DIKW pyramid

The DIKW pyramid , Also Known variously as the DIKW hierarchy , wisdom hierarchy , knowledge hierarchy , information hierarchy , and the data pyramid , [1] Refers loosely to a class of models [2] for Representing purported structural and / or functional relationships entre d ata, i nformation, k nowledge, and w isdom. “Typically information is defined in terms of data, knowledge in terms of information, and wisdom in terms of knowledge”. [1]

Not all versions of the DIKW model refer to all four components, and some include additional components. In addition to a hierarchy and a pyramid, the DIKW model has also been characterized as a chain, [3] [4] as a framework, [5] and as a continuum . [6]

History

Danny P. Wallace, a professor of library and information science , explained that the origin of the DIKW pyramid is uncertain:

The presentation of the relationships among data , information , knowledge , and sometimes wisdom in a hierarchical arrangement has been part of the language of information science for many years. Although it is unclear when and where it comes from, the ubiquity of the notion of a hierarchy is embedded in the use of the acronym DIKW as a shorthand representation for the data-to-information-to-knowledge-to-wisdom transformation. [7]

Data, Information, Knowledge

In 1955, English-American economist and educator Kenneth Boulding presented a variation on the hierarchy consisting of “signals, messages, information, and knowledge”. [7] [8] However, “[t] he first author of the term ‘ knowledge management ‘ may have been American educator Nicholas L. Henry”, [7] in a 1974 newspaper article. [9]

Data, Information, Knowledge, Wisdom

Other early versions (prior to 1982) of the hierarchy That Refer to a data tier include Those of Chinese-American geographer Yi-Fu Tuan [10] [ verification needed ] [11] and sociologist-historian Daniel Bell . [10] [ verification needed ] . [11] In 1980 Irish-born engineer Mike Cooley Invoked la même hierarchy In His criticism of automation and computerization, In His book Architect or Bee ?: The Human / Technology Relationship . [12] [ verification needed ] [11]

Thereafter, in 1987, Czechoslovakia-born educator Milan Zeleny mapped the elements of the hierarchy to knowledge forms: know-nothing , know-what , know-how , and know-why . [13] [ verification needed ] Zeleny “has been made very credible with proposing the representation of DIKW as a pyramid. [7]

The hierarchy Appears again in a 1988 address to the International Society for General Systems Research , by American organizational theorist Russell Ackoff , published in 1989. [14] Subsequent authors and textbooks cites Ackoff’s as the “original articulation” [1] of the hierarchy gold Otherwise credit Ackoff with its proposal. [15] Ackoff’s version of the model includes an understanding tier (as Adler had, before him [7] [16] [17] ), interposed between knowledge and wisdom . Although Ackoff did not present the hierarchy graphically, it has also been credited with its representation as a pyramid.

Anthony Debons and colleagues, with “events”, “symbols”, and “rules and formulations”, third party ahead of data. [7] [18]

In 1994 Nathan Shedroff presented the DIKW hierarchy in an information design. [19]

Jennifer Rowley in 2007 Noted That There was “little reference to wisdom” in discussions of the recently published DIKW in college textbooks , [1] and does not include wisdom in her own definitions Following That research. [15]Meanwhile, Zins’ extensive analysis of the Conceptualizations of data, information, and knowledge, In His recent research study, Makes No explicit commentary is wisdom, [2] ALTHOUGH Reviews some of the quotes included by Zins do make mention of the term . [20] [21] [22]

Description

The DIKW model “is often quoted, or used implicitly, in definitions of data, information and knowledge in the information management , information systems and knowledge management literature, but there has been limited direct discussion of the hierarchy”. [1] Reviews of textbooks [1] and a survey of scholars in relevant fields [2] indicate indication That There is not a consensus as to definitions used in the model, and Even less “in the description of the processes That transform Elements lower in The hierarchy into those above them “. [1] [23]

This HAS LED Israeli researcher Chaim Zins to suggest que la data-information-knowledge components of DIKW Refer to a class of no less than five models, as a function of whether data, information, and knowledge are Each Conceived of as subjective , objective ( What Zins terms, “universal” or “collective”) or both. In Zins’ use, subjective and objective “are not related to arbitrariness and truthfulness , which are usually attached to the concepts of subjective knowledge and objective knowledge. Information science , Zins argues, studies data and information, As knowledge is an internal (subjective) rather than external (universal-collective) phenomenon. [2]

Data

In the context of DIKW, data is conceived of as symbols or signs , representing stimuli or signals, [2] which are in a usable form. [15] [13] [ verification needed ] . [15] Zeleny character this non-usable characteristic of data as “know-nothing” . [11]

Zins terms subjective data . In some cases, data is not to be limited to symbols, but also to signals or stimuli . [2] Where universal data , for Zins, are “the product of observation ” [15] (italics in original), subjective data are the observations. This distinction is often obscured in definitions of data in terms of ” facts “.

