Fig. 3
From: Scalable architecture for Big Data financial analytics: user-defined functions vs. SQL
Financial analytics data structures. The top part shows the data structures of the two main data input data sets, i.e. contracts and risk factors. The lower part shows the joined contract–risk factor input table where each row is an independent combination of contract and risk factor information. Since all rows are independent from each other, we can easily parallelize the calculation of the resulting cash flows