Discovering functional groups of an area
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United States of America Patent
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Sep 1, 2015
Grant Date -
Sep 18, 2014
app pub date -
Mar 14, 2013
filing date -
Mar 14, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed herein are techniques and systems for discovering functional groups in an area, such as an urban area. A process includes segmenting a map of the area into sections, and inferring, for each section, a distribution of functions according to a topic model framework which considers mobility patters of users and points of interest (POIs) in the section. The topic model framework regards the section as a document, each function as a topic, the mobility patterns as words, and a POI feature vector for the section as metadata. The process may further include clustering the sections based at least in part on a similarity of the distribution of functions between each of the sections to obtain functional groups, estimating a functionality intensity for each of the functional groups, and annotating each of the functional groups.
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International Classification(s)
- G06N:COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL M....
- G09B:EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCE....
- G06Q:DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAP....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- G08G:TRAFFIC CONTROL SYSTEMS
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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