About: http://webisa.webdatacommons.org/159664475

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	While many of these devices are effective in preventing a shoelace from becoming untied, there are also some problems that need to be overcome, particularly with respect to their use on infants' shoes.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com