!"#$$%&'()*+,-&.-*/)01-23&'()*+,-& !45**1675+,-& 8)90(50:&;<3&<=;>& Zornitsa Kozareva! USC/ISI! Marina del Rey, CA! [email protected]! www.isi.edu/~kozareva! !"#$%&'%(')%&'%*"+,%(')%"#-+%#%.)+/0',1% Q> How do you get a perfect sun tan? Question Search Engine 2% !"#$%&'%(')%&'%*"+,%(')%"#-+%#%.)+/0',1% Q> How do you get a perfect sun tan? 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What is another good measure for the evaluation of question classification?! R3% K-#;)#0',%4+#/)5+/% • 4+#,% [+6895'6#;% [#,A% =4[[?% 8/% )/+&% $'% +-#;)#$+% #% ;8/$% '<% 9'//8M;+% 5+/9',/+/% $'% #% .)+5(B%'5&+5+&%M(%95'M#M8;8$(%'<%6'55+6$,+//L% Q 1 1 MRR = " Q i=1 RAT '()*+,-& ! Q – total number of questions to evaluate RAT – rank at which answer type is found F)*(4B&,?&Q0)@17B)@&& .-*/)0&J:H)& !"#$% 8/% b86"';#/% U#7+X/%+(,-.**/,!1%% 9+5/',B%M8'B%6',$#6$%8,<'B%&+E,80',% !"#$%8/%$"+%$#;;+/$% 6)/'2/!7"8,%T#9#,1%% +,0$(B%;'6#0',B%79+B%<#68;8$(% !,00)7B& F5-D& F)71H0,754& .-*/)0&J:H)& F5-D& M8'% <#68;8$(% K-#;)#0',%4+#/)5+/% • 4+#,% [+6895'6#;% [#,A% =4[[?% 8/% )/+&% $'% +-#;)#$+% #% ;8/$% '<% 9'//8M;+% 5+/9',/+/% $'% #% .)+5(B%'5&+5+&%M(%95'M#M8;8$(%'<%6'55+6$,+//L% Q 1 1 MRR = " Q i=1 RAT '()*+,-& ! Q – total number of questions to evaluate RAT – rank at which answer type is found F)*(4B&,?&Q0)@17B)@&& .-*/)0&J:H)& !"#$% 8/% b86"';#/% U#7+X/%+(,-.**/,!1%% 9+5/',B%91,B%6',$#6$%8,<'B%&+E,80',% !"#$%8/%$"+%$#;;+/$% 6)/'2/!7"8,%T#9#,1%% +,0$(B%;'6#0',B%79+B%?57141B:& !,00)7B& F5-D& F)71H0,754& .-*/)0&J:H)& F5-D& M8'% 3% 2l3% <#68;8$(% R% 2lR% MRR=0.375 G)+/0',%U;#//8E6#0',%Z+5<'5:#,6+% • W#/+;8,+%:'&+;% – M#7C'<C*'5&% <+#$)5+/% =8L+L% $"+% 8,&8-8&)#;% *'5&/% $"#$%:#A+%)9%$"+%.)+/0',?% • OM$#8,+&%5+/);$/%*8$"%&+/658M+&%<+#$)5+/% F5-D&F& V5*)41-)& ":-B5P W91205AX& ")A5-+7& ":-B5PY")A5-+7& 2% ``LSu% `zLz2% zfLFu% z2L3S%% 3% zYLR3% zYLzS% ufLRS% zzLSz% F% zuLS2% ufLFf% uFL2f% uFLF3% R% u2L2Y% u2L`R% uSLSS% uRLRf% S% u3LYf% u3Lz3% u`LFR% uSLFF% 2f% uSLFF% uSLRf% uSLRf% u`L3f% 4[[% LZ$>[& LzS2`% Lz`3`% LZ[>[&WY>X& K55'5%H,#;(/8/% • V,6',/8/$+,6(%8,%$"+%;#M+;+&%&#$#% Type %!"'%8/%8)9.":''/!73,!1% person %!"'%8/%;4&('.*"</!26.(741% biography % %!"#$%&'+/%;=="/$#,&%<'51% organization %!"#$%&'+/%>?@?"/$#,&%<'51% definition K55'5%H,#;(/8/% • H:M87)')/%#,/*+5%$(9+/% Type %!"+5+%*#/%e8,6';,%#//#//8,#$+&1% facility location Type % %!"+5+%*#/%$"+%#6$5+//B%4#58',%c#-8+/B%M)58+&1% facility location K55'5%H,#;(/8/% • V,"+5+,$;(%&8J6);$%.)+/0',/% Type %!"#$%8/%$"+%,#:+%'<%$"+%e8',%^8,7X/%/',%8,%$"+%% animal %%%:'-8+%j\"+%e8',%^8,7k1% %%%%!"'%&+-+;'9+&%9'$;#$6"1% nationality K55'5%H,#;(/8/% • ZO_C$#778,7%:8/6;#//8E6#0',/%% Type !"#$%N_%@'-+5,:+,$%#7+,6(%5+78/$+5/% $5#&+:#5A/1% !"#$l!Z%N_lbbZ%@'-+5,:+,$lbb%&7.!1Albb%% 5+78/$+5/lbb_%$5#&+:#5A/lbb_%1lL% Possible solution do a pull parse tree of the question! organization K55'5%H,#;(/8/% • !'5&b+$%6'-+5#7+%#,&%#:M87)8$(% Type !"#$%1.(.&'"7'+/%j/,#9B%65#6A;+B%9'9k1%%% !'5&b+$%_+,/+%2% 6+5+#;B%6+5+#;%75#//% %%%%%%%v|%75#//% %%%%%%%%%%%v|%75#:8,+')/%9;#,$B%75#:8,#6+')/%9;#,$% %%%%%%%%%%%%%%%v|%"+5MB%"+5M#6+')/%9;#,$% %%%%%%%%%%%%%%%%%%%v|%-#/6);#5%9;#,$% product U#,%(')%M)8;&%(')5%'*,%GU%/(/$+:1% V,%*"#$%68$(%*#/%Z+$+5%M'5,1%% !"#$%8/%Z+$+5X/%M85$"9;#6+1%% !"#$%8/%$"+%M85$"9;#6+%'<%Z+$+51% b#:+%Z+$+5X/%M85$"9;#6+L% !"#$%8/%$"+%$#;;+/$%:'),$#8,1% !"#$%8/%$"+%"87"+/$%:'),$#8,%8,%$"+%*'5;&1% b#:+%$"+%"87"+/$%:'),$#8,L% !"#$%8/%$"+%,#:+%'<%$"+%$#;;+/$%:'),$#8,1% S2%
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