 the kwic index concept a retrospect view thi paper defin describ kwic keyword context concept provid histori concept literatur it discuss variat bell telephon index kwoc index wadex the paper discuss improv variat kwic manipul variat code addit classif combin author titl improv prepar kwic index improv titl thesauru discuss improv kwic the paper discuss usag kwic comment futur kwic index kwic concept 