On spatio-temporal blockchain query processing

Q Qu, I Nurgaliev, M Muzammal, CS Jensen… - Future generation …, 2019 - Elsevier
Recent advances in blockchain technology suggest that the technology has potential for use
in applications in a variety of new domains including spatio-temporal data management. The …

Empowering authenticated and efficient queries for STK transaction-based blockchains

H Xu, B Xiao, X Liu, L Wang, S Jiang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Owing to the attractive properties of decentralization, unforgeability, transparency, and
traceability, blockchain is increasingly being used in various scenarios such as supply chain …

Securing critical user information over the internet of medical things platforms using a hybrid cryptography scheme

OC Abikoye, ET Oladipupo, AL Imoize, JB Awotunde… - Future Internet, 2023 - mdpi.com
The application of the Internet of Medical Things (IoMT) in medical systems has brought
much ease in discharging healthcare services by medical practitioners. However, the …

Privacy-preserving k nearest neighbor query with authentication on road networks

S Yang, S Tang, X Zhang - Journal of Parallel and Distributed Computing, 2019 - Elsevier
Abstract k nearest neighbor (k NN) queries are frequently used in location-based services
(LBSs), by which we wish to get k closest points of interest (POIs) given a certain point. Since …

Fixing the inconsistencies of continuous changing operations in fuzzy spatiotemporal RDF graph

L Bai, J Wang, L Zhu - Applied Soft Computing, 2022 - Elsevier
Fuzzy spatiotemporal data models have been used to support spatial and temporal
knowledge representation and reasoning in the presence of fuzziness. In the meantime …

Authenticating top-k queries in location-based services with confidentiality

Q Chen, H Hu, J Xu - Proceedings of the VLDB Endowment, 2013 - dl.acm.org
State-of-the-art location-based services (LBSs) involve data owners, requesting clients, and
service providers. As LBSs become new business opportunities, there is an increasing …

Secure outsourced skyline query processing via untrusted cloud service providers

W Chen, M Liu, R Zhang, Y Zhang… - IEEE INFOCOM 2016 …, 2016 - ieeexplore.ieee.org
Recent years have witnessed a growing number of location-based service providers
(LBSPs) outsourcing their points of interest (POI) datasets to third-party cloud service …

Fixing the inconsistencies in fuzzy spatiotemporal RDF graph

L Bai, J Wang, X Di, N Li - Information Sciences, 2021 - Elsevier
Since an increasing number of applications have urgent requirements for the management
of fuzzy spatiotemporal information, it is challenging to model fuzzy spatiotemporal data. On …

Enabling blockchain for efficient spatio-temporal query processing

I Nurgaliev, M Muzammal, Q Qu - … , United Arab Emirates, November 12-15 …, 2018 - Springer
Recent interest in blockchain technology has spurred on a host of new applications in a
variety of domains including spatio-temporal data management. The reliability and …

Authentication of k nearest neighbor query on road networks

Y Jing, L Hu, WS Ku, C Shahabi - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Outsourcing spatial databases to the cloud provides an economical and flexible way for data
owners to deliver spatial data to users of location-based services. However, in the database …