System and method for searching dates efficiently in a collection of web documents
A date querying system processes free-form text in documents to identify and locate some or all of the dates in the documents using extended regular expression matching to capture various date formats. The system packages a canonicalized format of each identified date to support various types of que...
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| Main Authors | , |
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| Format | Patent |
| Language | English |
| Published |
01.06.2010
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| Subjects | |
| Online Access | Get full text |
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| Abstract | A date querying system processes free-form text in documents to identify and locate some or all of the dates in the documents using extended regular expression matching to capture various date formats. The system packages a canonicalized format of each identified date to support various types of queries such as, for example, specific date querying, hierarchical date querying, range date querying, proximity queries comprising a date and any keywords, and any combination of types of queries. The system scans a document to identify the various format dates occurring in the document, disambiguates the resulting occurrences of dates, and canonicalizes the dates according to one or more predetermined formats. |
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| AbstractList | A date querying system processes free-form text in documents to identify and locate some or all of the dates in the documents using extended regular expression matching to capture various date formats. The system packages a canonicalized format of each identified date to support various types of queries such as, for example, specific date querying, hierarchical date querying, range date querying, proximity queries comprising a date and any keywords, and any combination of types of queries. The system scans a document to identify the various format dates occurring in the document, disambiguates the resulting occurrences of dates, and canonicalizes the dates according to one or more predetermined formats. |
| Author | DILL STEPHEN KORUPOLU MADHUKAR R |
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| RelatedCompanies | INTERNATIONAL BUSINESS MACHINES CORPORATION |
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| Snippet | A date querying system processes free-form text in documents to identify and locate some or all of the dates in the documents using extended regular expression... |
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| SubjectTerms | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| Title | System and method for searching dates efficiently in a collection of web documents |
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