hi, i'd go for RDF
check out LucenSail (http://dev.nepomuk.semanticdesktop.org/wiki/LuceneSail) or our alpha @ turnguard.com/tuqs which is a quad store based on lucene, with high speed (lucence) data retrieval capabilities you would have your metadata in rdf ( :) where it belongs) and have a fully searchable lucene index. wkr www.turnguard.com/turnguard ----- Original Message ----- From: "Disc Magnet" <discmag...@gmail.com> To: java-user@lucene.apache.org Sent: Monday, March 22, 2010 2:57:50 PM Subject: Is Lucene good to maintain metadata in a hierarchical manner? Hi, I want to know whether Lucene is good for a situation like this: We need to store metadata about various users of our application in this format. 1. Name 2. Time of registration 3. Other details The users are divided into various classes, e.g. prospective customer, customer, employee, etc. In a file system approach, one would create a folder for each class and put the details of each user as a file in the correct folder. Another approach would be to have a file for each class and put the details of each user as a record in the file. Then we would run the Linux commands like grep, sed, awk, etc. to search through the files and select the information we want. I am wondering if Lucene is good enough for such a problem. If yes, what advantages does it offer over RDBMSes. Also, what is more suited to the problem I have mentioned: Lucene or Solr? --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org -- punkt. netServices ______________________________ Jürgen Jakobitsch Codeography Lerchenfelder Gürtel 43 Top 5/2 A - 1160 Wien Tel.: 01 / 897 41 22 - 29 Fax: 01 / 897 41 22 - 22 netServices http://www.punkt.at --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org