Small Data
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Small Data

Small data is data that is 'small' enough for human comprehension.[1][2] It is data in a volume and format that makes it accessible, informative and actionable.[3]

The term "big data" is about machines and "small data" is about people.[4] This is to say that eyewitness observations or five pieces of related data could be small data. Small data is what we used to think of as data. The only way to comprehend Big data is to reduce the data into small, visually-appealing objects representing various aspects of large data sets (such as histogram, charts, and scatter plots). Big Data is all about finding correlations, but Small Data is all about finding the causation, the reason why.[5]

A formal definition of small data has been proposed by Allen Bonde, former vice-president of Innovation at Actuate - now part of OpenText: "Small data connects people with timely, meaningful insights (derived from big data and/or "local" sources), organized and packaged - often visually - to be accessible, understandable, and actionable for everyday tasks."[6]

Another definition of small data is:

  • The small set of specific attributes produced by the Internet of Things. These are typically a small set of sensor data such as temperature, wind speed, vibration and status.[7]

It was estimated that "If one takes the top 100 biggest innovations of our time, perhaps around 60% to 65% percent are really based on Small Data."[5] as Martin Lindstrom puts it. Small data includes everything from Snapchat to simple objects such as the post-it note. Lindstrom believes we become so focused on Big-Data that we tend to forget about more basic concepts and creativity. Lindstrom defines Small Data "as seemingly insignificant observations you identify in consumers' homes, is everything from how you place your shoes on how you hang your paintings". He thus considers that one should perfectly master the basic (Small Data) in order to mine and find correlations.

Uses in business

Marketing

Bonde has written extensively about the topic for Forbes,[8] Direct Marketing News,[9] CMO.com[10] and other publications.

According to Martin Lindstrom, in his book, Small Data: "{In customer research, small data is} Seemingly insignificant behavioural observations containing very specific attributes pointing towards an unmet customer need. Small data is the foundation for breakthrough ideas or completely new ways to turnaround brands."[11] As such, his approach is based on the combination of the observation of small samples with applied intuition.[12] Marketers can obtain significant market insights from gathering Small Data by engaging with and closely observing real people in their own environments.[12] In comparison to Big Data, Small Data has the power to trigger emotions and to provide insights into the reasons behind the behaviours of customers.[13] In fact, it may uncover detailed information on the kind of person one is, i.e. whether one is extroverted or introverted, self-confident or not, whether one is having problems in his/her relationship, etc.[13] According to Lindstrom, relationships among people and customer segments are organized around four criteria:

  1. Climate: It reveals for example how a person's environment affects their diet.
  2. Rulership: The power or government in charge
  3. Religion: The prevalence of religion in a country, depending on its influence, indicates whether a person's decision-making process is impacted by their belief system.
  4. Tradition: Cultural norms influence people's behaviors and interactions.

Many companies still underestimate the power of Small Data, using samples of millions of consumers instead of recognizing the value of closely observing a small sample in their market research.[12] In his book, Lindstrom defines 7Cs, which companies should consider in the attempt to derive meaningful customer insights and market trends through small data from their customers:[13]

  1. Collecting: Understanding the manner in which observations are translated inside a home.
  2. Clues: Uncovering other distinctive emotional reflections that can be observed.
  3. Connecting: Identifying the consequences of emotional behaviour.
  4. Causation: Understanding what emotions are being evoked.
  5. Correlation: Identifying the initial date of appearance of the behaviour or emotion.
  6. Compensation: Identifying the unmet or unfulfilled desire.
  7. Concept: Defining the "big idea" compensation for the identified consumer need.

Some of Lindstrom's clients such as Lowes Foods, a North Carolina-based company looked at data in a different way and actually chose to live with the customer. "As you enter their store, they have now created an amazing community where every staff member acts in a character mood, based on Small Data".[5] The supermarket made everything it can to make the customer feel at home. All the behaviours of employees are inspired by customer feedbacks gathered from interviews directly done at customer's home.

