摘要 |
According to one aspect of the invention, in response to one or more terms to be indexed, each of the terms is indexed in a regular index. In addition, for each of the terms having multiple characters, at least one prefix portion of the term is indexed in a prefix index, where the regular index is used for regular searches and the prefix index is used for prefix searches without having to combine a plurality of postings lists of the regular index at the point in time.
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