conclusion investigative assessment of breast us by residents is inadvisable. we recommend continued professional resident training to improve the degree of agreement and performance. results for the faculty members, fair-to-good agreement was obtained in all descriptors and final assessment, while for residents, poor-to-moderate agreement was obtained. the areas under the roc curves were 0.78 ...

Media content personalisation is a major challenge involving viewers as well as media content producer and distributor businesses. The goal is to provide viewers with media items aligned with their interests. Producers and distributors engage in item negotiations to establish the corresponding service level agreements (SLA). In order to address automated partner lookup and item SLA negotiation,...

The proposed protocol has been designed to support the flexible formation of Request-Based Virtual Organisations (RBVOs) with an emphasis on reflecting the conditions of real competitive environments. It supports automated or semi-automated negotiations mainly in the creation part of a Virtual Organisation (VO) life cycle and it accounts for the use of Service Level Agreements (SLAs). The proto...

Growth in the outsourcing of IT services has led many organizations to enter into negotiated contractual agreements with both internal and external service providers known as information technology service level agreements (IT SLAs). To further empirical research into IT SLAs, we present a methodological approach based on the theory of conceptual spaces that allows the content of these negotiat...

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We present a unified approach for obtaining global a priori estimates for solutions of nonlinear defocusing Schrödinger equations with defocusing nonlinearities. The estimates are produced by contracting the local momentum conservation law with appropriate vector fields. The corresponding law is written for defocusing equations of tensored solutions. In particular, we obtain a new estimate in t...

In the monopoly nonlinear pricing problem with unobservable consumer types, we study mechanisms in which the firm makes the set of consumer options conditional on the aggregate reports of consumer types it receives. Previous mechanisms that exploit knowledge of the true type distribution often have multiple equilibria or use noncredible contracts off the equilibrium path. When the monopolist ca...

We present a type theory for analyzing concurrent multiparty interactions asfound in service-oriented computing, using the Conversation Calculus as under-lying model. Our theory introduces a novel and flexible type structure, able touniformly describe both the internal and the interface behavior of systems, re-ferred respectively as choreographies and contracts in web-services t...

In insurance economies with a continuum of agents and adverse selection, it is shown that incentive-constrained Pareto efficient allocations correspond to regulated competitive (or compensated competitive) equilibria in markets with non-linear pricing for options to buy insurance contracts. These options make the incentive constraints self-enforcing. Efficiency is achieved through a “universal ...