About: http://webisa.webdatacommons.org/309355131

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	Therefore, the spectrum calculation is a problem to solve an ill-posed linear system by using Tikhonov regularization method.
http://www.w3.org/ns/prov#wasQuotedFrom	science.gov