About: http://webisa.webdatacommons.org/99202602

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	where and are the sizes of the prey and predator populations, respectively. and is a positive constant. ,???,???and???are continuous periodic functions defined on with a common period . ,???,???are strictly positive.
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com