/dt>
<dd><p>a data.frame providing for each BE ID ("id" column) an attribute
value ("value" column). There can be several values for each id.</p></dd>


<dt id="arg-be">be<a class="anchor" aria-label="anchor" href="#arg-be"></a></dt>
<dd><p>a character corresponding to the BE type (default: "Gene")</p></dd>


<dt id="arg-dbname">dbname<a class="anchor" aria-label="anchor" href="#arg-dbname"></a></dt>
<dd><p>the DB from which the BE ID are taken</p></dd>


<dt id="arg-attribute">attribute<a class="anchor" ar