An Interpretable Classification Framework for Information Extraction from Online Healthcare Forums

Algorithm 1: Frequent Labeled Sequential Patterns Generation.

Input : A collection of labeled sentences , a minimum support threshold , and a minimum confidence threshold

Output : A collection of FLSPs denoted as

Labeled sequence database ;

for each sentence sample () in do

 Convert into a sequence that consists of POS tags,

 DRUG, SYMP, and FREQ;

 ;

 ;

end

FSP set  := CM-SPAM [11];

FLSP set ;

for each FSP in do

  ;

 end

end

return

Algorithm 1: Frequent Labeled Sequential Patterns Generation.