TY - JOUR AU - Lei Han AU - Xuedong Gao TI - A method for representing stock time series features based on trend and inclination angle turning points JO - Computer Science and Information Systems PY - 2026 VL - 23 IS - 1 UR - http://geodesic.mathdoc.fr/item/CSIS_2026_23_1_a9/ ID - CSIS_2026_23_1_a9 ER -