Data as fact

Rowley, in the course of his study of DIKW definitions given in textbooks, [1] characterizes data “as being discrete, objective facts or observations, which are unorganized and unprocessed and therefore have no meaning or value because of lack of context and interpretation. [15] In Henry’s early formulation of the hierarchy, data Was simply defined as “merely raw facts.”, [9] while two recent texts define data as “chunks of facts about the state of the world” [24] and “material Facts “, [25] respectively. [7] Cleveland does not include an explicit data tier, but defines information as “the sum total of … facts and ideas”. [7] [10]

Insofar as facts -have as a Fundamental property That They Are true ,-have objective reality, gold Otherwise can be verified , Such definitions Would Preclude false , meaningless, and nonsensical data from the DIKW model, Such que le principle of garbage in, garbage out Would Not be accounted for under DIKW.

Data as signal

In the subjective domain, data are Conceived of as “sensory stimuli, qui we Perceive through our senses”, [2] or “readings signal,” including “sensor and / or sensory readings of light, sound, smell, taste, and touch “. [23] Others have argued That what Zins subjective data calls Actually count as a “signal” tier (AS HAD Boulding [7] [8] ), qui preceded DIKW data in the chain. [6]

American information scientist Glynn Harmon defined data as one or more kinds of energy waves or particles (light, heat, sound, force, electromagnetic) selected by a conscious organism or intelligent agent on the basis of a preexisting frame or inferential mechanism in the organism Or agent. ” [26]

The meaning of sensory stimuli may also be thought of as subjective data:

Information is the meaning of these sensory stimuli ( ie , the empirical perception). For example, the noises that I hear are data. The meaning of these noises ( eg , a running car engine) is information . Still, there is another alternative to how to define these two concepts-which seems even better. Data are sense stimuli, or their meaning ( ie , the empirical perception). Accordingly, in the example above, the loud noises, as well as the perception of a running car are engineered. [2] (Italics added. Bold in original.)

Subjective data, if understood in this way, would be comparable to knowledge by acquaintance , in which it is based on direct experience of stimuli. However, unlike knowledge by acquaintance, as described by Bertrand Russelland others, the subjective domain is “not related to … truthfulness”. [2]

Whether Zins’ alternate definition would hold a function of whether the “running of a car engine” is understood as an objective fact or a contextual interpretation.

Data as symbol

Whether the DIKW definition of data is deemed to include Zins’s subjective data (with or without meaning), data is consistently defined to include “symbols”, [14] [27] or “sets of signs That Represent empirical stimuli or perceptions ” [ 2] of “a property of an object, an event or of their environment”. [15] Data, in this sense, are “recorded (captured or stored) symbols “, including “words (text and / or verbal), numbers, diagrams, Of communication “, the purpose of which” is to record activities or situations,

Boulding’s version of DIKW explicitly named the level below the tier message , distinguishing it from an underlying signal tier. [7] [8] Debons and colleagues reverse this relationship, identifying an explicit symbol . [7] [18]

Zins determined that, for the most part, these data are “phenomena in the universal domain”. “Apparently,” clarifies Zins, “it is more useful to relate to the data, [2]

Information

In the context of DIKW, information meets the definition for knowledge by description (“information is contained in descriptions ” [15] ), and is differentiated from data in that it is “useful”. “Information is inferred from data” [15] in the process of answering interrogative question ( eg , “who”, “what”, “where”, “how many”, “when”), [14] [15] thereby Making the data useful [27] for “decisions and / or action”. [23] “Classically,” states a recent text, “information is defined as data that are endowed with meaning and purpose.

