“A client of orgnet -- a small, not-for-profit, economic justice organization (EJO) -- used social network analysis to assist their city attorney in convicting a group of "slumlords" of various housing violations that the real estate investors had been side-stepping for years. The housing violations, in multiple buildings, included raw sewage leaks, multiple tenant children with high lead levels, eviction of complaining tenants, utility liens of six figures. Set of matrices of ties between real estate agents, businesses, persons, and properties, corresponding to the step-by-step analysis described here http://www.orgnet.com/slumlords.html
1-mode network 5x5 real estate transactions
2-mode network 11x5 owners by properties
1-mode network 11x11 person by person, relations are common ownership of properties
1-mode network 11x11 person by person, relations are family ties
1-mode network 13x13 person by person, relations are family ties
2-mode network 13x9 person by business and properties, relations are business affiliations/ownership
1 mode network 9x9 business/property by business/property, relations are having affiliated persons/owners in common