Abstract: In this paper, we propose an efficient query-by-example method for large-scale video data. To implement this, we address the following three problems. The first one is that large-scale video ...

If you are into big data, you must be already aware of the popularity of MapReduce. There is a massive demand for MapReduce professionals in the Industries. Many candidates are willing to build their ...

Mapper converts each row to a **key, value** pair: category, cost.

This is an example of how to use the mapReduce function to perform map/reduce style aggregation on your data. Now we'll define our map and reduce functions to count the number of occurrences for each ...

Urs Holzle, the senior vice president of technical infrastructure and Google Fellow at Google and Google's eighth employee, announced Google is not using MapReduce anymore. But don't you worry, this ...

In Functional Scope the variables declared inside a function is accessible only inside that function or to other functions which are declared inside the said function. These variables are known as ...