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I am trying to create a multi-line text column in a document library, to hold raw textual content of OCR'd fax documents so that it can be crawled, indexed, and searched.

I have been unable to determine how to configure the text column to be indexed and the stored text data to be included in search results.

The source documents are faxes which may be TIF's, JPG's, or PDF's, if that is helpful.

I have been able to configure other types of columns (non-text) that do get included in search results.

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2 Answers

up vote 2 down vote accepted

what you need to do is the following:

  1. make sure that your content is indexed
  2. lookup the crawled properties, and find your custom column in it. It starts with ows_ and it ends with the internal name of your custom column.
  3. create a managed property that is mapped to your crawled property
  4. re-index
  5. go to your search center, add your managed property to the retrieved columns of the core results webpart
  6. alter your xslt to display the results.
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All columns from SharePoint should automatically be searchable after indexing as the SharePoint category for crawled props will map the data to the index by default. No need to map them (unless you want to set importance level or use it in a property query or refiner). – Mikael - SharePoint MVP Feb 5 at 19:58
How do I determine what the internal name of the custom column is? – cerebraldisorder Feb 6 at 14:50
Answered my own follow up question: allaboutmoss.com/2010/05/11/… – cerebraldisorder Feb 6 at 15:08
Step 3 from above is what I was missing. My custom column was being crawled, but was not being included in the index. Thanks! – cerebraldisorder Feb 6 at 15:25
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up vote 0 down vote

You should look into IFilter, which seems to be the proper interface to do this. There are several PDF IFilters available for text (non-OCR) PDF, and some for OCR PDFs and TIFFs, that I can see on Google. Developing a custom IFilter involves several pitfalls.

But it's probably more effort and cost than necessary if a multiple-line-of-text column does the trick for you :).

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Yes, I have tried a couple different IFilters for PDF's, the downside is that these PDF's are just scanned fascimile images that have been converted to PDF. The IFilters work great for regular PDF's, though. – cerebraldisorder Feb 6 at 14:51
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