XpressRules® LLC is organized around development of tools for business user enablement with specialization in information access control. Using a linguistics approach, XpressRules Studio is addresing policy-based access control: Applying open standards throughout entire information architectures, principals of the firm are Applying military-grade security technologies to patient-defined privacy in health information exchanges Developing domain-specific natural language interfaces to permit business users to govern assets directly Adopting and applying open-source technologies to assure genuine life cycle cost reductions Demonstrating production-level interoperability of heterogeneous information across disparate computer platforms