Page 29 - Understandinging Forensic Technology Landscape
P. 29

Data translation



           and data interrogation






           Data translation and data interrogation                to detect patterns or anomalies or identify suspect
           in the forensic context                                transactions based upon specific criteria.

                                                                These functions can be performed by separate providers
           Many forensic practitioners face the need to convert
           hard copies or PDFs to a more user-friendly format for   or bundled as an integrated service offering.
           analysis. Although there are a variety of names for the   Approaches to data translation are based on the quality
           software and approaches to achieve these important   of the original documents and the level of resolution
           objectives, many practitioners use the terms data    of the scanned PDF files. Poor-quality documents or
           translation and data interrogation to describe two   blurred, low-resolution scans (less than 150 dpi) will
           distinct, yet interrelated functions:                usually result in inaccurate conversion using OCR

           •   Data translation tools allow for the capture and   software. Accuracy of the conversion, in turn, drives the
             conversion of structured data from paper documents   nature and extent of human intervention to confirm the
             scanned into PDF or existing PDFs into a machine-  accuracy of capture and put the results in appropriate
             readable format that can be analyzed, combined with   format for analysis. Most PDF software has text
             data from other sources and manipulated.           recognition and conversion features that return scans at
                                                                600 dpi or higher. The actual quality of text recognition
           •   Data interrogation tools assist with the analyses of
             large bodies of structured data (for example, an entire   and conversion may not be evident until the data are
             general ledger file, bank, or brokerage statement data)   transferred from the PDF file to a database, spreadsheet
                                                                or other data file or format.



             Before OCR:





                                                                                        Poor-quality
                                                                                        documents or blurred,
                                                                                        low-resolution scans

                                                                                        (less than 150 dpi)
             AFTER OCR:                                                                 will usually result in
             Witnesscth that Gr!ntor. for and in cansidmtion of tbt sum ofTai md no!lOO Dollars (S 10.00) and other
             good and valuable cou&idei-ation lO Grmior in.hand paid by Orantee. the receip1 whmot is hm'by adcno""ledg¢cl,   inaccurate conversion
             bs
             ~tcd. b2:t2&:incd ~ sold. tb tb.c GtU.tt.c. 2nd.Grantee's heirs and wigns fortvtt~ the following dc.sc:n"bcd lmd.
             situate.                                                                   using OCR software.
             lying and being in:

             TI1is deed is being recorded to eonect the ex~tion of that eemin deed recorded in O.R.
             Documentary Stamps were paid in full with du: prior re-cording.
             TO HA VE AND TO HOLD the wne unto Gnntu in fee simple.
             And Granter does hc:eby fully wma.nr the title to the land. and wiJJ defend the s.ime :1gain.st the Ja~1W cbhns of .iJI
             persons v.11 omsocvc.r.


                                                                  Understanding the forensic technology landscape | 25
   24   25   26   27   28   29   30   31   32   33   34