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📄 svm_align.html

📁 svm(支持向量机)分类算法本质上是二类分类器
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      <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
      style="FONT-SIZE: 40pt">&nbsp;<o:p></o:p></SPAN></P>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
      style="FONT-SIZE: 40pt">SVM<I 
      style="mso-bidi-font-style: normal"><SUP>align</SUP></I><SUP><o:p></o:p></SUP></SPAN></P>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN style="FONT-SIZE: 18pt">Version V2.00<o:p></o:p></SPAN></P>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN style="FONT-SIZE: 18pt">&nbsp;<o:p></o:p></SPAN></P>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center>Authors: 
      Thorsten Joachims &lt;<I style="mso-bidi-font-style: normal"><SPAN 
      style="COLOR: #993300">thorsten (a) joachims.org</SPAN></I>&gt; &amp; </P>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center>Philip Zigoris 
      &lt;<I style="mso-bidi-font-style: normal"><SPAN 
      style="COLOR: #993300">paz3 (a) cs.cornell.edu</SPAN></I>&gt;</P>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center><U><SPAN 
      style="COLOR: #993300"><A href="javascript:if(confirm('http://www.cs.cornell.edu/  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.cs.cornell.edu/'" tppabs="http://www.cs.cornell.edu/"><SPAN 
      style="COLOR: #993300">Dept. of Computer 
      Science</SPAN></A><o:p></o:p></SPAN></U></P>
      <P class=MsoNormal style="TEXT-ALIGN: center" align=center><U><SPAN 
      style="COLOR: #993300"><A href="javascript:if(confirm('http://www.cornell.edu/  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.cornell.edu/'" tppabs="http://www.cornell.edu/"><SPAN 
      style="COLOR: #993300">Cornell 
      University</SPAN></A><o:p></o:p></SPAN></U></P></TD>
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<P class=MsoNormal style="TEXT-ALIGN: center" align=center><SPAN 
style="FONT-SIZE: 40pt">&nbsp;<o:p></o:p></SPAN></P>
<P class=MsoNormal><A name=intro><SPAN style="FONT-SIZE: 13.5pt">This document 
is organized as follows:</SPAN></A></P><SPAN style="mso-bookmark: intro"></SPAN>
<UL style="MARGIN-TOP: 0in" type=disc>
  <LI class=MsoNormal style="mso-list: l3 level1 lfo3; tab-stops: list .5in"><A 
  href="#intro"><SPAN 
  style="FONT-SIZE: 13.5pt; COLOR: maroon">Introduction</SPAN></A> 
  <LI class=MsoNormal style="mso-list: l3 level1 lfo3; tab-stops: list .5in"><A 
  href="#section1"><SPAN 
  style="FONT-SIZE: 13.5pt; COLOR: maroon">Downloading and installing</SPAN></A> 

  <LI class=MsoNormal style="mso-list: l3 level1 lfo3; tab-stops: list .5in"><A 
  href="#section4"><SPAN 
  style="FONT-SIZE: 13.5pt; COLOR: maroon">Model file format</SPAN></A> 
  <LI class=MsoNormal style="mso-list: l3 level1 lfo3; tab-stops: list .5in"><A 
  href="#section3"><SPAN 
  style="FONT-SIZE: 13.5pt; COLOR: maroon">Input file format</SPAN></A> 
  <LI class=MsoNormal style="mso-list: l3 level1 lfo3; tab-stops: list .5in"><A 
  href="#section5"><SPAN 
  style="FONT-SIZE: 13.5pt; COLOR: maroon">Program usage</SPAN></A> 
  <LI class=MsoNormal style="mso-list: l3 level1 lfo3; tab-stops: list .5in"><A 
  href="#section7"><SPAN 
  style="FONT-SIZE: 13.5pt; COLOR: maroon">References</SPAN></A> </LI></UL>
<P class=MsoNormal> </P>
<P class=MsoNormal> </P>
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style="mso-fareast-font-family: 'Times New Roman'">
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<P class=MsoNormal style="TEXT-ALIGN: center" align=center><B 
style="mso-bidi-font-weight: normal"><SPAN 
style="FONT-SIZE: 16pt; COLOR: #993300">&nbsp;<U><o:p></o:p></U></SPAN></B></P>
<P class=MsoNormal><SPAN 
style="FONT-SIZE: 22pt">Introduction<o:p></o:p></SPAN></P>
<P class=MsoNormal>In sequence alignment, one often has a good idea, a priori, 
of the appropriate values for various operations.<SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>For instance, your knowledge of 
bio-chemistry might tell you that the probability of a match occurring is 
greater than that of a protein being deleted from a sequence.<SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>Given these costs, one can find, by 
dynamic programming, the optimal sequence of operations that aligns two 
sequences.<SPAN style="mso-spacerun: yes">&nbsp; </SPAN>The problem of Inverse 
Sequence Alignment is, appropriately enough, the inverse of this.<SPAN 
style="mso-spacerun: yes">&nbsp; </SPAN>The learning problem can be generally 
phrased as, given a collection of sequences with pairs labeled either 憇imilar

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