Abstract: Although Object Management Group (OMG) Unified Modeling Language (UML) introduced Object Constraint Language (OCL) to add formalism as constraints in its models, it still lacks formal ...

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, ...

The truth about this rate of return on real estate invesment property Lea Uradu, J.D., is a Maryland state registered tax preparer, state-certified notary public, certified VITA tax preparer, IRS ...

Well, never mind, they're busy, they're all getting on with the business of life. From starting off small, to growing up, to producing the next generation, all living things have a life cycle and each ...