Thank you so much Alex and Joel for your ideas. I am pouring through the documentation and code now to try an understand it all. A post filter sounds promising. As 99% of my doc fields are character based I should try to compliment the collapsing Q parser with an option that compares string fields for equality. As long as a multi-field comparison approach is not prohibited in some way by this architecture, I feel it's a great place to start.
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