Category Archives: Approximate Query

Counting Unique Mobile App Users with HyperLogLog

Continuing along the theme of real time analytic with approximate algorithms, the  focus this time is approximate cardinality estimation. To put the ideas in a context, the use case we will be working with is for counting number of unique users … Continue reading

Posted in Approximate Query, Big Data, Data Science, Mobile, Real Time Processing, Storm | Tagged , , | 1 Comment

Realtime Trending Analysis with Approximate Algorithms

When we hear about trending, twitter trending immediately comes to mind. However, there are many other scenarios, where such analysis is applicable. Some example  use cases  are 1. Top 5 videos watched in last 2 hours   2. Top 10 news … Continue reading

Posted in Approximate Query, Big Data, Data Science, Internet of Things, Real Time Processing, Storm | Tagged , , , , , , | 4 Comments