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White box (software engineering)

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(Redirected from Glass box) System whose internals can be viewed but not altered "Open box" redirects here. "Open box" is also the name of the visible symbol ␣ that is sometimes used to indicate a space. See whitespace character. Not to be confused with White-box testing, White-box cryptography, or White box (computer hardware).
Black box systems
System
Black box, Oracle machine
Methods and techniques
Black-box testing, Blackboxing
Related techniques
Feed forward, Obfuscation, Pattern recognition, White box, White-box testing, Gray-box testing, System identification
Fundamentals
A priori information, Control systems, Open systems, Operations research, Thermodynamic systems

A white box (or glass box, clear box, or open box) is a subsystem whose internals can be viewed but usually not altered. The term is used in systems engineering, software engineering, and in intelligent user interface design, where it is closely related to recent interest in explainable artificial intelligence.

Having access to the subsystem internals in general makes the subsystem easier to understand, but also easier to hack; for example, if a programmer can examine source code, weaknesses in an algorithm are much easier to discover. That makes white-box testing much more effective than black-box testing but considerably more difficult from the sophistication needed on the part of the tester to understand the subsystem.

The notion of a "Black Box in a Glass Box" was originally used as a metaphor for teaching complex topics to computing novices.


Mathematical models for complex systems

See also

References

  1. Patrick J. Driscoll, "Systems Thinking," in Gregory S. Parnell, Patrick J. Driscoll, and Dale L. Henderson (eds.), Decision Making in Systems Engineering and Management, 2nd. ed., Hoboken, NJ: Wiley, 2011, 40.
  2. Höök, Kristina; Karlgren, Jussi; Waern, Annika; Dahlbäck, Nils; Jansson, Carl Gustaf; Karlgren, Klas; Lemaire, Benoît (1998). "A glass box approach to adaptive hypermedia". Adaptive hypertext and hypermedia: 143-170.
  3. Karlgren, Jussi; Höök, Kristina; Lantz, Ann; Palme, Jacob; Pärgman, Daniel (1994). "The glass box user model for filtering". Fourth international conference on User Modeling.
  4. Raj, Arun (2020). "Explainable AI: From black box to glass box". Journal of the Academy of Marketing Science. 48 (1): 137-141.
  5. Höök, Kristina; Karlgren, Jussi; Waern, Annika (1995). "A glass box intelligent help interface". First Workshop on Intelligent Multimodal Interfaces.
  6. du Boulay, Benedict; O'Shea, Tim; Monk, John (1981). "The black box inside the glass box: presenting computing concepts to novices". International Journal of Man-Machine Studies. 14 (3): 237-249.


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