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How often these two phases are carried out is configurable on a conenction by connection bases via the Locator GUI. The default is continuously. That is, as soon as one round with the two phases has completed, a new round startsstarted.
Converter Services
All files, regardless of file type or file format, are passed on to the DB by some Connector as shown below. First the file is copied from the file's location at the source to a temp folder managed by the Convertor Services. In addition to the copy operation, the Connector will also provide the Converter services with the full file name. The Conversion Services will use the file name extension to determine which converter to use. Currently we have three converters available of which two, OmniPage and Tesseract, are Optical Character Recognition (OCR) converters and are used for converting scanned documents. These two converters are never used together as Locator is either configured to use one or the other. All other files are handled by the DocFilter Converter.
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The job of the Index Builder is to keep the search index in sync with the documents that are stored in the database. Hence, any added, deleted or altered document in the database will be detected by the Index Builder upon which it will do a re-index. The way the index Builder detects the changes is by monitoring two specific database tables (doc.document and the doc.document_tombstone) for any added, altered or deleted documents. If it finds any row with a time stamp newer than more recent than it's last visit, it will process that row.
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The SharePoint App Plug-In
The ayfie Locator Application for SharePoint is an add-on package to SharePoint that allows users of SharePoint to search with ayfie Locator from within the SharePoint GUI.
Data Enrichment Services (Rules Engine)
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