It occurs to me that a single level of hierarchy might be desirable too.
http://www.nabble.com/forum/Search.jtp?query=yonik Narrow Search Results * Software (2301) o Apache (2296) + Lucene (2252) + more... o Web Search (2253) o Jetty (3) o more... Perhaps we should go relatively simple for this first iteration to get it out the door, and we can upgrade it to the full fledged format later with a facet.format param? -Yonik
