Zhen Guo

SDB: Scalable Blockchain Database via Searchable Encryption and Cross-Shard Mechanism

2025

Blockchain database has been widely applied in various fields, providing a secure architecture for data storage and sharing. In blockchain databases, the use of sharding technology can enhance the system's scalability and improve the processing …

Proactive Human-Machine Conversation with Explicit Conversation Goal

2019

Though great progress has been made for human-machine conversation, current dialogue system is still in its infancy: it usually converses passively and utters words more as a matter of response, rather than on its own …