Word Count:Version 1 1:class MAPPER 2: method MAP(docid a,doc d) 3: H-new ASSOCIATIVEARRAY 4: for all term t∈doc d do 5: H{t}←-H{t}+1 Tally counts for entire document 6: for all term t∈Hdo 7: EMIT(term t,count H{t) Are combiners still needed?Word Count: Version 1 Are combiners still needed?