Juli Bakagianni Kalliopi V. Dalakleidi Konstantinos Stamatis John Pavlopoulos DiaShift: An Explainable System for Temporal Diagnostic Shift Detection in Clinical Notes. 341-345 2025 BIBE https://doi.org/10.1109/BIBE66822.2025.00063 conf/bibe/2025 db/conf/bibe/bibe2025.html#BakagianniDSP25 streams/conf/bibe