TY  - JOUR
AU  - KHALAJJ, ELHAM
AU  - mohammadi, shahriyar
TI  - Presenting the model for opinion mining at the document feature level for hotel users' reviews
JO  - Journal of Information and Communication Technology
VL  - 13
IS  - 49
SP  - 85
EP  - 102
PY  - 2021
DO  - 
ER  -