A performance study of four index structures for set-valued attributes of low cardinality Sven Helmer and Guido Moerkotte   View Paper (PDF)   Return to October 2003, Volume 12, Number 3 BIBTEX @Article{Helmer:2003:PSF,   author =       {Sven Helmer and Guido Moerkotte},    title =        {A performance study of four index structures for set-valued attributes of low cardinality},    journal =      {VLDB Journal},    volume =       {12},    number =       {3},    pages =        {244--261},    month =        {Oct},    year =         {2003},    CODEN =        {VLDBFR},    ISSN =         {0938-1287 (print), 1432-2153 (electronic)},    bibdate =      {Mon Dec 22 18:15:00 MST 2003},    acknowledgement = {Nelson H. F. Beebe},    DOI =          {10.1007/s00778-003-0106-0} } ©2004 Association for Computing Machinery