bookmarks

http://software-carpentry.org/v5/novice/sql/01-select.html

http://www.thegeekstuff.com/2013/06/cut-command-examples/

http://teaching.software-carpentry.org/2014/10/01/assessment-pipes-and-filters-2/

http://linux.about.com/library/cmd/blcmdl1_sort.htm

http://www.ibm.com/developerworks/xml/library/j-sparql/

https://www.ibm.com/developerworks/java/library/j-jena/