Name: index_qgram_ext
Author: Johannes Merkle <merkle@in.tum.de>
Author: Johannes Krugel <krugel@in.tum.de>
Maintainer: Johannes Krugel <krugel@in.tum.de>
License: BSD 3-clause
Copyright: 2011, Technische Universitaet Muenchen
Status: under development
Homepage: http://www14.in.tum.de/papi/
Description: A q-gram index structure with 2 levels reducing the space
 consumption.
 .
 [KWLL2005] M.-S. Kim and K.-Y. Whang and J.-G. Lee and M.-J. Lee
   "n-Gram/2L: A Space and Time Efficient Two-Level n-Gram Inverted Index
   Structure", 31st Intl. Conference on Very Large Data Bases (VLDB'05),
   ACM, 2005, 325-336, http://portal.acm.org/citation.cfm?id=1083592.1083632
 .
 See also:
 [Merkle2011] J. Merkle "Speicherplatzeffiziente q-Gramm-Indexe",
   Bachelor thesis, Technische Universitt Mnchen, 2012
