Oaa

OAA is an acronym that can refer to several different organizations, laws, and scientific terms. Notable uses include the following.

In biochemistry, OAA commonly denotes oxaloacetic acid, or oxaloacetate in its ionized form. It is a four-carbon dicarboxylic acid that serves as a key intermediate in the citric acid cycle and in gluconeogenesis. In the citric acid cycle, oxaloacetate combines with acetyl-CoA to form citrate, and the cycle regenerates oxaloacetate to continue the process.

Open Agent Architecture refers to a framework for building distributed artificial agents. It provides a standardized infrastructure for communication, coordination, and reasoning among heterogeneous software components, enabling integration across different platforms and domains. The approach has been used in research on multi-agent systems and in various applications that require agent interoperability.

The Older Americans Act, enacted in 1965, is a United States federal law that funds a range of services to support older adults. These services include nutrition programs, in-home and community-based services, transportation, and caregiver support. The act established the federal Administration on Aging and, later, the Administration for Community Living to coordinate aging-related programs.

The Ontario Association of Architects is the regulatory body and professional association for architects in Ontario, Canada. It licenses practitioners, administers a code of ethics and standards of practice, and oversees continuing education and professional conduct within the province.