Use of information in these resources is governed by the Ross
Community Values and Academic Honor Code, as well as individual database vendor agreements. Kresge Library contracts with vendors to allow faculty, students, and staff to use these subscription databases for educational, personal and non-commercial purposes. As part of the agreement, both copyright and contract law apply.
According to the "fair use" clauses of U.S. copyright law, you may cite short excerpts in papers and reports for classroom and other academic uses if you also cite the source of the information (e.g.
journal article). You may not use entire works for this purpose. When using information from these databases, properly cite and credit the source. If you have any questions about citing a particular resource, please contact us.
New / Trial Databases
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The following databases are newly acquired or being evaluated for a future subscription.
IDC Historical Mobile Phone & Personal Computer Shipments Data
This data set contains quarterly shipments data for mobile phones and personal computers shipped into the United States. There are two series, one for Mobile Phones (2004-2024Q3) and one for Personal Computer Devices (1995-2024Q4). Data for each series is contained in multiple CSV files. The methodology and data dictionaries are contained in the Taxonomy files for each series, available in PDF.
Access is available via request to Authorized UM users only using the links above. Data is stored on the UM Great Lakes computing cluster at Turbo location: /nfs/turbo/bus-kbaldata/IDC/.
Users will need a Great Lakes account to access the data. For more information on access or data content, contact kresge_library@umich.edu.
