This paper describes the extended PARLAY X for the Adaptive Context-aware Personalized Service (ACPS) in a ubiquitous computing environment. It can be expected that the context-awareness, adaptation and personalization for the Quality of Service (QoS) / Quality of Experience (QoE) in a ubiquitous computing environment will be deployed. But the existing PARLAY X is lacking when considering QoS / QoE in network. To address this issue, this paper suggests the extended PARLAY X for ACPS. The

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... ve of this paper is to support the architecture and the Application Programming Interface (API) of the network service for the context-awareness, adaptation and personalization in a ubiquitous computing environment. ACPS provides a user with QoS / QoE in network according to the detected context such as location, speed and user's preference. The architecture of the extended PARLAY X for ACPS is comprised of a Service Creation Environment (SCE), the semantic context broker, and the overlay network. SCE uses Model Driven Architecture (MDA)-based Unified Modeling Language (UML) / Object Constraint Language (OCL) for an expression of context-awareness, adaptation, and personalization. The semantic context broker is a broker role between the SCE and PARLAY gateways. The overlay network is a broker role for QoS / QoE between PARLAY gateway and the IP network.