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<HTML> <HEAD> <!--SCRIPT LANGUAGE="JavaScript" SRC="http://a1835.g.akamai.net/f/1835/276/3h/www.netlibrary.com/include/js/dictionary_library.js"></SCRIPT> <SCRIPT LANGUAGE="JavaScript"> if (!opener){document.onkeyup=parent.turnBookPage;} </SCRIPT!--> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache"> <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Expires" CONTENT="-1"><META http-equiv="Content-Type" content="text/html; charset=windows-1252"><SCRIPT>var PrevPage="Page_213";var NextPage="Page_215";var CurPage="Page_214";var PageOrder="223";</SCRIPT> <TITLE>Document</TITLE> </HEAD> <BODY BGCOLOR="#FFFFFF"><CENTER><TABLE BORDER=0 WIDTH=100% CELLPADDING=0><TR><TD ALIGN=CENTER> <TABLE BORDER=0 CELLPADDING=2 CELLSPACING=0 WIDTH=100%> <TR> <TD ALIGN=LEFT><A HREF='Page_213.html'>Previous</A></TD> <TD ALIGN=RIGHT><A HREF='Page_215.html'>Next</A></TD> </TR> </TABLE></TD></TR><TR><TD ALIGN=LEFT><P><A NAME='JUMPDEST_Page_214'/><A NAME='{74B}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 WIDTH='100%'><TR><TD ALIGN=RIGHT><FONT FACE='Times New Roman, Times, Serif' SIZE=2 COLOR=#FF0000>Page 214</FONT></TD></TR></TABLE><A NAME='{74C}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR> <TD ROWSPAN=5></TD> <TD COLSPAN=3 HEIGHT=12></TD> <TD ROWSPAN=5></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR><TD></TD> <TD><FONT FACE='Times New Roman, Times, Serif' SIZE=3><B><I>Introduction</I></B></FONT></TD><TD></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR> <TD COLSPAN=3 HEIGHT=1></TD></TR></TABLE><A NAME='{74D}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD> <TD COLSPAN=3 HEIGHT=12></TD> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR><TD></TD> <TD><FONT FACE='Times New Roman, Times, Serif' SIZE=2><I>As more and more users, and more and more services come to the Internet, users are finding themselves increasingly overwhelmed with the richness of new possibilities, and new service providers are discovering that rapidly building systems to fit these users' information needs becomes ever more challenging.</I></FONT></TD><TD></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR> <TD COLSPAN=3 HEIGHT=1></TD></TR></TABLE><A NAME='{74E}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD> <TD COLSPAN=3 HEIGHT=12></TD> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR><TD></TD> <TD><FONT FACE='Times New Roman, Times, Serif' SIZE=2><I>In general, a solution to these problems often involves delivery of highly customized and personalized information to end users, which raises the profound and valid concern about making and keeping explicit commitments to users about how their most sensitive personal information, choices, preferences, and interest will be protected in these exchanges.</I></FONT></TD><TD></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR> <TD COLSPAN=3 HEIGHT=1></TD></TR></TABLE><A NAME='{74F}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD> <TD COLSPAN=3 HEIGHT=12></TD> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR><TD></TD> <TD><FONT FACE='Times New Roman, Times, Serif' SIZE=2><I>Companies and service organizations worldwide want to take advantage of the 1-to-1 nature of communications on the Internet or within intranets to provide their customers, employees and visitors with individualized information, entertainment and services. However, there are two barriers to the feasibility and widespread adoption of such products and services:</I></FONT></TD><TD></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR> <TD COLSPAN=3 HEIGHT=1></TD></TR></TABLE><A NAME='{750}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD> <TD COLSPAN=3 HEIGHT=12></TD> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR><TD></TD> <TD><FONT FACE='Times New Roman, Times, Serif' SIZE=2><I>1. The potential threat to individual privacy makes end users wary of sharing any information. Today, there are few measures or safeguards that offer an end user any awareness of or any control over the usage of his or her personal information. This concern often outweighs the incentive of a personalized service and makes a person justifiably cautious about revealing any personal information.</I></FONT></TD><TD></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR> <TD COLSPAN=3 HEIGHT=1></TD></TR></TABLE><A NAME='{751}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD> <TD COLSPAN=3 HEIGHT=12></TD> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR><TD></TD> <TD><FONT FACE='Times New Roman, Times, Serif' SIZE=2><I>2. Gathering the information that makes this personalization possible is inefficient. Service providers need to ask their visitors for information—who they are, where they live, what they do, what they like—in order to personalize the user experience. This data collection can be very time consuming for both the service provider and the end user, and can't be leveraged for their mutual benefit. Furthermore, a single individual might provide much the same information to dozens or even hundreds of parties over time—an inefficient and frustrating experience.</I></FONT></TD><TD></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR> <TD COLSPAN=3 HEIGHT=1></TD></TR></TABLE><A NAME='{752}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD> <TD COLSPAN=3 HEIGHT=12></TD> <TD ROWSPAN=5 WIDTH=24><IMG SRC='tab.gif' BORDER=0 WIDTH=24 HEIGHT=1></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR><TD></TD> <TD><FONT FACE='Times New Roman, Times, Serif' SIZE=2><I>The Open Profiling Standard (or OPS) is a proposed standard for exchanging profile information between individuals and service-providing parties, with built-in safeguards for individual privacy.</I></FONT></TD><TD></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR> <TD COLSPAN=3 HEIGHT=1></TD></TR></TABLE><A NAME='{753}'/><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0><TR> <TD ROWSPAN=5></TD> <TD COLSPAN=3 HEIGHT=12></TD> <TD ROWSPAN=5></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR><TD></TD> <TD><FONT FACE='Times New Roman, Times, Serif' SIZE=3>The OPS basically proposes the use of a Set-Profile header similar to the current Set-Cookie header, but with extensively much more information. Instead of a header with a few thousand bytes of name-value pairs for a single site, the Set-Profile header would contain a</FONT><FONT FACE='Times New Roman, Times, Serif' SIZE=3 COLOR=#FFFF00><!-- continue --></FONT></TD><TD></TD></TR><TR> <TD COLSPAN=3></TD></TR><TR> <TD COLSPAN=3 HEIGHT=1></TD></TR></TABLE><A NAME='{754}'/></FORM></P></TD></TR></TABLE><P><FONT SIZE=0 COLOR=WHITE></CENTER><A NAME="bottom"> </A><!-- netLibrary.com Copyright Notice --> </BODY></HTML>⌨️ 快捷键说明
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