deep learning<\/a> branch, predictive modelling, data mining, statistical analysis, flow analytics, text mining, and more.<\/p>\n
\nDifferent branches of analytics that can be done with Big Data clusters include:<\/h3>\n
Comparative analysis:<\/strong> Examines customer behavior metrics and real-time customer engagement to compare a company’s products, services, and branding with those of its competitors.<\/p>\nSocial media listening:<\/strong> By analyzing what people are saying about a business or product on social media, it can help identify potential issues and target audiences for marketing campaigns.<\/p>\nMarketing tactics:<\/strong> Provides data to use to improve campaigns and customer offerings for marketing products, services, and many business ventures<\/p>\nSentiment analysis:<\/strong> All the data collected about customers can be analyzed to reveal how they feel about a company or brand, their level of customer satisfaction, potential problems, and how customer service can be improved.<\/p>\n
\n<\/span>Big Data Management Technologies<\/span><\/h2>\n
<\/p>\n
Hadoop, an open source distributed processing framework released in 2006, was initially at the heart of most big data architectures. The development of Spark and other rendering engines has left MapReduce, the engine built into Hadoop, in the background. The result is an ecosystem of big data technologies that can be used for different applications but often distributed together. Big data platforms and managed services offered by IT vendors combine many of these technologies into a single package for use primarily in the cloud. Some of them are: Amazon EMR (formerly Elastic MapReduce), Cloudera Data Platform, Google Cloud Dataproc, HPE Ezmeral Data Fabric (formerly MapR Data Platform) and Microsoft Azure HDInsight.<\/p>\n
\n<\/span>What Are the Big Data Challenges?<\/span><\/h2>\n
<\/p>\n
In conjunction with compute capacity issues, designing a big data architecture is a huge challenge for users. Big data systems must be tailored to the specific needs of an organization. Deploying and managing Big Data systems also requires new skills compared to those typically possessed by database administrators and developers focusing on relational software. Both of these issues can be mitigated by using a managed cloud service. But IT managers need to keep a close eye on cloud usage to ensure costs don’t spiral out of control. In addition, moving on-premises datasets and processing workloads to the cloud is often a complex process.<\/p>\n
Other challenges in managing Big Data systems include making data accessible to data scientists and analysts, especially in distributed environments that contain a mix of different platforms and data stores. To help analysts find relevant data, data management and analytics teams are increasingly creating data catalogs that include metadata management and data origin functions. The process of integrating large datasets becomes complex, especially when data diversity and speed are factors.<\/p>\n
\n<\/span>Keys to Effective Big Data Strategy<\/span><\/h2>\n
<\/p>\n
In an organization, developing a big data strategy requires an understanding of business goals and data currently in use, as well as evaluating the need for additional data to help achieve goals. Other steps to be taken include: prioritizing planned use cases and applications; identifying new systems and tools needed; internal skills assessment to create a distribution roadmap and see if retraining or hiring is necessary.<\/p>\n
A data governance program and related data quality management processes should also be a priority to ensure clean, consistent and proper use of large data sets. Best practices for managing and analyzing big data include focusing on business needs for information over existing technologies and using data visualization to assist with data discovery and analysis.<\/p>\n
\n<\/span>Big Data Collection Legal Practices and Regulations<\/span><\/h2>\n
<\/p>\n
As the collection and use of big data increases, so does the potential for data misuse. Public outcry over data breaches and other privacy breaches led to the European Union’s ratification of the General Data Protection Regulation (GDPR), data privacy law that came into effect in May 2018. GDPR limits the types of data that organizations can collect and requires optional selection (with consent of individuals or in accordance with other specified reasons for collecting personal data). It also includes a right to be forgotten provision, which allows EU residents to ask companies to delete their data.<\/p>\n
<\/p>\n
