International Business Machines Corporation

Nokia Solutions and Networks Oy

Xue Huang

Lei Li

Xing Xing Wang

Lei Cui

Ya Qiong Liu

Ping Liu

Ying Qi Pan

Disclosed is a computer implemented method and related system to improve the efficiency of querying remote databases. The method includes receiving, from a host, a query, wherein the query is configured to retrieve a set of data from a remote database. The method also includes, generating an access plan, the access plan comprising a plurality of nodes wherein each node of the plurality of nodes includes a command. The method further includes determining capabilities of the remote database. The method includes executing the query and returning the set of data to the host.

Complex query optimization

The present invention relates to methods, apparatuses, and computer program products for providing secure access for a user or terminal to a network, wherein an intermediate authentication node is authorized to listen to and store authentication related information. When an authentication request is received, the stored authentication related information is checked and the user or terminal is authenticated if a match between authentication related information of the authentication request and the stored authentication related information is determined, and an authentication server responsible for the authentication request is notified about the authentication result.

Topology based fast secured access

Growing community of inventors

Beijing, China

Xue Huang