With the proliferation of cloud computing, data owners can outsource the spatial data from
the Internet of Things devices to a cloud server to enjoy the pay-as-you-go storage …

Decentralized anonymous payment (DAP) enables users to directly transfer
cryptocurrencies privately without passing through a central authority. Anonymous …

As a widely-used machine-learning classifier, a decision tree model can be trained and
deployed at a service provider to provide classification services for clients, eg, remote …

As blockchain has drawn more and more attention, much research has developed different
transaction schemes with privacy preserving specialized in various fields. The nature of …

Multi-keyword search, aiming to search the objects by a query request that consists of
multiple keywords, has wide applications in personalized recommendation services. Mean …

The financial data of some listed companies is not transparent enough, especially in
financial‐related management and program planning. In addition to legal and ethical …

Decision trees are prevalent machine learning models used for data classification. Cloud
servers can build their decision tree models and provide users with many classification …

With the success of cryptocurrencies such as Bitcoin, blockchain technology has attracted
extensive attention from both academia and industry. As a distributed ledger technology …

Blockchain technology offers a promising way to improve business processes by providing a
secure and transparent transaction platform. However, using this technology brings its own …