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9781583473801: Big Data Analytics: Disruptive Technologies for Changing the Game

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Bringing a practitioner s view to big data analytics, this work examines the drivers behind big data, postulates a set of use cases, identifies sets of solution components, and recommends various implementation approaches. This work also addresses and thoroughly answers key questions on this emerging topic, including What is big data and how is it being used? How can strategic plans for big data analytics be generated? and How does big data change analytics architecture? The author, who has more than 20 years of experience in information management architecture and delivery, has drawn the material from a large breadth of workshops and interviews with business and information technology leaders, providing readers with the latest in evolutionary, revolutionary, and hybrid methodologies of moving forward to the brave new world of big data.

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Über die Autorin bzw. den Autor

Dr. Arvind Sathi is the worldwide communication sector lead architect for the information agenda team at IBM. He received a PhD in Business Administration from Carnegie Mellon University and is the author of Customer Experience Analytics. He lives in Englewood, Colorado.

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Big Data Analytics

Disruptive Technologies for Changing the Game

By Arvind Sathi

MC Press

Copyright © 2012 IBM Corporation
All rights reserved.
ISBN: 978-1-58347-380-1

Contents

Foreword by Bob Keseley,
Foreword by Jeff Jonas,
Chapter 1: Introduction,
Chapter 2: Drivers for Big Data?,
Chapter 3: Big Data Analytics Applications,
Chapter 4: Architecture Components,
Chapter 5: Advanced Analytics Platform,
Chapter 6: Implementation of Big Data Analytics,
Chapter 7: Closing Thoughts,
Notes,
Abbreviations,


CHAPTER 1

Introduction

Big Data Analytics is a popular topic. While everyone has heard stories of new Silicon Valley valuation bubbles and critical shortages of data scientists, there are an equal number of concerns: Will it take away my current investment in Business Intelligence or replace my organization? How do I integrate my Data Warehouse and Business Intelligence with Big Data? How do I get started, so I can show some results? What are the skills required? What happens to data governance? How do we deal with data privacy?

Over the past 9 to 12 months, I have conducted many workshops with practitioners in this field. I am always fascinated with the two views that so often clash in the same room — the bright-eyed explorers ready to share their data and the worriers identifying ways this can lead to trouble. A similar divide exists among consumers. As in any new field, implementation of Big Data requires a delicate balance between the two views and a robust architecture that can accommodate divergent concerns.

Unlike many other Big Data Analytics blogs and books that cover the basics and technological underpinnings, this book takes a practitioner's viewpoint. It identifies the use cases for Big Data Analytics, its engineering components, and how Big Data is integrated with business processes and systems. In doing so, it respects the large investments in Data Warehouse and Business Intelligence and shows both evolutionary and revolutionary — as well as hybrid — ways of moving forward to the brave new world of Big Data. It deliberates on serious topics of data privacy and corporate governance and how we must take care in the implementation of Big Data programs to safeguard our data, our customers' privacy, and our products.

So, what is Big Data? There are two common sources of data grouped under the banner of Big Data. First, we have a fair amount of data within the corporation that, thanks to automation and access, is increasingly shared. This includes emails, mainframe logs, blogs, Adobe PDF documents, business process events, and any other structured, unstructured, or semi-structured data available inside the organization. Second, we are seeing a lot more data outside the organization — some available publicly free of cost, some based on paid subscription, and the rest available selectively for specific business partners or customers. This includes information available on social media sites, product literature freely distributed by competitors, corporate customers' organization hierarchies, helpful hints available from third parties, and customer complaints posted on regulatory sites.

Many organizations are trying to incentivize customers to create new data. For example, Foursquare (www.foursquare.com) encourages me to document my visits to a set of businesses advertised through Foursquare. It provides me with points for each visit and rewards me with the "Mayor" title if I am the most frequent visitor to a specific business location. For example, every time I visit Tokyo Joe's — my favorite nearby sushi place — I let Foursquare know about my visit and collect award points. Presumably, Foursquare, Tokyo Joe's, and all the competing sushi restaurants can use this information to attract my attention at the next meal opportunity.

