311 Requests
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下载链接：
https://dataverse.harvard.edu/citation?persistentId=doi:10.7910/DVN/CVKM87
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资源简介：
The 311 database is an archive of reports received by the City of Boston's 311 system (formerly the Boston’s Mayor’s Hotline or Constituent Relationship Management), as well as a set of derived data and associated measures, including: the types of cases received by the system; the reporting patterns of individual users; and ecometric measures of neighborhood characteristics. Documentation of each of these files and their contents is also included.
提供机构：
Harvard Dataverse
创建时间：
2016-05-15
