id	domain	url
dad-10723	www.biologylessons.sdsu.edu	http://www.biologylessons.sdsu.edu
dad-10723	www.aclweb.org	http://www.aclweb.org
dad-10723	portal.acm.org	http://portal.acm.org/citation.cfm?id=1693756.1693766
dad-10723	portal.acm.org	http://portal.acm.org/citation
dad-10723	www.aaai.org.proxy.lib.sfu.ca	www.aaai.org.proxy.lib.sfu.ca/ojs/index.php/aimagazine/article/view/2303
dad-10723	oro.open.ac.uk	http://oro.open.ac.uk/22343/
dad-10723	oro.open.ac.uk	http://oro.open.ac.uk/22343/
dad-10723	oro.open.ac.uk	http://oro.open.ac.uk/22343/
dad-10723	www.aclweb.org	http://www.aclweb.org/anthology/d/d09/d09-1137
dad-10723	www.aclweb.org	http://www.aclweb.org/anthology/w11-1414
dad-10723	oro.open.ac.uk	http://oro.open.ac.uk/22343/
dad-10723	dx.doi	http://dx.doi
dad-10723	rer.sagepub.com	http://rer.sagepub.com/content/50/1/55.abstract
dad-10723	cs.jhu.edu	http://cs.jhu.edu/∼xuchen/paper
dad-10723	dx.doi.org	http://dx.doi.org/10.1109/tkde.2009.25