COMP9313 Big Data Management week1a

最新推荐文章于 2022-10-19 16:24:21 发布

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最新推荐文章于 2022-10-19 16:24:21 发布

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分类专栏： COMP9313

本文链接：https://blog.youkuaiyun.com/DannieZ/article/details/106470744

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本文介绍了大数据的三大核心特性——大量（Volume）、多样（Variety）和速度（Velocity）。Volume强调数据的规模，从GB到ZB、YB的爆炸性增长，主要挑战在于时间复杂性。Variety关注数据的多样性，包括结构化和非结构化数据，数据整合与记录链接成为难题。Velocity则关乎数据的实时性，快速处理与传输数据的需求日益增长。

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Introduction

Lecturer：Yifang Sun
Considering some students might have time difference, lecturer upload his pre-recorded lecture video to google drive and Baidu Netdisk.
Hmmm…On the one hand, I am unsatisfied with the pre-recorded lecture. On the other hand, I feel that our professor is a caring person because he uploaded a video to Baidu Netdisk means he does care about Chinese students

TThe first concept of this course is Big Data. However, the first sentence in our slides is :
there is no standard definition which is very uncommon in a course.

Major Characteristics of Big Data

7 V’s

1.Volume(Scale)（大量）

Definition: Volume is how much data we have – what used to be measured in Gigabytes is now measured in Zettabytes (ZB) or even Yottabytes (YB). The IoT (Internet of Things) is creating