Links:
[1] http://www.linuxfoundation.org/tags/open-source
[2] http://www.linuxfoundation.org/tags/prior-art
[3] http://www.uspto.gov/web/offices/opc/
[4] http://www.uspto.gov/go/classification/selectnumwithtitle.htm
[5] http://www.uspto.gov/go/classification/uspc345/sched345.htm
[6] http://www.uspto.gov/go/classification/uspc700/sched700.htm
[7] http://www.uspto.gov/go/classification/uspc701/sched701.htm
[8] http://www.uspto.gov/go/classification/uspc702/sched702.htm
[9] http://www.uspto.gov/go/classification/uspc703/sched703.htm
[10] http://www.uspto.gov/go/classification/uspc704/sched704.htm
[11] http://www.uspto.gov/go/classification/uspc705/sched705.htm
[12] http://www.uspto.gov/go/classification/uspc706/sched706.htm
[13] http://www.uspto.gov/go/classification/uspc707/sched707.htm
[14] http://www.uspto.gov/go/classification/uspc711/sched711.htm
[15] http://www.uspto.gov/go/classification/uspc715/sched715.htm
[16] http://www.uspto.gov/go/classification/uspc717/sched717.htm
[17] http://www.uspto.gov/go/classification/uspc718/sched718.htm
[18] http://gams.nist.gov/Taxonomy.html
[19] http://www.acm.org/class/1998/ccs98.html
[20] http://www.acm.org/class/