Using shared resources has created better opportunities in the field of sustainable logistics and procurement. The Multi-Depot Traveling Purchaser Problem under Shared Resources (MDTPPSR) is a new variant (TPP) inbound logistics. In this problem, each depot can purchase its products using other depots, vehicles do not have to return their starting depots. routing problem Multi-Trip, Open Vehicl...

Even for successfully implemented programs, there is a great risk that new work practices are not sustained over time. Previous research has yielded number of factors which influence program sustainability, but little known about most important in different contexts or how these interact. This study tests model sustainability case where structured needs assessment and documentation was the Swed...

The development of managed behavioral health care carve-out contracts covering a discrete subset of benefits available for use by persons with mental health and/or substance abuse disorders poses major challenges for public purchasers. This Issue Brief explores several key issues that arise when drafting such agreements. Many of the issues that arise in the drafting of carve-out agreements will...

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We present a novel approach to the Traveling Purchaser Problem (TPP), based on constraint programming and Lagrangean relaxation. The TPP is a generalization of the Traveling Salesman Problem involved in many realworld applications. Given a set of markets providing products at different prices and a list of products to be purchased, the problem is to determine the route minimizing the sum of the...

In this paper, we propose a scheme, named Software Tag, of software trade and development for improvement of traceability and transparency. Empirical data is collected during development, and processed into two types, open tag and secret tag, composing a software tag which is finally delivered to software purchaser.