Sunil Soares has identified five types of Big Data: web and social media, machine-to-machine (M2M), big transaction data, biometrics, and human generated. Here are some examples of Big Data that I will use in this book:

• Social media text

• Cell phone locations

• Channel click information from set-top box

• Web browsing and search

• Product manuals

• Communications network events

• Call detail records (CDRs)

• Radio Frequency Identification (RFID) tags

• Maps

• Traffic patterns

• Weather data

• Mainframe logs

Why is Big Data different from any other data that we have dealt with in the past? There are "four V's" that characterize this data: Volume, Velocity, Variety, and Veracity. Some analysts have added other V's to this list, but for the purpose of this book, I will focus on the four V's described here.


1.1 Volume

Most organizations were already struggling with the increasing size of their databases as the Big Data tsunami hit the data stores. According to Fortune magazine, we created 5 exabytes of digital data in recorded time until 2003. In 2011, the same amount of data was created in two days. By 2013, that time period is expected to shrink to just 10 minutes.

A decade ago, organizations typically counted their data storage for analytics infrastructure in terabytes. They have now graduated to applications requiring storage in petabytes. This data is straining the analytics infrastructure in a number of industries. For a communications service provider (CSP) with 100 million customers, the daily location data could amount to about 50 terabytes, which, if stored for 100 days, would occupy about 5 petabytes. In my discussions with one cable company, I learned that they discard most of their network data at the end of the day because they lack the capacity to store it. However, regulators have asked most CSPs and cable operators to store call detail records and associated usage data. For a 100-million-subscriber CSP, the CDRs could easily exceed 5 billion records a day. As of 2010, AT&T had 193 trillion CDRs in its database.


1.2 Velocity

There are two aspects to velocity, one representing the throughput of data and the other representing latency. Let us start with throughput, which represents the data moving in the pipes. The amount of global mobile data is growing at a 78 percent compounded growth rate and is expected to reach 10.8 exabytes per month in 2016 as consumers share more pictures and videos. To analyze this data, the corporate analytics infrastructure is seeking bigger pipes and massively parallel processing.

Latency is the other measure of velocity. Analytics used to be a "store and report" environment where reporting typically contained data as of yesterday — popularly represented as "D-1." Now, the analytics is increasingly being embedded in business processes using data-in-motion with reduced latency. For example, Turn (www.turn.com) is conducting its analytics in 10 milliseconds to place advertisements in online advertising platforms.


1.3 Variety

In the 1990s, as Data Warehouse technology was rapidly introduced, the initial push was to create meta-models to represent all the data in one standard format. The data was compiled from a variety of sources and transformed using ETL (Extract, Transform, Load) or ELT (Extract the data and Load it in the warehouse, then Transform it inside the warehouse). The basic premise was narrow variety and structured content. Big Data has significantly expanded our horizons, enabled by new data integration and analytics technologies. A number of call center analytics solutions are seeking analysis of call center conversations and their correlation with emails, trouble tickets, and social media blogs. The source data includes unstructured text, sound, and video in addition to structured data. A number of applications are gathering data from emails, documents, or blogs. For example, Slice provides order analytics for online orders (see www.slice.com for details). Its raw data comes from parsing emails and looking for information from a variety of organizations — airline tickets, online bookstore purchases, music download receipts, city parking tickets, or anything you can purchase and pay for that hits your email. How do we normalize this information into a product catalog and analyze purchases?

Another example of enabling technology is IBM's InfoSphere Streams platform, which has dealt with a variety of sources for real-time analytics and decision making, including medical instruments for neonatal analysis, seismic data, CDRs, network events, RFID tags, traffic patterns, weather data, mainframe logs, voice in many languages, and video.


1.4 Veracity

Unlike carefully governed internal data, most Big Data comes from sources outside our control and therefore suffers from significant correctness or accuracy problems. Veracity represents both the credibility of the data source as well as the suitability of the data for the target audience.

