Ubiquitous networking empowered by Beyond 3G networking makes it possible for mobile users to access networked software services across heterogeneous infrastructures by resource-constrained devices. Heterogeneity and device limitedness creates serious problems for the development and deployment of mobile services that are able to run properly on the execution context and are able to ensures tha...

Goal of Web service discovery is twofold: (i) to find Web services able to perform the functionalities required by a user, and (ii) to select, among the found Web services, which are the ones able to work in the way the user wants. Focusing on the second step, usually, a matchmaking algorithm takes place to verify if the quality offered by the Web service provider contains the quality requested...

As a popular service composition technology, workflow has been successfully used in wireless sensor networks (WSNs) to compose a set of atomic services for service-oriented WSN applications. However, in a resource-constrained WSN, the sensed data is usually inaccurate or even missing, and this affects the normal execution of atomic services and may result in the non-guaranteed workflow QoS. Bec...

Data Quality Monitoring (DQM) is the continuous process that evaluates a set of data to determine if they meet the planning objectives of a project. In practice, business managers may prefer to outsource the overall process of DQM, due to either operational or financial reasons. Nowadays, hardwareand service-level outsourcing is usually done by using cloud computing technologies. In this scenar...

The fast emergence and acceptance of service oriented architectures leads to fast development of extensional technologies like service delivery, discovery and composition. As main effort is being spent on automatic discovery and composition, current solutions do not reflect real world scenarios sufficiently. Services are offered by different vendors with different quality levels and prices. Lar...

This paper addresses two questions. Firstly, how is it possible for an application to become aware of network conditions and secondly, given this awareness, how can a system be designed that will allow application level adaptation? A framework enabling these adaptations, consisting of three components, is proposed: A network monitor makes available to applications measurements of the Quality of...