Healthcare

Researchers at Cornell University started developing applications to monitor health problems in patients, based on small data. This is an initiative of Cornell's Small Data Lab,[14] in close cooperation with Weill Cornell Medicine College, led by Deborah Estrin.

The Small Data Lab developed a series of apps, focusing not only on gathering data from patients' pain but also tracking habits in areas such as grocery shopping. In the case of patients with rheumatoid arthritis for example, which has flares and remissions that do not follow a particular cycle, the app gathers information passively, thus allowing to forecast when a flare might be coming up based on small changes in behaviour. Other apps developed also include monitoring online grocery shopping, to use this information from every user to adapt their groceries to the recommendations of nutritionists, or monitoring email language to identify patterns that might indicate "fluctuations in cognitive performance, fatigue, side effects of medication or poor sleep, and other conditions and treatments that are typically self-reported and self-medicated".[15]

Postal Service

The United States Postal Service (USPS) used advanced optical character recognition (OCR) to automatically read and process 98% of all hand-addressed mail and 99.5% of machine-printed mail. By further combining this technology with its small data sample of US zip codes the USPS can now process more than 36,000 pieces of mail per hour [16].

Aerospace

In 2015, Boening established the analytics lab for aerospace data in cooperation with the Carnegie Mellon University to leverage the university's leadership in machine learning, language technologies and data analytics [17]. One of the initiatives projects aims to by standardize maintenance logs using AI to dramatically reduce costs.

Currently, there is no standardized procedure to document maintenance logs leading to small but highly unstructured data sets. As a result, it becomes highly difficult for maintenance workers to translate these variations in maintenance logs within a short period of time. However, with AI and a narrow data set of common aircraft maintenance terminology, it becomes possible to dynamically translate these logs in real time. By using AI to enhance the speed and accuracy of the airline maintenance workflow, airlines stand to save billions according to the Harvard Business Review [18].

References

  1. ^ Rufus Pollock. "Forget big data, small data is the real revolution | News". The Guardian. Retrieved . 
  2. ^ ""Small data". Never heard this term?". jWork.ORG. Retrieved . 
  3. ^ "What is small data? - Definition from WhatIs.com". Whatis.techtarget.com. 2016-08-18. Retrieved . 
  4. ^ Eric Lundquist (2013-09-10). "'Small Data' Analysis the Next Big Thing, Advocates Assert". Eweek.com. Retrieved . 
  5. ^ a b c "Why Small Data Is the New Big Data". http://knowledge.wharton.upenn.edu. Retrieved .  External link in |website= (help)
  6. ^ "Defining Small Data". Small Data Group. Retrieved . 
  7. ^ "Forget Big Data - Small Data Is Driving The Internet Of Things". Forbes.com. Retrieved . 
  8. ^ "These Smart, Social Apps Bring Big Data Down to Size". Forbes.com. Retrieved . 
  9. ^ "Why Small Data Is the Next Big Thing for Marketers - DMN". Dmnews.com. 2013-08-22. Retrieved . 
  10. ^ Bonde, Allen (2013-12-12). "Think Small: Time For Marketers To Move Beyond The Big Data Hype". Cmo.com. Retrieved . 
  11. ^ "Small Data - Martin Lindstrom - Bestselling Author". Martin Lindstrom. Retrieved . 
  12. ^ a b c Dooley, Roger (16 February 2016). "Small Data: The Next Big Thing". Forbes. Retrieved 2017. 
  13. ^ a b c Sarkar, Christian (1 May 2016). ""Small Data, Big Impact!" - An Interview with Martin Lindstrom". The Marketing Journal. Retrieved 2017. 
  14. ^ http://smalldata.io/
  15. ^ "Small Data and Big Health Benefits". research.cornell.edu. Retrieved . 
  16. ^ "Innovative Technologies - Postal Facts". about.usps.com. Retrieved . 
  17. ^ University, Carnegie Mellon (October 2015). "Boeing Establishes Analytics Lab For Aerospace Data at Carnegie Mellon - News - Carnegie Mellon University". Retrieved . 
  18. ^ "Sometimes "Small Data" Is Enough to Create Smart Products". Harvard Business Review. Retrieved . 

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.


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