2.18.2 Anchor Text Catalog

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Anchor text catalog is a full-text index catalog that contains the data extracted from links between items.

The anchor text for each link is considered a property on the target item and MUST be stored in the content index files with property identifier equal to 10. The content index files MAY<38> contain other records with property identifiers not equal to 10 that contain extra information associated with documents.

For each full-text index component, the basic scope index file MUST contain scope index records for every indexed item which has a link to an item in that full-text index component. These scope index records have the following information:

  • Key: The record contains an anchor scope index key, which MUST encode the DWORD, as specified in [MS-DTYP], value equal to the document identifier of the source item.

  • List of document identifiers: The record MUST contain document identifiers of all target items in this full-text index component.

There MUST NOT be other scope index records in the basic scope index files.

In an anchor text catalog, all compound scope index files, QIR files, as specified in section 3.1.10, and detected languages files, as specified in section 3.1.9, MUST NOT contain any data and MUST be ignored.