Amy Loutfi Silvia Coradeschi Marios Daoutis Jonas Melchert Using Knowledge Representation for Perceptual Anchoring in a Robotic System. 925-944 2008 17 International Journal on Artificial Intelligence Tools 5 http://dx.doi.org/10.1142/S0218213008004229 db/journals/ijait/ijait17.html#LoutfiCDM08