Collaborative data mining tool - International Educational Data Mining ...

6 downloads 764 Views 2MB Size Report
This paper describes a collaborative educational data mining tool based on ... We have developed a data mining tool with two subsystems: client and server ...
Educational Data Mining 2009

                        !" # "#  $% &%  ' (&

 $% &%)   (' (&   

* #+,% %           

  &, % &-  

.   ,  .,     /  %&  ,        ,   & #+,(  0%   ,,  %  % ,  ,  & ,  (&,  1   ,.% -  #

  2.  (  ,     (  &              & .1#   0 %  &            $3  45  6    45  $3 7485 #*0 %&%   91  4:5   %  4;5    %%  &  , ., ,  (&%. &0(, &% (#?.  ,     &% & (       ,  @      4A5  &        %        4B5  &

     & 64C5&   *+  45  &         F   7D  45  &  F   )    485  &   F     .  +*$*-  4:5  &  F D84;5& %   4=5&% 72)4A5& % ,4B5&1 &0% ,  % #4C5&  &  

   #*, (        &1.&,. # ,(/ .      ,  ,  &  .  ,     &       G   H       (%@  (    % (          ,,   (        %     #I#7,. (,&    ( (  , H   %(&1.  &

 &   %# 7 , % %.                            &&, % &-  

  ,0%  #+, H   1        ., ,  ,  &           ,        . &&  0% #

299

Educational Data Mining 2009



        9,  %   .,.(@    %%  GJI#+,  %%     &      ,%  ,,  /          ,  &  &  7J-+?2   #+,  %%       ( ,   ,% ( ( &  ., ,  0% #

       

*  .   J ,(       -   ,  .,  2 ., , %%     , (/    #7& ,  %% ,6  *% ,4E5  ,% &(%   , ,%%,, &  #+,(%  ,&  ., ,   %  &  ,0%  #+,      (,  %%    &,(   ,&,  %%     45  &(,

    0%     0%   %   ,  .,  ,               %(   #*,0% &

,0%  %,& &   % % , #+, ,,        &             &  ,>,        %%(>  ,   # D,,,  %%   .  , %(    & ,.,1.-  ,45# +,  &     ,  1.           &  &  %  G-%  -  I., ,   &  % &  %&# +, %&%  ,-    .,,&. ,   &,>, @+% G,  &1.##%   3(IK  )   G   &  ,    ##  '  (  ?,   ,   (   %   IK $&& (G,&& (&, ##).?,I#+,    .           ,   ,          &

%% (   #*%&0% &' (& L % %%,&%&,%(   , %%%(,0%#D,,,  ,   .%

300

Educational Data Mining 2009

G  ,    %% I    ,         (  ,  0%  G  ,   

%% I&,%(#

     *.&,  %% ( &

    #  +,     &   &  ,    %%       %  F       #3& %%( ,,  , %%   %,% &   #J, ,,   ,&,  #9, .&&&   &%  @ I,     & ,, .1., . , 72$*? ,45    (KI 91 4:5 *JJ0&& ,, ,) ,&, #*,  ,  ,  ,&.,    &.%   .,,

 (%,#J(, , , &  ( (,

 (@   % &  &,    ,  - - -0  -&-0 --0 

,# +,%(GJI,1.   %., ,,  (& ,   #3&, ,, ,. & , , 1.    ,>, %&#

      

301

Educational Data Mining 2009

J ( &. ,%(  &, %% %   &  , ,0 ,    ,#+, 

%% ,.,   GJ8I.,,&.&@ G  7J-+?2I%G (,I  G  ,. ,%I G&0% , , ,I

 %%(G> %%(,  ,>, I#

     

9, ,..(%&  @I*  &%   & &,   KI6  &    %,     , , % &     .,,   #*      1@& ,& &,GJ8I,%   0 > 1 ,K , % ( %   ,

  , &&& (K, &   ,

 &  , #

302

Educational Data Mining 2009

     +,  %% (0%  #+,0%  ,  %   ,( 0% (   & ,  (      & %&  G J:I#+, , % (.,,(%,,M*%%(N -%&, %&    & (, ,.      ,          #  7  ,    &   ,  %%(    &  ,   , ,( % ( &,% & %#

    

+,  %%  .-  %% &  ,1.    %%(GJ;I#7  ( ,%& ,  %(    %& .      ., ,   ,  %& (, 0%   #+,0%, % .% ,%(  0% (&0GJ:I#7

.& 0 , G%I.   .,  % .   &. >% ,%(# ,   %% %  %( ,% ,%(# J (.,    &,        &45#

303

Educational Data Mining 2009

   !      



  

7,% %., ,.   ,           &         1             ,.   % -  #+, ,   ,  ( , ,&  #(,, ((  %&  0%  , %&,.#, &.. ,.,  %&0   0%  , (&,.,0 #

"#$ 

 +,  ,   &(  1.  ,  &     %%  %   (  ,  % , % &  ,+72EEB-E==B-E=-E8 6EB-+7-8AE6H #

304

Educational Data Mining 2009

     45 $3#*   ,%@>>...## #EEC# 45 #*   ,%@>>...#%# > >#EEC# 485 #*   ,%@>>...-8E=## >&. >  >>#EEC 4:5 91 #*   ,%@>>...# #. 1 # #F>>.1 >#EEC 4;5  %#*   ,%@>> %-# >#EEC# 4=5 >...#1#>#EEC# 4A5 O P D#)R#9 & .-   #           EE#3 && * %%#=ES=:# 4B5  $#   # EE#'    . ,        &            #                  EE#< F  %%#:ES:;# 4C5   #     #    3   6#  $#