The purs can attain the automatic identification of user interests , the automatic formation of user model and meanwhile the system can assist users in the construction of retrieval request , the inquiry of information and the acceptance of pushed information Piirs系统实现自动识别用户兴趣,自动生成用户角色模型,帮助用户生成检索请求,向用户推送信息等。
As well as preserving the current advantages of otp , otpap also patches up some faults successfully : it can be used not only for the identification of users , but also for preventing effectively the fake login . besides , it can construct a reliable security information channel between the users and login nodes , and otpap also supports the remote modification of secret pass - phrases and iterative values even if the user ' s secret pass - phrase has been leaked or the iterative value has been zero Otpap除了保持otp现有的优点外,还成功地弥补了otp的这些缺陷: otpap不但可用于鉴别用户,也可以有效地防范假冒的登录节点,并能在用户和登录节点之间建立可靠的保密信道; otpap还支持远程修改秘密通行短语和迭代值,即使用户的秘密通行短语已经泄密了或者用户的迭代值已经为0 。