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| <div class="title">crf.sql_in File Reference</div> </div> |
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| |
| <p>SQL functions for conditional random field. |
| <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:a2e7104fea95ca76587e7fae9bcb0d7ed"><td class="memItemLeft" align="right" valign="top">float8 [] </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a2e7104fea95ca76587e7fae9bcb0d7ed">lincrf_lbfgs_step_transition</a> (float8[], float8[], float8[], float8[], float8, float8, float8[])</td></tr> |
| <tr class="separator:a2e7104fea95ca76587e7fae9bcb0d7ed"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a45f3eaf0c80cdfa99872cd071020d5c7"><td class="memItemLeft" align="right" valign="top">float8 [] </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a45f3eaf0c80cdfa99872cd071020d5c7">lincrf_lbfgs_step_merge_states</a> (float8[] state1, float8[] state2)</td></tr> |
| <tr class="separator:a45f3eaf0c80cdfa99872cd071020d5c7"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a5bf4b2738003096f4eeeccd0eb5e98f0"><td class="memItemLeft" align="right" valign="top">float8 [] </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a5bf4b2738003096f4eeeccd0eb5e98f0">lincrf_lbfgs_step_final</a> (float8[] state)</td></tr> |
| <tr class="separator:a5bf4b2738003096f4eeeccd0eb5e98f0"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a47ef6b30d54ac4ef89cb664a681d1067"><td class="memItemLeft" align="right" valign="top">float8 </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a47ef6b30d54ac4ef89cb664a681d1067">internal_lincrf_lbfgs_converge</a> (float8[] state)</td></tr> |
| <tr class="separator:a47ef6b30d54ac4ef89cb664a681d1067"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aff63c9a56bebf501a2f40971271605c2"><td class="memItemLeft" align="right" valign="top">lincrf_result </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#aff63c9a56bebf501a2f40971271605c2">internal_lincrf_lbfgs_result</a> (float8[] state)</td></tr> |
| <tr class="separator:aff63c9a56bebf501a2f40971271605c2"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a590cd748d8e18055d851e7d4f4a3ca00"><td class="memItemLeft" align="right" valign="top">aggregate float8 [] </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a590cd748d8e18055d851e7d4f4a3ca00">lincrf_lbfgs_step</a> (float8[], float8[], float8[], float8, float8, float8[])</td></tr> |
| <tr class="separator:a590cd748d8e18055d851e7d4f4a3ca00"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a73693c959db4ca3dbfd1b9debcca2c8f"><td class="memItemLeft" align="right" valign="top">aggregate anyarray </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a73693c959db4ca3dbfd1b9debcca2c8f">array_union</a> (anyarray)</td></tr> |
| <tr class="separator:a73693c959db4ca3dbfd1b9debcca2c8f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a20c096420d878cdd66dac6a232483737"><td class="memItemLeft" align="right" valign="top">integer </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a20c096420d878cdd66dac6a232483737">compute_lincrf</a> (text source, text sparse_R, text dense_M, text sparse_M, text featureSize, integer tagSize, integer maxNumIterations)</td></tr> |
| <tr class="separator:a20c096420d878cdd66dac6a232483737"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a336ac57ae3d07e331646d397c7651d3d"><td class="memItemLeft" align="right" valign="top">text </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a336ac57ae3d07e331646d397c7651d3d">lincrf_train</a> (text train_feature_tbl, text train_featureset_tbl, text label_tbl, text crf_stats_tbl, text crf_weights_tbl, integer max_iterations)</td></tr> |
| <tr class="memdesc:a336ac57ae3d07e331646d397c7651d3d"><td class="mdescLeft"> </td><td class="mdescRight">Compute linear-chain crf coefficients and diagnostic statistics. <a href="#a336ac57ae3d07e331646d397c7651d3d">More...</a><br /></td></tr> |
| <tr class="separator:a336ac57ae3d07e331646d397c7651d3d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a6b7059a5e22e40eae252c718217bf574"><td class="memItemLeft" align="right" valign="top">text </td><td class="memItemRight" valign="bottom"><a class="el" href="crf_8sql__in.html#a6b7059a5e22e40eae252c718217bf574">lincrf_train</a> (text train_feature_tbl, text train_featureset_tbl, text label_tbl, text crf_stats_tbl, text crf_weights_tbl)</td></tr> |
| <tr class="separator:a6b7059a5e22e40eae252c718217bf574"><td class="memSeparator" colspan="2"> </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>July 2012</dd></dl> |
| <dl class="section see"><dt>See also</dt><dd>For a brief introduction to conditional random field, see the module description <a class="el" href="group__grp__crf.html">Conditional Random Field</a>. </dd></dl> |
| </div><h2 class="groupheader">Function Documentation</h2> |
| <a id="a73693c959db4ca3dbfd1b9debcca2c8f"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a73693c959db4ca3dbfd1b9debcca2c8f">◆ </a></span>array_union()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">aggregate anyarray array_union </td> |
| <td>(</td> |
| <td class="paramtype">anyarray </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="a20c096420d878cdd66dac6a232483737"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a20c096420d878cdd66dac6a232483737">◆ </a></span>compute_lincrf()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">integer compute_lincrf </td> |
| <td>(</td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>source</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>sparse_R</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>dense_M</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>sparse_M</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>featureSize</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">integer </td> |
| <td class="paramname"><em>tagSize</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">integer </td> |
| <td class="paramname"><em>maxNumIterations</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="a47ef6b30d54ac4ef89cb664a681d1067"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a47ef6b30d54ac4ef89cb664a681d1067">◆ </a></span>internal_lincrf_lbfgs_converge()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">float8 internal_lincrf_lbfgs_converge </td> |
