Distributed Learning over Massive XML Documents in ELM Feature Space

Algorithm 1

Mapper of DXRC.

 Input: docID, content

 Output: term, docID, element, times, sum

(1) Initiate HashMap mapEle;

(2) foreach     do

(3)  Initiate sum = 0;

(4)  Initiate HashMap mapEleTF;

(5)  foreach     do

(6)    sum++;

(7)    if    then

(8)     mapEleTF.put(term, mapEleTF.get(term) + 1);

(9)    else

(10)     mapEleTF.put(term, 1);

(11)  mapEle.put(element, mapEleTF);

(12) foreach     do

(13)  element = itrEle.getKey();

(14)  foreach     do

(15)    term = itrEleTF.getKey();

(16)    times = itrEleTF.getValue();

(17)    emit(term, docID, element, times, sum);