Structural Vs. Functional

Rowley, [1] describes information as “organized or structured data, which has been processed in such a way that the information has a meaningful meaning or meaning, and is meaningful , Valuable, useful and relevant. ” Note that this definition contrasts with Rowley’s characterization of Ackoff’s definitions, where “[t] he difference between data and information is structural, not functional.” [15]

In his formulation of the hierarchy, Henry defined information as “data that changes us”, [7] [9] this being a functional, rather than structural, distinction between data and information. Meanwhile, Cleveland, DIKW, described information as “the sum total of all the facts and ideas that are available to be known by somebody at a given moment in time”. [7] [10]

American educator Bob Boiko is more obscure, defining information only as ” matter-of-fact “. [7] [25]

Symbolic vs. Subjective

Information may be conceived of in DIKW models as: (i) universal, existing as symbols and signs; (Ii) subjective, the meaning to which symbols attach; Or (iii) both. [2] Examples of information as both symbol and meaning include:

  • American information scientist Anthony Debons’ characterization of information as representing a consciousness and the physical manifestations of their form, such as “[a] nformation, as a phenomenon, a cognitive / affectiveState, and the physical counterpart (product of) the cognitive / affective state. ” [28]
  • Danish information scientist Hanne Albrechtsen’s description of information as “related to meaning or human intention”, either as “the contents of databases, the web, etc. ” (italics added) or the meaning of statements as they are intended by the speaker / Writer and understood / misunderstood by the listener / reader. ” [29]

Zeleny, who is known as “know-what”, [13] [ citation needed ], “wisdom” or “what to do, act or carry” ). To this conceptualization of information, he also adds “why is”, as distinct from “why do” (another aspect of wisdom). Zeleny further argues that there is no such thing as explicit knowledge , but rather that knowledge, once made explicit in symbolic form, becomes information. [3]

Knowledge

The knowledge component of DIKW is an elusive concept that is difficult to define. The DIKW definition of knowledge differs from that used by epistemology . The view DIKW Is That knowledge is defined with reference to information. ” [15] Definitions may refer to information processed HAVING beens, Organized or structured In Some Way, or else as being white gold applied put into action.

Zins HAS suggéré That knowledge, being white subjective Rather than universal, is not the subject of study in information science , and That It is Often defined in propositional terms, [2] while Zeleny HAS Asserted That to capture knowledge in symbolic form is to make it Into information, ie , “All knowledge is tacit “. [3]

“One of the most frequently quoted definitions” [7] of knowledge captures some of the various ways in which it has been defined by others:

Knowledge is a fluid mixture of framed experience, values, contextual information, expert insight and grounded intuition that provides an environment and framework for evaluating and incorporating new experiences and information. It originates and is applied in the minds of knowers. In organizations it is becoming embedded not only in documents and repositories but also in organizational routines, processes, practices and norms. [7] [30]

Knowledge as processed

Mirroring the description of information as “organized or structured data”, knowledge is sometimes described as:

  • “Synthesis of multiple sources of information over time”
  • “Organization and processing to convey understanding, experience [and] accumulated learning”
  • “A mix of contextual information, values, experience and rules” [15]

One of Boulding’s definitions for knowledge had been “a mental structure” [7] [8] and Cleveland described knowledge as “the result of somebody applying the refiner’s fire to [information], selecting and organizing what is useful to somebody.” [7] [10] A recent text describes knowledge as “information connected in relationships”. [7] [24]

Knowledge as procedural

Zeleny defines knowledge as “know-how” [3] [13] ( ie , procedural knowledge ), and also “know-who”, each gained through “practical experience”. [3] “Knowledge … brings forth from the background of coherent experience and self-consistent set of coordinated actions.” [7] [13] Further, implicitly holding information as descriptive, Zeleny declares that “Knowledge is action, not a description of action.” [3]

Ackoff, likewise, described knowledge as the “application of data and information”, which “answers ‘how’ questions”, [14] [ verification needed ] [27] that is, “know-how”. [15]

Meanwhile, textbooks discussing DIKW have been found to describe knowledge variously in terms of experience , skill , expertise or capability:

  • “Study and experience”
  • “A mix of contextual information, expert opinion, skills and experience”
  • “Information combined with understanding and capability”
  • “Perception, skills, training, common sense and experience”. [15]

Businessmen James Chisholm and Greg Warman characterize knowledge simply as “doing things right”. [5]

Knowledge as propositional

Knowledge is Sometimes Described as “belief structuring” and ” internalization with reference to cognitive frameworks.” [15] One definition Given by Boulding for knowledge was “the subjective” perception of the world and one’s place in it ‘ ” [7] [8] while Zeleny’s Said That knowledge” should Refer to an observer’s distinction of’ objects ‘ ( Wholes, unities) “. [7] [13]

Zins, Likewise, That knowledge is found Described in propositional terms, as justifiable beliefs (subjective domain, akin to tacit knowledge ), And Sometimes aussi have signs That Represent Such beliefs (universal / collective domain, akin to explicit knowledge ). Zeleny has rejected the idea of ​​explicit knowledge (as in Zins’ universal knowledge), arguing that once made symbolic, knowledge becomes information. [3] Boiko appears to be echoing this feeling, in his claim that “knowledge and wisdom can be information”. [7] [25]

