficacy of simpler model...

  • Article
  • Open Access
8 Citations
4,056 Views
29 Pages

Blind Queries Applied to JSON Document Stores

  • Stefania Marrara,
  • Mauro Pelucchi and
  • Giuseppe Psaila

21 September 2019

Social Media, Web Portals and, in general, information systems offer their own Application Programming Interfaces (APIs), used to provide large data sets concerning every aspect of day-by-day life. APIs usually provide data sets as collections of JSO...

  • Article
  • Open Access
4 Citations
3,038 Views
15 Pages

Transcription Factors in Aureobasidium spp.: Classification, Regulation and a Newly Built Database

  • Guang Yang,
  • Yuhan Wang,
  • Yaowei Fang,
  • Hongjuan Mo and ,
  • Zhihong Hu,
  • Xiaoyue Hou,
  • Shu Liu,
  • Zhongwei Chen and
  • Shulei Jia
  • + 4 authors+ 0 author

17 October 2022

Transcription factors (TFs) can regulate the synthesis of secondary metabolites through different metabolic pathways in Aureobasidium spp. In this study, a set of 16 superfamilies, 45 PFAM families of TFs with the DNA-binding domains, seven zinc fing...

  • Article
  • Open Access
8 Citations
4,705 Views
22 Pages

From Fact Drafts to Operational Systems: Semantic Search in Legal Decisions Using Fact Drafts

  • Gergely Márk Csányi,
  • Dorina Lakatos,
  • István Üveges,
  • Andrea Megyeri and ,
  • János Pál Vadász,
  • Dániel Nagy and
  • Renátó Vági
  • + 2 authors+ 0 author

This research paper presents findings from an investigation in the semantic similarity search task within the legal domain, using a corpus of 1172 Hungarian court decisions. The study establishes the groundwork for an operational semantic similarity...

  • Article
  • Open Access
7 Citations
5,520 Views
21 Pages

Social media is now regarded as the most valuable source of data for trend analysis and innovative business process reengineering preferences. Data made accessible through social media can be utilized for a variety of purposes, such as by an entrepre...

  • Article
  • Open Access
12 Citations
4,670 Views
16 Pages

Development of an Intelligent Coal Production and Operation Platform Based on a Real-Time Data Warehouse and AI Model

  • Yongtao Wang,
  • Yinhui Feng,
  • Chengfeng Xi,
  • Bochao Wang and ,
  • Bo Tang and
  • Yanzhao Geng
  • + 1 author+ 0 author

19 October 2024

Smart mining solutions currently suffer from inadequate big data support and insufficient AI applications. The main reason for these limitations is the absence of a comprehensive industrial internet cloud platform tailored for the coal industry, whic...

(This article belongs to the Section K: State-of-the-Art Energy Related Technologies)

of 77