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

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Presentation on theme: "October 24, 2006Merit Technical Staff Meeting1 The Google Project at the University of Michigan Perry Willett Head, Digital Library Production Service."— Presentation transcript:

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 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: FAQ :


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