DP-BPR: Destination prediction based on Bayesian personalized ranking
Feng Jiang , Zhen-ni Lu , Min Gao , Da-ming Luo
Journal of Central South University ›› 2021, Vol. 28 ›› Issue (2) : 494 -506.
DP-BPR: Destination prediction based on Bayesian personalized ranking
Destination prediction has attracted widespread attention because it can help vehicle-aid systems recommend related services in advance to improve user driving experience. However, the relevant research is mainly based on driving trajectory of vehicles to predict the destinations, which is challenging to achieve the early destination prediction. To this end, we propose a model of early destination prediction, DP-BPR, to predict the destinations by users’ travel time and locations. There are three challenges to accomplish the model: 1) the extremely sparse historical data make it challenge to predict destinations directly from raw historical data; 2) the destinations are related to not only departure points but also departure time so that both of them should be taken into consideration in prediction; 3) how to learn destination preferences from historical data. To deal with these challenges, we map sparse high-dimensional data to a dense low-dimensional space through embedding learning using deep neural networks. We learn the embeddings not only for users but also for locations and time under the supervision of historical data, and then use Bayesian personalized ranking (BPR) to learn to rank destinations. Experimental results on the Zebra dataset show the effectiveness of DP-BPR.
destination prediction / embedding learning / top-N prediction / Bayesian personalized ranking
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