1. A method of managing and maintaining scope in a service oriented architecture (SOA) industry model repository (IMR) comprising a meta model service associated with a physical asset repository including model assets, requirement models, and document models, the meta model service comprising: at least one topic map meta model with data specific to a particular topic or industry vertical included within an information model repository common meta-meta model, the information model repository common meta-meta model included within a meta-meta-meta model with a topic map based index, the method comprising: a) defining boundaries and definitions of scope and scope propagation of topics, associations, and occurrences within the SOA IMR; b) managing boundaries and definitions of scope and scope propagation within the SOA IMR; and c) maintaining boundaries and definitions of scope and scope propagation within the SOA IMR, wherein the scope is inheritance scoping.