尤其是如何提高资源检索的效率和数据的可用性显得特别重要。
How to improve the efficiency of resources access and data availability is of particular importance.
为了提高检索的效率，我们还提供了一个双层的语料库索引方法。
In order to raise the retrieval efficiency, we provide a two-level corpus indexing method.
目前未登录词问题仍然很大程度上影响着自动标引和信息检索的效率。
At present, the unlisted words remains affect the efficiency of information retrieval and automatic indexing largely.
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