In the subjective domain:

Knowledge is a thought in the individual’s mind , which is given by the individual’s justifiable belief that it is true . It can be empirical and non-empirical, as in the case of logical and mathematical knowledge ( eg , “every triangle HAS three sides”), religious knowledge ( eg , ” God exists “), philosophical knowledge ( eg , ” Cogito ergo sum “), And the like. Note that knowledge is the content of a thought in the individual’s mind, which is given by the individual, Is a state of mind which is given by the three conditions: (1) the individual believe (s) that it is true, (2) S / he can justify it, To be true. [2] (Italics added. Bold in original.)

The distinction between subjective and subjective knowledge is based on the meaning of data.

Boiko implied that knowledge was both open to rational discourse and justification, when he defined knowledge as a matter of dispute. [7] [25]

Wisdom

ALTHOUGH Commonly included as a level in DIKW, “there is limited reference to wisdom” [1] in discussions of the model. Boiko appears to have dismissed wisdom, characterizing it as “non-material”. [7] [25]

Zeleny described wisdom as “know-why”, [13] but as a differentiate “why do” (wisdom) from “why” (information), and expanding his definition to include a form of know- What (“what to do, act or carry out”). [3] According to Nikhil Sharma, Zeleny has argued for a tier to the model beyond wisdom, termed ” enlightenment “. [11]

Ackoff refers to understanding as an “appreciation of ‘why'”, and wisdom as “evaluated understanding”, where understanding is posited as a discrete layer between knowledge and wisdom. [7] [14] [27] Adler had also had an understanding understanding tier, [7] [16] [17] while other authors have depicted a DIKW is plotted. [5] [27] Rowley attributes the following definition of wisdom to Ackoff:

Wisdom is the ability to increase effectiveness. Wisdom adds value, which requires the mental function that we call judgment. The ethical and aesthetic values ​​that this implies are inherent to the actor and are unique and personal. [15]

Cleveland described wisdom simply as “integrated knowledge-information made super-useful”. [7] [10] Other authors have disclosed that “knowing the right things to do” [5] and “the ability to make sound judgments and decisions apparently without thought”. [7] [24] Wisdom involves using knowledge for the greater good. Because of this, wisdom is deeper and more uniquely human. It requires a sense of good and bad, right and wrong, ethical and unethical.

Representations

Graphical representation

DIKW is a hierarchical model Often Depicted as a pyramid, [1] [7] with data at ict base and wisdom at ict apex. In this regard it is similar to Maslow’s hierarchy of needs , in which each level of the hierarchy is argued to be an essential precursor to the above levels. Unlike Maslow’s hierarchy, which describes the relationships of priority, DIKW describes purported structural or functional relationships (lower levels included the material of higher levels). Both Zeleny and Ackoff have been credited with originating the pyramid representation, [7] but neither used a pyramid to present their ideas.

DIKW has also been represented as a two-dimensional chart [5] [31] or as one or more flow diagrams. [23] In such cases, the relationships between the elements may be presented as less hierarchical, with feedback loops and control relationships.

Debons and colleagues [18] may have been the first to “present the hierarchy graphically”. [7]

Throughout the years many adaptations of the DIKW pyramid have been produced. One example, in the United States Army , attempts to show the progression of the progression to the present, and finally the wisdom, as well as the activities involved to ultimately create shared understanding throughout the organization and manage decision risk. [32]

Adaptation of the DIKW pyramid by US Army Knowledge Managers

Computational representation

Intelligent decision support systems are try trying to Improve decision making by Introducing new technologies and methods from the domain of modeling and simulation in general, and in Particular from the domain of Intelligent software agents in the contexts of agent-based modeling . [33]

Using advanced communication and simulation to support information, knowledge, and wisdom representation

The Following example Describes a military decision support system, the architecture and purpose Underlying conceptual idea are transferable to other domains implementation: [33]

  • The value chain starts with data quality describing the information within the underlying command and control systems.
  • Information quality tracks the completeness, correctness, currency, consistency and precision of the data items and information statements available.
  • Knowledge quality deals with procedural knowledge and information in the control and control of such assumptions and assumptions, often coded as rules.
  • Awareness quality measures the degree of the information and knowledge embedded within the control and control system. Awareness is explicitly placed in the cognitive domain.

