An Activation Method of Topic Dictionary to Expand Training Data for Trend Rule Discovery

Algorithm 3

Pseudocode for the transformation of transaction based on a topic dictionary.

(01)  𝐸𝑊_𝑑=𝜙;

(02) For 𝑤∈𝑊_𝑑

(03)  if 𝑤∈𝑇𝐷

(04)   𝐸𝑊_𝑑 += transformTopic(𝑤);

(05)  else

(06)   𝐸𝑊_𝑑 += 𝑤;

(07)  𝑊_𝑑=𝐸𝑊_𝑑;