| <td>(</td> |
| <td class="paramtype">float8 [] </td> |
| <td class="paramname"><em>state</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="aff63c9a56bebf501a2f40971271605c2"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aff63c9a56bebf501a2f40971271605c2">◆ </a></span>internal_lincrf_lbfgs_result()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">lincrf_result internal_lincrf_lbfgs_result </td> |
| <td>(</td> |
| <td class="paramtype">float8 [] </td> |
| <td class="paramname"><em>state</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="a590cd748d8e18055d851e7d4f4a3ca00"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a590cd748d8e18055d851e7d4f4a3ca00">◆ </a></span>lincrf_lbfgs_step()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">aggregate float8 [] lincrf_lbfgs_step </td> |
| <td>(</td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[], </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[], </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[], </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[] </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="a5bf4b2738003096f4eeeccd0eb5e98f0"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a5bf4b2738003096f4eeeccd0eb5e98f0">◆ </a></span>lincrf_lbfgs_step_final()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">float8 [] lincrf_lbfgs_step_final </td> |
| <td>(</td> |
| <td class="paramtype">float8 [] </td> |
| <td class="paramname"><em>state</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="a45f3eaf0c80cdfa99872cd071020d5c7"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a45f3eaf0c80cdfa99872cd071020d5c7">◆ </a></span>lincrf_lbfgs_step_merge_states()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">float8 [] lincrf_lbfgs_step_merge_states </td> |
| <td>(</td> |
| <td class="paramtype">float8 [] </td> |
| <td class="paramname"><em>state1</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 [] </td> |
| <td class="paramname"><em>state2</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="a2e7104fea95ca76587e7fae9bcb0d7ed"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a2e7104fea95ca76587e7fae9bcb0d7ed">◆ </a></span>lincrf_lbfgs_step_transition()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">float8 [] lincrf_lbfgs_step_transition </td> |
| <td>(</td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[], </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[], </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[], </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[], </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">float8 </td> |
| <td class="paramname">[] </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| </div> |
| </div> |
| <a id="a336ac57ae3d07e331646d397c7651d3d"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a336ac57ae3d07e331646d397c7651d3d">◆ </a></span>lincrf_train() <span class="overload">[1/2]</span></h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">text lincrf_train </td> |
| <td>(</td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>train_feature_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>train_featureset_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>label_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>crf_stats_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>crf_weights_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">integer </td> |
| <td class="paramname"><em>max_iterations</em> </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">source</td><td>Name of the source relation containing the training data </td></tr> |
| <tr><td class="paramname">sparse_R</td><td>Name of the sparse single state feature column (of type DOUBLE PRECISION[]) </td></tr> |
| <tr><td class="paramname">dense_M</td><td>Name of the dense two state feature column (of type DOUBLE PRECISION[]) </td></tr> |
| <tr><td class="paramname">sparse_M</td><td>Name of the sparse two state feature column (of type DOUBLE PRECISION[]) </td></tr> |
| <tr><td class="paramname">featureSize</td><td>Name of feature size column (of type DOUBLE PRECISION) </td></tr> |
| <tr><td class="paramname">tagSize</td><td>The number of tags in the tag set </td></tr> |
| <tr><td class="paramname">featureset</td><td>The unique feature set </td></tr> |
| <tr><td class="paramname">crf_feature</td><td>The Name of output feature table </td></tr> |
| <tr><td class="paramname">maxNumIterations</td><td>The maximum number of iterations</td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>a composite value:<ul> |
| <li><code>coef FLOAT8[]</code> - Array of coefficients, \( \boldsymbol c \)</li> |
| <li><code>log_likelihood FLOAT8</code> - Log-likelihood \( l(\boldsymbol c) \)</li> |
| <li><code>num_iterations INTEGER</code> - The number of iterations before the algorithm terminated <br /> |
| <br /> |
| A 'crf_feature' table is used to store all the features and corresponding weights</li> |
| </ul> |
| </dd></dl> |
| <dl class="section note"><dt>Note</dt><dd>This function starts an iterative algorithm. It is not an aggregate function. Source and column names have to be passed as strings (due to limitations of the SQL syntax). </dd></dl> |
| |
| </div> |
| </div> |
| <a id="a6b7059a5e22e40eae252c718217bf574"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a6b7059a5e22e40eae252c718217bf574">◆ </a></span>lincrf_train() <span class="overload">[2/2]</span></h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">text lincrf_train </td> |
| <td>(</td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>train_feature_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>train_featureset_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>label_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>crf_stats_tbl</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">text </td> |
| <td class="paramname"><em>crf_weights_tbl</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
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