þÿ<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta name=Title content="SIGCHI Conference Paper Format"> <meta name=Keywords content="Guides, instructions, Author's kit, Conference Publications"> <meta http-equiv=Content-Type content="text/html; charset=unicode"> <meta name=ProgId content=Word.Document> <meta name=Generator content="Microsoft Word 10"> <meta name=Originator content="Microsoft Word 10"> <link id=Main-File rel=Main-File href="dalal.htm"> </head> <body lang=EN-US link=blue vlink=purple> <div style='mso-element:footnote-separator' id=fs> <p class=MsoNormal><span style='mso-special-character:footnote-separator'><![if !supportFootnotes]> <hr align=left size=1 width="33%"> <![endif]></span></p> </div> <div style='mso-element:footnote-continuation-separator' id=fcs> <p class=MsoNormal><span style='mso-special-character:footnote-continuation-separator'><![if !supportFootnotes]> <hr align=left size=1> <![endif]></span></p> </div> <div style='mso-element:endnote-separator' id=es> <p class=MsoNormal><span style='mso-special-character:footnote-separator'><![if !supportFootnotes]> <hr align=left size=1 width="33%"> <![endif]></span></p> </div> <div style='mso-element:endnote-continuation-separator' id=ecs> <p class=MsoNormal><span style='mso-special-character:footnote-continuation-separator'><![if !supportFootnotes]> <hr align=left size=1> <![endif]></span></p> </div> <div style='mso-element:footer' id=ef1> <div style='mso-element:frame;mso-element-wrap:around;mso-element-anchor-vertical: paragraph;mso-element-anchor-horizontal:margin;mso-element-left:outside; mso-element-top:.05pt;mso-height-rule:exactly'> <table cellspacing=0 cellpadding=0 hspace=0 vspace=0 align=right> <tr> <td valign=top align=left style='padding-top:0pt;padding-right:0pt; padding-bottom:0pt;padding-left:0pt'> <p class=MsoFooter style='mso-element:frame;mso-element-wrap:around; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:margin; mso-element-left:outside;mso-element-top:.05pt;mso-height-rule:exactly'><!--[if supportFields]><span class=MsoPageNumber><span style='mso-element:field-begin'></span>PAGE<span style="mso-spacerun: yes">&nbsp; </span><span style='mso-element:field-separator'></span></span><![endif]--><span class=MsoPageNumber>4</span><!--[if supportFields]><span class=MsoPageNumber><span style='mso-element:field-end'></span></span><![endif]--><span class=MsoPageNumber><o:p></o:p></span></p> </td> </tr> </table> </div> <p class=MsoFooter style='margin-right:18.0pt;text-indent:18.0pt'><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></p> </div> <div style='mso-element:footer' id=f1> <div style='mso-element:frame;mso-element-wrap:around;mso-element-anchor-vertical: paragraph;mso-element-anchor-horizontal:margin;mso-element-left:outside; mso-element-top:.05pt;mso-height-rule:exactly'> <table cellspacing=0 cellpadding=0 hspace=0 vspace=0 align=right> <tr> <td valign=top align=left style='padding-top:0pt;padding-right:0pt; padding-bottom:0pt;padding-left:0pt'> <p class=MsoFooter style='mso-element:frame;mso-element-wrap:around; mso-element-anchor-vertical:paragraph;mso-element-anchor-horizontal:margin; mso-element-left:outside;mso-element-top:.05pt;mso-height-rule:exactly'><!--[if supportFields]><span class=MsoPageNumber><span style='mso-element:field-begin'></span>PAGE<span style="mso-spacerun: yes">&nbsp; </span><span style='mso-element:field-separator'></span></span><![endif]--><span class=MsoPageNumber>5</span><!--[if supportFields]><span class=MsoPageNumber><span style='mso-element:field-end'></span></span><![endif]--><span class=MsoPageNumber><o:p></o:p></span></p> </td> </tr> </table> </div> <p class=MsoFooter style='margin-right:18.0pt;text-indent:18.0pt'><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></p> </div> <div style='mso-element:header' id=eh2> <p class=MsoHeader align=left style='text-align:left;tab-stops:133.0pt'><![if !supportEmptyParas]>&nbsp;<![endif]><o:p></o:p></p> </div> </body> </html>