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J.G.

Predicting trip purpose in a smartphone‐based travel survey
an Smart Surveys Have a Positive Business Case? An Evaluation Based on Three Case Studies
Smart Survey Implementation WP2 deliverable M24: smart advanced stage.
Dynamic Time Warping-based imputation of long gaps in human mobility trajectories
Smart Survey Implementation WP2 deliverable M14: smart baseline stage.
Pictures instead of survey questions: An experimental investigation of the feasibility of using pictures in a housing survey
Maximum interpolable gap length in missing smartphone-based GPS mobility data
Nonresponse analysis in a longitudinal smartphone-based travel study
Testing the Effects of Automated Navigation in a General Population Web Survey
Sharing Data Collected with Smartphone Sensors: Willingness, Participation, and Nonparticipation Bias
An app-assisted travel survey in official statistics. Possibilities and challenges
Understanding Willingness to Share Smartphone-Sensor Data
Active and passive measurement in mobile surveys
Automatic Travel Mode Prediction in a National Travel Survey
Can survey item characteristics relevant to mode-specific measurement error be coded reliably