Table 3 All reviewed papers categorized by ML and NLP method used

Feature based

Traditional ML

^{41,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109}

Neural Network

^{100,109,110,111,112,113,114}

Tools

¹¹⁵

NLP

Traditional ML

^{39,51,116,117,118,119,120,121,122,123,124,125,126}

Neural Network

^{27,39,48,51,127,128,129,130,131,132,133}

Topic modeling

^{116,134,135,136,137}

Tools

^{40,138,139,140,141,142,143,144,145,146,147}