Please specify at least the mandatory parameters:
<ul>
<li><b>url:</b> Mandatory parameter. URL of the CNS file.</li>
<li><b>full:</b> Optional boolean parameter (default "false"). When "true", all information is returned. When false, only schema information is returned ("concept" parameter will be ignored in this case).
<li><b>schema:</b> Optional parameter. Alias of a particular schema to be described, in case there are multiple schemas in the document.</li>
<li><b>concept:</b> Optional parameter. Alias of a particular concept to be described. Requires the 'schema' parameter.</li>
</ul>
<br/>
<form enctype="multipart/form-data" action="cnsconverter.php" method="POST">
    <input type="hidden" name="MAX_FILE_SIZE" value="300000" />
    You can also upload the CNS file:&nbsp;<input name="cnsfile" type="file" size="50"/>
    <input type="submit" value="Upload file" />
</form>