<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE lire:report-spec PUBLIC
  "-//LogReport.ORG//DTD Lire Report Specification Markup Language V1.0//EN"
  "http://www.logreport.org/LRSML/1.0/lrsml.dtd">
<lire:report-spec xmlns:lire="http://www.logreport.org/LRSML/"
 superservice="www" schema="www-user_session" 
 id="user_sessions-by-period" charttype="histogram">

 <lire:title>User Sessions By Period WWW Report</lire:title>

 <lire:description>
  <para>This report shows the number of user sessions by time period.</para>
 </lire:description>

 <lire:param-spec>

  <lire:param name="period" type="duration" default="1d">
   <lire:description>
    <para>This parameter controls the time period over which the user sessions 
     are aggregated.
    </para>
   </lire:description>
  </lire:param>

 </lire:param-spec>

 <lire:display-spec>
  <lire:title>User Sessions By $period Period</lire:title>
 </lire:display-spec>

 <lire:report-calc-spec>
  <lire:timegroup period="$period">
   <lire:count name="session_count"/>
  </lire:timegroup>
 </lire:report-calc-spec>

</lire:report-spec>

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