Databases
& Shapefiles developed through research projects
With
the exception of publicly accessible datasets, all databases and shapefiles
developed through research projects are the property of the Principal Investigator
(PI) of the associated project.
Requests to access data by persons not directly involved with the project
must be made in writing to the Principal Investigator. The PI must authorize
access to specific project databases in writing to the Managing Director of
the CML.
Data
obtained from Third Parties
The
CML frequently obtains data from third parties such as a city agency or private
vendor. In some cases, the original owners of the data may put restrictions
on how it can be used or reused (e.g., an agency may give the CML the rights
to a database or shapefile for a specific project but require it be destroyed
at the conclusion of the project.)
The CML will uphold all commitments it makes with third parties concerning
restrictions on the use and reuse of data. Persons requesting access to restricted
files must obtain written permission from the original owner of the data expressly
authorizing the CML to release it to specifically named individuals. The authorization
should include the name and contact information for the person who is granting
the CML permission to share data and the name of the person who is to be on
the receiving end of the data.
City of Philadelphia Parcel Coverage Data
The
City of Philadelphia’s Parcel Coverage Data is owned by the Planning
Commission. The CML cannot distribute, disclose, or market the Parcel Coverage
Data—in part, or in its entirety—without the express written consent
of the Philadelphia City Planning Commission. Requests should be addressed
to:
Maryann
Longacre
Philadelphia City Planning Commission
1515 Arch Street, 13th floor
Philadelphia, PA 19102
maryann.longacre@phila.gov
Publicly
accessible datasets
Publicly
accessible datasets and shapefiles available through the CML include 1990
Census data (see http://cml.upenn.edu/census), Wessex data, TIGER files, and
other shapefiles as listed on this website.
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