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In this paper, we propose a method to predict nextone-day-purchase behavior of "Online to Offline"(O2O) itemsbased on huge scale of user behavior log. The overall solution isdescribed in 2 parts: the feature engineering of the user behaviorlog and the ensemble of different supervised learning models. Inthe feature engineering section, besides the basic features, wefurther analyze the behavior...
Driver assistance system is currently an active research and development field for the general goal to provide useful information to drivers in order to reduce the number of injuries and fatalities in traffic. One important component of future systems will be an accurate and reliable positioning, which can be realized by relative measurement, using onboard sensors and maps of the environment. However,...
In recent years, with new services expected, such as navigation systems, location based services, and augmented reality, the need for automatically, efficient 3D building reconstruction systems becomes more urgent than ever. As a new spatial information technology, airborne LiDAR is widely used for the acquisition of 3D objects on the earth. The automatic reconstruction of 3D buildings from airborne...
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