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CASE STUDIES : |
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GILFAM
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Diadeis Mission
Land books (LBs) are registers in which information is kept relating to landed property in the Alsace-Moselle region. Each land book record set consists of property entries along with records of charges, easements, and mortgages associated with the properties.
There are 40,000 LB registers held in 46 land registry offices in Alsace-Moselle, representing a volume of 8 million A2 double leaves and 2.8 million record sets.
The project involved creating a computerised Land Book management application to replace the keeping of handwritten registers (application development by IBM).
DIADEIS was given the task of re-entering all the property records from the land registries, working from register images scanned in Alsace by Infotechnique.
To carry out this work, DIADEIS developed a specific environment for preparation, entry, and verification, allowing the staff to work with scanned images of handwritten pages from the Land Book. There was therefore no need to remove the original registers from their region of origin.
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Process
E-capture:
The digital images of the handwritten pages go through a set of preparation, conversion, and checking operations up to the generation of the re-entered XML instances of the live record sets.
Double sorting of the live record sets:
- analysis of each digitally converted page
- categorisation of the page (live, closed, blank)
- indexing of the page image with the reference number of the recorded record set
- studying the image and identifying and marking sections of text to be re-entered
- simultaneous creation of a XML macro-skeleton for the record set by type assignment of the identified sections
- insertion of inter-section links for specifying the logical data entry order
- automatic synchronisation between the generated XML skeleton and the data blocks to be entered on the images, providing optimised data entry
- checking of the sections to be entered and their "logical" sequencing
- checking of consistency between the blocks and the XML tree structure
Double entry of handwritten records:
- text
- field tagging
- field attribute
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Technology
Use of computer-assisted data entry tool (PALMIER) enabling XML input of land books with simultaneous viewing of scanned images of the books: use of zoom features, address checking, double-entry, and comparaison.
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Human resources
A team of 120 employees has been set up for the duration of the project, which is due for completion in 2007. Experts from each DIADEIS production site are trained by GILFAM in Colmar and possess know-how in landed property matters.
DIADEIS spreads the workload over its two Indian Ocean region workshops, one in Antananarivo in Madagascar and the other in Port-Louis, Mauritius.
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Volume
8 million double A2+ sheets and 2.8 million record sets to be processed over 4 years.
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Main challenge
The high quantity of documents to be entered and the handwritten nature of the documents (mostly in gothic script), making OCR systems unusable.
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Input
Digital images recovered from land books (specific compression).
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Output
XML instances corresponding to the contents of the land books.
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Result
The work carried out by DIADEIS in this project is saving GILFAM the decades of data recovery work that would have been needed if they had done the work themselves. The Alsace-Moselle Land Book will now be in wholly digital form and integrated with the management application developed by IBM.
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