A HieArarchical LSTM Framework for Capturing Long- and Short-Term Preferences in POI Recommendation - Patchala, Sarala; Babu Burra, Vijay; Naga Gopi Raju, Vullam; Ramana Murthy, Banda SNV; Prabhakara Rao, Desamala (ITEGAM-JETIA, 2026)