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zed said:Code:http://portal.acm.org/citation.cfm?id=353071.353127&coll=Portal&dl=ACM&CFID=11422994&CFTOKEN=67867804 http://portal.acm.org/citation.cfm?id=1363686.1363715&coll=Portal&dl=ACM&CFID=11422994&CFTOKEN=67867804
zed said:Code:http://portal.acm.org/citation.cfm?id=1099203.1099211&coll=ACM&dl=ACM&CFID=13182953&CFTOKEN=21730514 http://portal.acm.org/citation.cfm?id=1185335.1185336&coll=ACM&dl=ACM&CFID=13182953&CFTOKEN=21730514


