\setlength{\unitlength}{0.012500in}%
%
\begingroup\makeatletter\ifx\SetFigFont\undefined
% extract first six characters in \fmtname
\def\x#1#2#3#4#5#6#7\relax{\def\x{#1#2#3#4#5#6}}%
\expandafter\x\fmtname xxxxxx\relax \def\y{splain}%
\ifx\x\y   % LaTeX or SliTeX?
\gdef\SetFigFont#1#2#3{%
  \ifnum #1<17\tiny\else \ifnum #1<20\small\else
  \ifnum #1<24\normalsize\else \ifnum #1<29\large\else
  \ifnum #1<34\Large\else \ifnum #1<41\LARGE\else
     \huge\fi\fi\fi\fi\fi\fi
  \csname #3\endcsname}%
\else
\gdef\SetFigFont#1#2#3{\begingroup
  \count@#1\relax \ifnum 25<\count@\count@25\fi
  \def\x{\endgroup\@setsize\SetFigFont{#2pt}}%
  \expandafter\x
    \csname \romannumeral\the\count@ pt\expandafter\endcsname
    \csname @\romannumeral\the\count@ pt\endcsname
  \csname #3\endcsname}%
\fi
\fi\endgroup
\begin{picture}(360,150)(30,615)
\thinlines
\put( 30,765){\line( 0,-1){ 60}}
\put( 30,705){\line( 1, 0){ 45}}
\put( 75,705){\line( 0, 1){ 45}}
\put( 75,750){\line(-1, 1){ 15}}
\put( 60,765){\line(-1, 0){ 30}}
\put( 54,735){\makebox(0,0)[b]{\smash{\SetFigFont{12}{14.4}{rm}Msg}}}
\put(345,765){\line( 0,-1){ 60}}
\put(345,705){\line( 1, 0){ 45}}
\put(390,705){\line( 0, 1){ 45}}
\put(390,750){\line(-1, 1){ 15}}
\put(375,765){\line(-1, 0){ 30}}
\put(369,735){\makebox(0,0)[b]{\smash{\SetFigFont{12}{14.4}{rm}Msg}}}
\thicklines
\put(105,705){\framebox(90,60){}}
\put(225,705){\framebox(90,60){}}
\thinlines
\put( 75,735){\vector( 1, 0){ 30}}
\put(195,735){\vector( 1, 0){ 30}}
\put(165,615){\framebox(90,60){}}
\put(165,645){\line(-1, 0){ 15}}
\put(150,645){\vector( 0, 1){ 60}}
\put(255,645){\line( 1, 0){ 15}}
\put(270,645){\vector( 0, 1){ 60}}
\put(315,735){\vector( 1, 0){ 30}}
\put(150,735){\makebox(0,0)[b]{\smash{\SetFigFont{12}{14.4}{rm}Classification}}}
\put(270,735){\makebox(0,0)[b]{\smash{\SetFigFont{12}{14.4}{rm}Filtering}}}
\put(210,660){\makebox(0,0)[b]{\smash{\SetFigFont{12}{14.4}{rm}Profile}}}
\put(210,642){\makebox(0,0)[b]{\smash{\SetFigFont{12}{14.4}{rm}a.k.a}}}
\put(210,624){\makebox(0,0)[b]{\smash{\SetFigFont{12}{14.4}{rm}User model}}}
\put(378,735){\makebox(0,0)[lb]{\smash{\SetFigFont{12}{14.4}{rm}+}}}
\end{picture}