By the introduction of a common operational picture , data are put into context, which leads to information instead of data. The next step, which is enabled by service-oriented web-based infrastructures, is the use of models and simulations for decision support. Simulation systems are the prototype for procedural knowledge, which is the basis for knowledge quality. Finally, using intelligent software agents to continuously observe the battle sphere, apply models and simulations to analyze what is going on, to monitor the execution of a plan, and to do all the necessary steps to make the decision maker , The command and control systems could even support situational awareness, the level in the value chain traditionally limited to pure cognitive methods.

Criticisms

Rafael Capurro , a philosopher based in Germany, argues that data is an abstraction, information refers to “the act of communicating meaning”, and knowledge is the event of meaning of a (psychic / social) system from its ‘world’ on The basis of communication “. As such, it is a fairytale. [34]

One objection offered by Zins is that, while knowledge may be an exclusively cognitive phenomenon, the difficulty in pointing out a given fact as distinctively information or knowledge, makes the DIKW model unworkable.

[I] s Albert Einstein’s famous equation “E = mc 2 ” (which is printed on my computer screen, and is definitely separated from any human mind) information or knowledge? Is “2 + 2 = 4” information or knowledge? [2]

Alternatively, information and knowledge could be seen as synonyms . [35] In answer to thesis Criticisms, Zins Argues That, subjectivist and empiricist philosophy aside, “the three Fundamental concepts of data, information and knowledge and the relationships Among Them, as They Are Perceived by leading scholars in the information science academic community “, Have meanings open to distinct definitions. [2] Rowley echoes this point in arguing that, “definitions of knowledge may disagree,” [t] hese various perspectives all take as their point of departure the relationship between data, information and knowledge. [15]

American philosophers John Dewey and Arthur Bentley , in their 1949 book Knowledge and the Known , argued that “knowledge” was a vague word, and presented a complex alternative to DIKW including some nineteen “terminological guide-posts”. [7] [36]

Information processing theory. Citation needed ] Under this definition, data is either made up or synonymous with physical information . It is unclear, however, whether or not information as it is conceived in the DIKW model would be considered derivative from physical-information / data or synonymous with physical information. In the form case, the DIKW model is open to the fallacy of equivocation . In the last, the data of the DIKW model is preempted by an assertion of neutral monism .

Educator Martin Frické has published an article critiquing the DIKW hierarchy, in which he argues that the model is based on “dated and unsatisfactory philosophical positions of operationalism and inductivism “, that information and knowledge are both weak knowledge, and that wisdom is the possession And use of wide practical knowledge. [37]

See also

  • Bloom’s taxonomy
  • Model of hierarchical complexity
  • Intelligence cycle

References

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  26. Jump up^ Harmon, Glynn, as cited by Zins,id. , At p. 483.
  27. ^ Jump up to:a b c d e Bellinger, Gene ; Durval Castro; Anthony Mills (2004). “Data, Information, Knowledge, and Wisdom” . Retrieved 7 January 2009 .
  28. Jump up^ Debons, Anthony, as cited in Zins,id. , At p. 482.
  29. Jump up^ Albrechtsen, Hanne, as cited in Zins,id. , At p. 480.
  30. Jump up^ Davenport, Thomas H .; Laurence Prusack (1998). Working Knowledge: How Organizations Manage What They Know . Boston: Harvard Business School Press . p. 5. ISBN  0-585-05656-0 .
  31. Jump up^ Choo, Chun Wei (May 10, 2000). “The Data-Information-Knowledge Continuum” . Web Work: Information Seeking and Knowledge Work on the World Wide Web . Retrieved 9 January 2009 .
  32. Jump up^ US Army Techniques Publication (ATP) 6-01.1, Techniques for Effective Knowledge Management, published in March 2015http://armypubs.army.mil/doctrine/DR_pubs/dr_a/pdf/atp6_01x1.pdf
  33. ^ Jump up to:a b c Tolk, Andreas (2005). “An agent-based Decision Support System Architecture for the Military Domain”. Intelligent Decision Support Systems in Agent-Mediated Environments . 115 : 187-205.
  34. Jump up^ Rafael Capurro, as cited in Zins,id. , At p. 481
  35. Jump up^ Poli, Roberto, as cited in Zins,id. , At p. 485.
  36. Jump up^ Dewey, John ; Arthur F. Bentley (1949). Knowing and the Known . Boston: Beacon Press. pp. 58, 72-74. ISBN  0-8371-8498-3 .
  37. Jump up^ Frické, Martin (2009). “The Knowledge Pyramid: A Critique of the DIKW Hierarchy” . Journal of Information Science . 35 (2): 131-142. Doi :10.1177 / 0165551508094050 .

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