The location of the server is dependent upon whether or not the server needs access to internal servers to replicate data or to authenticate users.
服务器的位置取决于服务器是否需要访问内部服务器来复制数据或对用户进行身份验证。
If the cached data are location-dependent data, then with the client changing its location, the cached data value may become invalid, so deciding the validation of the cached data is very important.
如果所缓存的数据是位置相关数据，那么，随着客户端位置的改变，所缓存的数据值可能变得无效了，因此，对所缓存数据值进行有效与否的判别至关重要。
Because of the user's mobility and the location dependency of data, new challenge has been brought to cache replacement strategy for location Dependent Query (LDQ).
在位置相关查询(LDQ)中由于用户的移动性和数据的位置相关性，给缓存替换策略带来了新的挑战。
应用推荐