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<title>MADlib: viterbi.sql_in File Reference</title>
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<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">viterbi.sql_in File Reference</div>  </div>
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<div class="contents">

<p>concatenate a set of input values into arrays to feed into viterbi c function and create a human readable view of the output  
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a1471ce51491126b282ed8f9a2ac38b25"><td class="memItemLeft" align="right" valign="top">text&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="viterbi_8sql__in.html#a1471ce51491126b282ed8f9a2ac38b25">vcrf_top1_table</a> (text segment_tbl, text label_tbl, text resulttbl_raw, text result_tbl)</td></tr>
<tr class="memdesc:a1471ce51491126b282ed8f9a2ac38b25"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function creates the specified result_tbl containing top1 labels for the sequence.  <a href="#a1471ce51491126b282ed8f9a2ac38b25">More...</a><br /></td></tr>
<tr class="separator:a1471ce51491126b282ed8f9a2ac38b25"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a77b62d01f74a7bd206f6954c82638ba7"><td class="memItemLeft" align="right" valign="top">int []&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="viterbi_8sql__in.html#a77b62d01f74a7bd206f6954c82638ba7">vcrf_top1_label</a> (float8[] marray, float8[] rarray, int nlabel)</td></tr>
<tr class="memdesc:a77b62d01f74a7bd206f6954c82638ba7"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function implements the Viterbi algorithm which takes the sentence to be label as input and return the top1 labeling for that sentence.  <a href="#a77b62d01f74a7bd206f6954c82638ba7">More...</a><br /></td></tr>
<tr class="separator:a77b62d01f74a7bd206f6954c82638ba7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a05e8e687442b8f8618738d34010ef68d"><td class="memItemLeft" align="right" valign="top">text&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="viterbi_8sql__in.html#a05e8e687442b8f8618738d34010ef68d">vcrf_label</a> (text segment_tbl, text factor_mtbl, text factor_rtbl, text label_tbl, text result_tbl)</td></tr>
<tr class="memdesc:a05e8e687442b8f8618738d34010ef68d"><td class="mdescLeft">&#160;</td><td class="mdescRight">This function prepares the inputs for the c function 'vcrf_top1_label' and invoke the c function.  <a href="#a05e8e687442b8f8618738d34010ef68d">More...</a><br /></td></tr>
<tr class="separator:a05e8e687442b8f8618738d34010ef68d"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><dl class="section date"><dt>Date</dt><dd>February 2012 </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a05e8e687442b8f8618738d34010ef68d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a05e8e687442b8f8618738d34010ef68d">&#9670;&nbsp;</a></span>vcrf_label()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">text vcrf_label </td>
          <td>(</td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>segment_tbl</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>factor_mtbl</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>factor_rtbl</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>label_tbl</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>result_tbl</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">segment_tbl</td><td>Name of table containing all the testing sentences. </td></tr>
    <tr><td class="paramname">factor_mtbl</td><td>Name of table containing all the m factors. </td></tr>
    <tr><td class="paramname">factor_rtbl</td><td>Name of table containing all the r factors. </td></tr>
    <tr><td class="paramname">label_tbl</td><td>Name of table containing all the labels in the label space. </td></tr>
    <tr><td class="paramname">result_tbl</td><td>Name of table to store the output </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the top1 label sequence, the last two elements in the array is used to calculate the top1 probability </dd></dl>

</div>
</div>
<a id="a77b62d01f74a7bd206f6954c82638ba7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a77b62d01f74a7bd206f6954c82638ba7">&#9670;&nbsp;</a></span>vcrf_top1_label()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int [] vcrf_top1_label </td>
          <td>(</td>
          <td class="paramtype">float8 []&#160;</td>
          <td class="paramname"><em>marray</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float8 []&#160;</td>
          <td class="paramname"><em>rarray</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>nlabel</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">marray</td><td>Name of arrays containing m factors </td></tr>
    <tr><td class="paramname">rarray</td><td>Name of arrays containing r factors </td></tr>
    <tr><td class="paramname">nlabel</td><td>Total number of labels in the label space </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the top1 label sequence, the last two elements in the array is used to calculate the top1 probability </dd></dl>

</div>
</div>
<a id="a1471ce51491126b282ed8f9a2ac38b25"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1471ce51491126b282ed8f9a2ac38b25">&#9670;&nbsp;</a></span>vcrf_top1_table()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">text vcrf_top1_table </td>
          <td>(</td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>segment_tbl</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>label_tbl</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>resulttbl_raw</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">text&#160;</td>
          <td class="paramname"><em>result_tbl</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">segment_tbl</td><td>Name of table containing all the testing sentences. </td></tr>
    <tr><td class="paramname">label_tbl</td><td>Name of table containing all the labels in the label space. </td></tr>
    <tr><td class="paramname">result_tbl</td><td>Name of table storing the best label sequence and the conditional probability. </td></tr>
  </table>
  </dd>
</dl>

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