July 2022
Intermediate to advanced
304 pages
9h 15m
English
book
Algorithms and Data Structures for Massive Datasets
by Dzejla Medjedovic, Emin Tahirovic, Ines Schweigert
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4 Frequency estimation and count-min sketch
This chapter covers
- Exploring practical use cases where frequency estimates arise and how count-min sketch can help
- Learning how count-min sketch works
- Exploring use cases of a sensor and an NLP app
- Learning about the error versus space tradeoff in count-min sketch
- Understanding dyadic ranges and how range queries can be solved with count-min sketch
Popularity analysis, such as producing a bestseller list on an e-commerce site, computing top-k trending queries on a search engine, or reporting frequent source-destination IP address pairs on a network, is a common problem in today’s data-intensive applications. Anomaly detection (i.e., monitoring changes in systems that are awake 24/7, such as sensor ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.