12 research outputs found

    A Decision Support System to Evaluate Suppliers in the Context of Global Service Providers

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    In this paper, we present a decision support system (DSS) developed for a global service provider (GSP), which solves a real-world supplier selection problem. The GSP operates in the Italian market of facility management, supplying customers with a variety of services. These services are subcontracted to external qualified suppliers spread all over Italy and chosen on the basis of several criteria, such as service quality, availability and proximity. Selecting the best supplier is a complex task due to the large number of suppliers and the great variety of facility management services offered by the GSP. In the proposed DSS, the choice of the best supplier for a certain service is made according to a thorough multi-criteria analysis. The weights for the criteria were generated by implementing both a simplified analytic hierarchy process and a revised Simos' procedure, later validated by the decision makers at the GSP. The DSS provides quick access to historical performance data, visual tools to aid decisions, and a suggested ranked list of suppliers for each given contract. The effectiveness of the proposed system was assessed by means of extensive simulations on a seven-year period of real-data and several rounds of validation with the company

    Distribution of distances between adjacent pre-selected and selected SNPs in euchromatic and heterochromatic regions.

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    <p>(A) Selected SNPs (50,701) in euchromatic regions of SoySNP50K and the pre-selected SNPs (73,084) in euchromatic regions. (B) Selected SNPs (10,000) in heterochromatic regions and pre-selected SNPs (72,272) in heterochromatic regions.</p

    F<sub>st</sub> values of <i>G. soja</i> vs. landraces and elite cultivars vs. landraces along chromosome Gm14 and Gm04.

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    <p>(A) Significant F<sub>st</sub> values on Gm14 between SSR markers Sat_355 and Satt474 may contain loci associated with soybean domestication (B) Significant F<sub>st</sub> values between SSR markers Satt396 and Sat_140 may contain loci that were under selection in N. American soybean breeding programs.</p
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