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Latent space. A latent space, also known as a latent feature space or embedding space, is an embedding of a set of items within a manifold in which items resembling each other are positioned closer to one another. Position within the latent space can be viewed as being defined by a set of latent variables that emerge from the resemblances from ...
Knowledge space. In mathematical psychology and education theory, a knowledge space is a combinatorial structure used to formulate mathematical models describing the progression of a human learner. [1] Knowledge spaces were introduced in 1985 by Jean-Paul Doignon and Jean-Claude Falmagne, [2] and remain in extensive use in the education theory ...
In computational learning theory, probably approximately correct ( PAC) learning is a framework for mathematical analysis of machine learning. It was proposed in 1984 by Leslie Valiant. [1] In this framework, the learner receives samples and must select a generalization function (called the hypothesis) from a certain class of possible functions.
Statistical learning theory is a framework for machine learning drawing from the fields of statistics and functional analysis. [1] [2] [3] Statistical learning theory deals with the statistical inference problem of finding a predictive function based on data. Statistical learning theory has led to successful applications in fields such as ...
The Space Science Institute ( SSI) in Boulder, Colorado, is a nonprofit, public-benefit corporation formed in 1992. Its purpose is to create and maintain an environment where scientific research and education programs can flourish in an integrated fashion. SSI is among the four non-profit institutes in the US cited in a 2007 report by Nature ...
The Third Space is a postcolonial sociolinguistic theory of identity and community realized through language. It is attributed to Homi K. Bhabha. Third Space Theory explains the uniqueness of each person, actor or context as a "hybrid". [1] See Edward W. Soja for a conceptualization of the term within the social sciences and from a critical ...
Learning Tools Interoperability ( LTI) is an education technology specification developed by 1EdTech ( IMS Global Learning Consortium at the time of creation). It specifies a method for a learning system to invoke and to communicate with external systems. [1] In the current version of the specification, v1.3, this is done using OAuth2, OpenID ...
Logo. Challenger Center for Space Science Education is a United States 501 (c) (3) non-profit organization headquartered in Washington, DC. It was founded in 1986 by the families of the astronauts who died in the Space Shuttle Challenger disaster on January 28, 1986. The organization's mission is to inspire and educate students in science ...