Recognizing personalized flexible activity patterns Sergio A. Ordonez M. July 2015.

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Presentation transcript:

Recognizing personalized flexible activity patterns Sergio A. Ordonez M. July 2015

Recognizing personalized flexible activity patterns Sergio A. Ordonez M. July 2015

Context: Multi-activity scheduling, flexible activities 0:00 6:009:00 18:0023:00 A B 3 Home Work Eat Work Car PT Walk time x y

Mental map: Set of known places & Activity agenda 4

Overview 5 Mental Map

Set of known places 6

Travel time distributions 7

“Go to place of type X” models 8

9

10 “Go to a shopping place” model summary

Set of known places selection 11 Step one: Selection by type Step two: Selection by travel time to primary locations

Results: Travel times 12 shop eat

Activity agenda estimation 13

“Perform activity X” models 14

“Perform activity X” models 15 “Go to eat” model summary

Activity agenda estimation 16 Activity type probability Activity durations

Results: Flexible activity types 17

Conclusions and future work In the context of personalized flexible activity scheduling the concept of a mental map was studied Activity agendas and set of known places were synthetized for a 10% test sample from a travel survey conducted in Singapore Socio-demographic characteristics and geographic information of primary locations were included for the mental maps generation Results show the method can reproduce observed travel time distributions from primary locations to flexible activity locations When scheduling flexible activities using the proposed mental maps, the number of flexible activities by type and by significant socio-demographic variables was reproduced. The duration of the flexible activities should also be derived from socio-demographics and geographic information Frequency of activities should also be included in the model for longer periods of time 18

Acknowledgements The author would like to thank the following Singaporean Authorities for providing access to data and valuable review: Land Transport Authority Urban Redevelopment Authority Singapore Land Authority (SLA Digitised Land Information) Financial support comes from the National Research Foundation (NRF) of Singapore and ETH Zurich research fund. 19