Outsourcing data to the cloud offers various advantages, such as improved reliability,
enhanced flexibility, accelerated deployment, and so on. However, data security concerns …

Healthcare data explosion and cloud computing booming have motivated healthcare
centers to outsource their healthcare data and data-driven services to a powerful cloud …

With the intensification of mobile devices, vast amounts of spatial data have been
outsourced to cloud servers to provide query services. However, existing privacy-preserving …

The boom of cloud computing has stimulated the prevalence of outsourced query services,
and privacy concerns further motivate extensive studies on privacy-preserving queries in the …

With the rapid development of location-based services and online social networks, POI
recommendation services considering geographic and social factors have received …

Multi-source multi-client (M/M) searchable encryption has drawn increasing attention as data
sharing becomes prevalent in the digital economics era. It allows data from multiple sources …

The growing power of cloud computing prompts data owners to outsource their databases to
the cloud. In order to meet the demand of multi-dimensional data processing in big data era …

Cloud has scalable storage and massive computing power, attracting data owners to
outsource their data. However, owing to privacy concerns, data is typically encrypted prior to …

Blockchain-enhanced Smart Grid has attracted a lot of attention from scholars in recent
years, due to its excellent decentralization, anti-collusion and immutability. With the wide …

Boolean range query (BRQ) is a typical type of spatial keyword query that is widely used in
geographic information systems, location-based services and other applications. It retrieves …