While the United States does not have similar federal laws, the California Consumer Privacy Act (CCPA) seeks to give California residents greater control over the collection and use of their personal information by companies doing business in the state. The CCPA was signed into law in 2018 and entered into force on 1 January 2020. To ensure they comply with such laws, businesses need to carefully manage their big data collection process. Controls should be in place to identify regulated data and prevent unauthorized workers from accessing it.<\/p>\n
\n<\/span>Big Data History<\/span><\/h2>\n
<\/p>\n
Data collection can be traced back to how ancient civilizations used stick counts to track food, but the history of big data really begins much later. Here is a brief timeline of some of the key moments that got us where we are today.<\/p>\n
1881: One of the earliest instances of data loading occurred during the 1880 census. The Hollerith tabulation machine was invented, and the job of processing census data was reduced from ten years of labor to less than a year.<\/p>\n
1928: German-Austrian engineer Fritz Pfleumer develops on-tape magnetic data storage, paving the way for how digital data will be stored for the next century.<\/p>\n
1948: Shannon’s ‘Information Theory’ was developed and this theory laid the foundation for the widely used information infrastructure today.<\/p>\n
1970: Edgar F. Codd, a mathematician at IBM, introduced a ‘relational database’ showing how information in Big Data bases can be accessed without knowing its structure or location.<\/p>\n
1976: Commercial use of Material Requirements Planning (MRP) systems was developed to organize and plan information and became more common to streamline business operations.<\/p>\n
1989: The World Wide Web was created by Tim Berners-Lee.<\/p>\n
2001: Doug Laney presented a paper describing the ‘3 Vs of Data’ that has become the key features of big data. In the same year, the term ‘software-as-a-service’ was coined for the first time.<\/p>\n
2005: Hadoop, open source software framework for large dataset storage, was created.<\/p>\n
2007: The term ‘Big Data’ is widely introduced in Wired’s article ‘End of theory: Data deluge restores scientific method’. (The End of Theory: The Data Deluge Makes the Scientific Method Obsolete)<\/p>\n
2008: A team of computer science researchers published the paper ‘Big data computing: Creating revolutionary breakthroughs in commerce, science and society’ describing how big data is fundamentally changing the way companies and organizations do business. (Big Data Computing: Creating Revolutionary Breakthroughs in Commerce, Science and Society,)<\/p>\n
2010: Google CEO Eric Schmidt revealed that every two days, humans generate as much information as they created from the beginning of civilization until 2003.<\/p>\n
2014: More and more companies are moving their Enterprise Resource Planning Systems to the cloud. The Internet of things has become widely used, with an estimated 3.7 billion connected devices or things in use transmitting massive amounts of data every day.<\/p>\n
2016: The Obama administration released the ‘Federal Big Data Research and Strategic Development Plan’, designed to enable the research and development of big data applications that will directly benefit society and the economy. (Federal Big Data Research and Strategic Development Plan)<\/p>\n
2017: IBM research says 2.5 quintillion bytes of data are created daily, and 90% of the world’s data was created in the last two years.<\/p>\n
\n<\/span>Why Big Data Has Become So Popular<\/span><\/h2>\n
<\/p>\n
The recent popularity of big data is largely due to new developments in technology and infrastructure that allow a lot of data to be processed, stored and analyzed. Computing power has increased significantly over the past five years, while at the same time the price has dropped, making it more accessible to small and medium-sized companies. As technology has become more powerful and cheaper, numerous companies have sprung up creating products and services that help businesses take advantage of all the big data it has to offer.<\/p>\n
<\/p>\n
\n<\/span>The Human Aspect of Big Data Management and Analytics<\/span><\/h2>\n
<\/p>\n
Ultimately, the business value and benefits of big data initiatives depend on the employees tasked with managing and analyzing data. Some big data tools enable fewer technical users to run predictive analytics applications or help businesses set up a suitable infrastructure for big data projects while minimizing the need for hardware and distributed software knowledge. Big data can sometimes be compared to small data, a term used to describe datasets that can be easily used for self-service BI and analytics. Let’s finish our article with one of the most frequently used phrases when it comes to big data: “Big data is for machines; small data is for people.”<\/p>\n
<\/p>\n
<\/p>\n
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