The purpose of data hoarding is storing the data will be possibly accessed to local cache in advance, so the result of gathering data is significant to the performance of disconnected operation.
数据收集的目的是在断连前把用户将来可能访问的数据预先存储到本地缓存，因此收集过程的结果将对断连操作的性能产生重大影响。
Data Hoarding is a key issue in mobile database. It will support the autonomy operation of mobile hosts when they are disconnected from servers by prefetching important data into local cache.
数据收集是移动数据库中的一个关键问题，将数据收集到移动客户机的缓存中，使客户机在断接期间使用本地数据自主操作，提高了数据的可用性。
Data hoarding technology means the technology of prefetching data which may access by user after disconnection later to cache.
数据收集技术是指在断接前把用户将来可能访问的数据预先存储到本地缓存的一种技术。
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