Many important problems in engineering management can be formulated as Resource Assignment Problem (RAP). The Workers (WAP) is considered a sub-class of RAP which aims to find an optimal assignment workers number tasks order optimize certain objectives. WAP NP-hard combinatorial optimization problem. Due its importance, several algorithms have been developed solve it. In this paper, it that man...

We present a comprehensive approach to using electronic medical records (EMR) for constructing contact networks of healthcare workers in a hospital. This approach is applied at the University of Iowa Hospitals and Clinics (UIHC)--a 3.2 million square foot facility with 700 beds and about 8,000 healthcare workers--by obtaining 19.8 million EMR data points, spread over more than 21 months. We use...

Evaluating worker’s suitability for a job is an important tool for Human Resources Managers (HRMs) to select the better candidates under various evaluation criteria. A problem of workers' assignment is studied in this paper in order to find the best assignment of workers to vacancies ensuring assigning a specified worker in a specified job. The objectives might be minimizing the total time to c...

Question: Foundress associations of the desert leaf-cutter ant Acromyrmex versicolor exhibit a single forager-foundress prior to worker eclosion. A prior specialized task, removing soil from the nest during excavation, allocates later forager risk. Experiment reveals that a queen refusing such prior assignment is not replaced by her cofoundresses; rather, these latter suicidally punish the shir...

Educational Self-Selection, Tasks Assignment and Rising Wage Inequality This paper presents a general equilibrium assignment model of workers to tasks with endogenous human capital formation and multidimensionality of skills. The model has 2 key features. First, skills are endogenous and multidimensional. Second, two types of assignment occur, workers self-select their education and firms assig...

We examine whether CEO power can explain the vast amount defined benefit pensions received by them. Analyzing a sample of UK firms from 2003 to 2006, we find that pensions constitutes of almost 15% of the average CEO compensation. Statistical analysis shows that the variables representing increased CEO power have a positive influence on pension pay. We also find that the presence of defined ben...

1 An employee injured at work in the UK is able to claim not only no-fault social security benefit from the state under the industrial injuries compensation scheme, but also damages from the employer if liability in tort can be established. Use of one system of compensation does not lead to exclusion from the other; there is no ‘employer privilege’ preventing an employee claiming from both work...

Data processing systems offer an ever increasing degree of parallelism on the levels of cores, CPUs, and processing nodes. Query optimization must exploit high degrees of parallelism in order not to gradually become the bottleneck of query evaluation. We show how to parallelize query optimization at a massive scale. We present algorithms for parallel query optimization in left-deep and bushy pl...