Let us start with source credibility. If an organization were to collect product information from third parties and offer it to their contact center employees to support customer queries, the data would have to be screened for source accuracy and credibility. Otherwise, the contact centers could end up recommending competitive offers that might marginalize offerings and reduce revenue opportunities. A lot of social media responses to campaigns could be coming from a small number of disgruntled past employees or persons employed by competition to post negative comments. For example, we assume that "like" on a product signifies satisfied customers. What if the "like" was placed by a third party?

We must also think about audience suitability and how much truth can be shared with a specific audience. The veracity of data created within an organization can be assumed to be at least well intentioned. However, some of the internal data may not be available for wider communication. For example, if customer service has provided inputs to engineering on product shortcomings as seen at the customer touch points, this data should be shared selectively, on a need-to-know basis. Other data may be shared only with customers who have valid contracts or other prerequisites.

Over the past year, the Information Agenda team has been asked to conduct a number of Big Data Analytics workshops. The three most common questions have been as follows:

1. What is Big Data and what are others doing with it?

2. How do we build a strategic plan for Big Data Analytics in response to a management request?

3. How does Big Data change our analytics organization and architecture? Most of the material included in this book was collated in response to answering these questions.

This book provides three perspectives on Big Data Analytics.

First, why is Big Data Analytics becoming so important, and what can we do with it? The book projects major trends behind the rise of Big Data and shows typical use cases tackled by Big Data Analytics, where leading organizations are already seeing major benefits.

Second, the book lists major components of Big Data Analytics and introduces an integrated architecture — Advanced Analytics Platform (AAP) — that combines Big Data Analytics with the rest of the analytics infrastructures and integrates with business processes. It shows how these components work together in the AAP to provide an integrated engine that can combine Big Data with traditional Data Warehouse and Business Intelligence to provide an overall solution.

Third, the book provides a glimpse at implementation concerns and how they must be tackled. How do we establish a roadmap and implement key pilot programs to gather momentum and persist to create a game-changing vision? How do we provide governance across this data when the originating data may have varying quality or privacy constraints?

The big elephant in the room is data privacy. I confess I have not taken a position on data privacy, nor have I predicted how the world will deal with it.

It is an evolving topic, with many complications, geographical differences, and unknown consequences. However, I have outlined a number of critical areas to probe further, as well as a number of required components, irrespective of the position taken.

I have relied heavily on my personal work for illustrations of the concepts discussed in this book. As a result, most of the examples are tilted towards CSPs, advertising, and retail industries. This is not to say that these industries are leading the pack or that other industries do not have good Big Data opportunities. To the contrary, we are finding a large number of examples across many industries.

CHAPTER 2

Drivers for Big Data?


We are increasing the pace for Big Data creation. This chapter examines the forces behind this tsunami of Big Data. There are three contributing factors: consumers, automation, and monetization. More than each of these contributing factors, their interaction is speeding the creation of Big Data. With increasing automation, it is easier to offer Big Data creation and consumption opportunities to the consumers and the monetization process is increasingly providing an efficient marketplace for Big Data.


2.1 Sophisticated Consumers

The increase in information level and the associated tools has created a new breed of sophisticated consumers. These consumers are far more analytic, far savvier at using statistics, and far more connected, using social media to rapidly collect and collate opinion from others. We live in a world full of marketing messages. While most of the marketing is still broadcast using newspaper, magazine, network TV, radio, and display advertising, even in the conventional media, narrow casting is gradually becoming more prominent. This is seen in local advertisement insertions in magazines, insertion of narrow cast commercials using set-top boxes, and use of commuter information to change street display ads. The Internet world can become highly personalized. Search engines, social network sites, and electronic yellow pages insert advertisements specific to an individual or to a micro-segment. Internet cookies are increasingly used to track user behavior and to tailor content based on this behavior.

Email and text messages rapidly led toward increased interpersonal interactions. Communication started not only with marketers but also with third parties and friends. Communication expanded to bulletin boards, group chats, and social media, allowing us to converse about our purchase intentions, fears, expectations, and disappointments with small and large social groups. Unlike email and text, the conversations are on the Web for others to read, either now or later.

