session user data的意思|示意

J2EE applications typically store this kind of data in in-memory session objects for better performance and for a better user experience.

J2EE应用程序通常将此类信息存储在内存中的会话对象中，以实现更好的性能或实现更好的用户体验。

Pessimistic session locking should be used with great discretion, as it serializes access to data across a business process that includes user think time.

必须谨慎使用悲观会话锁定，因为它在业务流程（包括用户思考时间）中序列化数据访问。

IMS allows operators to charge multimedia session appropriately: If a user USES videoconference over the 3g cellular network, there is usually a large data transfer that consists of audio and video.

IMS允许运营商对多媒体会话进行适当收费：如果用户通过3 G移动网络使用了视频会议，则通常会产生包含音频和视频的大量数据传输。

Data preprocessing is to treat these redundant information such as data purifying, user recognition, session recognition and pathway complement.

数据预处理就是处理这些冗余信息，经过数据净化、用户识别、会话识别、路径补全操作后得到能够用于挖掘的数据。

You should also avoid displaying truly sensitive data, such as credit card Numbers, to a user who has only been validated by session id.

你也应当避免直接向一个仅通过会话id验证的用户显示高度敏感的数据，例如信用卡号。

Your EJB layer should be a stateless service fronted by a stateless session bean, so it cannot store user data such as a username or password.

您的ejb层应当是无状态的服务，该服务由无状态的会话bean来负责管理，所以不能存储用户的数据，如用户名或密码。