1. A method for associating documents, comprising: providing a plurality of scanned documents of different types; identifying a document type for each scanned document by comparing a determined pattern for each scanned document to known document patterns; extracting metadata values from each scanned document using metadata labels; identifying each scanned document using extracted metadata values; and associating a stored electronic record with each scanned document by employing the extracted metadata values such that a relationship between the stored electronic record and the associated scanned document is determined and stored.