Oracle Corp has signed an agreement with the Reliance Comm/Tec Corp unit of Reliance Electrical Co, Cleveland, Ohio to develop and market interactive multimedia systems for network providers. The venture will combine Reliance Comm/Tec’s Matrix system and Oracle’s recently-launched Media Net and Media Server products. According to the companies, the Matrix system will accommodate speech, video data and wireless transmissions over all distribution media including copper wire, fibre optic cable, coaxial cable, and combined fibre-coax networks. Media Net is an open, high-level protocol designed to be used to connect users requesting on-demand services through television sets to the Media Server, a digital multimedia library, which delivers the requested services to the user.