“…It is a combination of filing and retrieval systems, which support storing [22,26,27], classifying [10,11,20,25], categorizing [17,18,23,26,27], retrieving [12,13,15,16] and reproducing [24] documents, as well as extracting [9,10], browsing [12], retrieving [12,13,15,16] and synthesizing [24] information from a variety of documents. The document model for TEXPROS employs a dual approach to describing and classifying the office documents by defining both a document type hierarchy and a folder organization (or logical filing structure).…”