OK 0 1 10 0 1 Washington metropolitan area rail computer feasibility study; final report 1971 Englund, Carl R Railroads "Contract DOT-UT-10003." Washington metropolitan area rail computer feasibility study; final report 1971 Englund, Carl R Railroads "Contract DOT-UT-10003." XXXXXXXXXX test-usersetting-2 data: YYYYYYYYY 1 59412 field=title content=Washington metropolitan area rail computer feasib ...; computer: w[1] += w(6) / (1+log2(1+lead_decay(0.000000) * length(4))); computer: tf[1] += w[1](6) / length(7) (0.857143); relevance = 0; idf[1] = log(((1 + total(1))/termoccur(1)); computer: relevance += 100000 * tf[1](0.857143) * idf[1](0.693147) (59412); score = relevance(59412); content: title washington metropolitan area rail computer feasibility study author englund carl r medium book