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。
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。
Thirdly, We propose a location dependent data management based on Semantic.
第三，提出了基于语义的位置相关数据管理。
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