Exploiting Multi-modal Contextual Sensing for City-bus's Stay Location Characterization: Towards Sub-60 Seconds Accurate Arrival Time Prediction. - Ratna Mandal; Prasenjit Karmakar; Soumyajit Chatterjee; Debaleen Das Spandan; Shouvit Pradhan; Sujoy Saha; Sandip Chakraborty 001; Subrata Nandi (ACM Trans. Internet Things, 2023)