http://www.slideshare.net/ebenhewitt/cassandra-datamodel-4985524
http://www.slideshare.net/mattdennis/cassandra-data-modeling
http://nosql.mypopescu.com/post/17419074362/cassandra-data-modeling-examples-with-matthew-f-dennis
http://s-expressions.com/2009/03/08/hbase-on-designing-schemas-for-column-oriented-data-stores/
http://jimbojw.com/wiki/index.php?title=Understanding_Hbase_and_BigTable
Document Databases:
http://www.slideshare.net/mongodb/mongodb-schema-design-richard-kreuters-mongo-berlin-preso
http://www.michaelhamrah.com/blog/2011/08/data-modeling-at-scale-mongodb-mongoid-callbacks-and-denormalizing-data-for-efficiency/
http://seancribbs.com/tech/2009/09/28/modeling-a-tree-in-a-document-database/
http://www.mongodb.org/display/DOCS/Schema+Design
http://www.mongodb.org/display/DOCS/Trees+in+MongoDB
http://blog.fiesta.cc/post/11319522700/walkthrough-mongodb-data-modeling
Full Text Search Engines:
http://www.searchworkings.org/blog/-/blogs/query-time-joining-in-lucene
http://www.lucidimagination.com/devzone/technical-articles/solr-and-rdbms-basics-designing-your-application-best-both
http://blog.griddynamics.com/2011/07/solr-experience-search-parent-child.html
http://www.lucidimagination.com/blog/2009/07/18/the-spanquery/
http://blog.mgm-tp.com/2011/03/non-standard-ways-of-using-lucene/
http://www.slideshare.net/MarkHarwood/proposal-for-nested-document-support-in-lucene
http://mysolr.com/tips/denormalized-data-structure/
http://sujitpal.blogspot.com/2010/10/denormalizing-maps-with-lucene-payloads.html
http://java.dzone.com/articles/hibernate-search-mapping-entit
Graph Databases:
http://docs.neo4j.org/chunked/stable/tutorial-comparing-models.html
http://blog.neo4j.org/2010/03/modeling-categories-in-graph-database.html
http://skillsmatter.com/podcast/nosql/graph-modelling
http://www.umiacs.umd.edu/~jimmylin/publications/Lin_Schatz_MLG2010.pdf
Demensionality Reduction:
http://www.slideshare.net/mmalone/scaling-gis-data-in-nonrelational-data-stores
http://blog.notdot.net/2009/11/Damn-Cool-Algorithms-Spatial-indexing-with-Quadtrees-and-Hilbert-Curves
http://www.trisis.co.uk/blog/?p=1287