So far, we have been dealing only with single forms of communication. The next sets of sources combine information from more than one media. For example, Facebook conversations involve a number of media, including text, sound clips, photos, and video. Second world and alternate reality are becoming interesting avenues for trying out product ideas in a simulated world where product usage can be experimented with.

We often need experts to help us sort out product features and how they relate to our product usage. A large variety of experts are available today to help us with usage, quality, pricing, and value-related information about products. A number of marketers are encouraging advisor or ambassador programs using social media sites. These selected customers get a preview of new products and actively participate in evaluating and promoting new products. At the end of the day, people we know and trust sway our decisions. This is the biggest contribution of social networks. They have brought consumers together such that sharing customer experiences is now far more frequent than ever before.

How would a consumer deal with a poor service quality experience? Figure 2.1 shows typical behaviors in mature and emerging markets as studied by an IBM Global Telecom Consumer Survey conducted with a sample size of 10,177. In this survey, 78 percent of the consumers surveyed in the mature markets said they avoid providers with whom friends or family had bad experience. The percentage was even higher (87 percent) in growth markets. In response to a related question, survey participants said that they inform friends and family about poor experience (73 percent in mature markets and 85 percent in growth markets). These numbers together show a strong influence of social network on purchase behavior. These are highly significant percentages and are now increasingly augmented by social media sites (e.g., the "Like" button placed on Facebook). The same survey also found that the three most preferred sources for recommendation information are Internet, recommendations from family/friends, and social media.

In any group, there are leaders. These are the people who lead a change from one brand to another. Leaders typically have a set of followers. Once a leader switches a brand, it increases the likelihood for the social group members to churn as well. Who are these leaders? Can we identify them? How can we direct our marketing to these leaders?

In any communication, the leaders are always the center of the hub (see Figure 2.2). They are often connected to a larger number of "followers," some of whom could also be leaders. In the figure, the leaders have a lot more communication arrows either originating or terminating to them compared with others.

How do we identify the leaders? IBM Research conducted a series of experiments with CSPs. Call detail records, which carry information about person A calling person B, were analyzed. By synthesizing call information and abstracting communications networks, we discovered webs of communications across individuals. We also used the customer churn information to correlate churn among leaders to subsequent churn among followers. Here are some of the highlights from one of the experiments I helped conduct:

[ILLUSTRATION OMITTED]


• Leaders were 1.2 times more likely to churn compared with non-leaders.

There were two types of leaders: disseminating leaders who were connected to their group through outgoing calls, and authority leaders who were connected through a larger proportion of incoming calls.

• When a disseminating leader churned, additional churns were 28.5 times more likely. When an authority leader churned, additional churns were 19.9 times more likely.

• Typically, there was a very limited time between leaders' churn and the followers' churn.


(Continues...)
Excerpted from Big Data Analytics by Arvind Sathi. Copyright © 2012 IBM Corporation. Excerpted by permission of MC Press.
All rights reserved. No part of this excerpt may be reproduced or reprinted without permission in writing from the publisher.
Excerpts are provided by Dial-A-Book Inc. solely for the personal use of visitors to this web site.

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Zustand: Como nuevo. : Este libro, 'Big Data Analytics: Disruptive Technologies for Changing the Game' de Arvind Sathi, publicado por MC Press en 2012, explora el análisis de 'big data' desde una perspectiva práctica. Examina los impulsores detrás del 'big data', plantea casos de uso, identifica componentes de solución y recomienda enfoques de implementación. Con 96 páginas, el autor, con más de 20 años de experiencia en gestión de la información, responde preguntas clave sobre este tema emergente, ofreciendo metodologías evolutivas, revolucionarias e híbridas para avanzar en el mundo del 'big data'. EAN: 9781583473801 Tipo: Libros Categoría: Tecnología|Negocios y Economía|Ciencias Título: Big Data Analytics Autor: Arvind Sathi Editorial: MC Press, LLC Idioma: en Páginas: 96 Formato: tapa blanda. Artikel-Nr. Happ-2025-02-25-eae18e4f

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