| 摘要 |
A method of searching for information is described. A sequence of terms, including one or more term segments and one or more identifiers corresponding to one or more missing terms, is received. The sequence of terms is converted into a corresponding search pattern, including a set of one or more query expressions and one or more ordering constraints. The search pattern is compared with a plurality of documents to identify a set of documents. Match scores for one or more matches between the search pattern and documents in the set of documents are determined. Content in the set of documents corresponding to the one or more missing terms in the search pattern are identified and a ranked set of information items containing the identified content is provided in accordance with the match scores.
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