1. October 24, 2006Merit Technical Staff Meeting1 The Google Project at the University of Michigan Perry Willett Head, Digital Library Production Service University of Michigan

2. October 24, 2006Merit Technical Staff Meeting2 MBooks @ Michigan Basic information Workflow / About the files Storage Access

3. October 24, 2006Merit Technical Staff Meeting3 Basic Information Goal: –7 million volumes (published, bound) –6 years (first 2 years almost over) Productivity –recent week, 27,000 volumes –expontential growth—doubling

4. October 24, 2006Merit Technical Staff Meeting4 Workflow

5. October 24, 2006Merit Technical Staff Meeting5 About the files Returned to UM: package per volume, id’d by barcode –600dpi TIFF ITU G4 (bitonal) for print –300dpi JPEG2000 color/grayscale for illus. –File naming conventions corresponding to UM specs –Checksums –Production notes –OCR (UTF-8 text files) –Page metadata: page numbers, page features, chapter start Quality control –Ongoing improvement of hardware/engineering –Image quality good and improving What is secret and why? –Technology –Numbers

6. October 24, 2006Merit Technical Staff Meeting6 Storage Current: Local, single-server, multi- terabyte, proof-of-concept. Short-term: Local, mirrored, sustainable, scalable storage system designed for high storage. Longer-term: multi-institutional repository, mirrored at multiple institutions

7. October 24, 2006Merit Technical Staff Meeting7 Access OPAC (ExLibris Aleph) is discovery system –MARC & Item records updated automatically –Links generated automatically Locally developed access system (MBooks) Pageturner communicates with Aleph via XServer

8. October 24, 2006Merit Technical Staff Meeting8 More Information Documentation: http://www.lib.umich.edu/mdp FAQ : http://mdp.lib.umich.edu/m/mdp/mdp-faq.htm Email: pwillett@umich.edupwillett@umich.edu