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Qu'est-ce (qui) est Tree Transformation Language - définition

FORMAL GRAMMAR

Regular tree; Regular tree language

Tree Transformation Language

<functional language, rule-based language> (TXL) A hybrid functional language and rule-based language developed by J.R. Cordy <cordy@cs.queensu.ca> et al of {Queen's University}, Canada in 1988. TXL is suitable for performing source to source analysis and transformation and for rapidly prototyping new languages and language processors. It uses structural transformation based on term rewriting. TXL has been particularly successful in software engineering tasks such as design recovery, refactoring, and reengineering. Most recently it has been applied to artificial intelligence tasks such as recognition of hand-written mathematics, and to transformation of {structured documents} in XML. TXL takes as input an arbitrary context-free grammar in extended BNF-like notation, and a set of show-by-example transformation rules to be applied to inputs parsed using the grammar. TXL supports the notion of agile parsing, the ability to tailor the grammar to each particular task using "grammar overrides". Latest version: FreeTXL 10.3, as of 2003-10-26. TXL Home (http://txl.ca/). ["TXL: A Rapid Prototyping System for Programming Language Dialects", J.R. Cordy, C.D.; Halpern and D. Promislow, Computer Languages, Vol. 16, No. 1, January 1991, pp 97-107] ["Source Transformation in Software Engineering using the TXL Transformation System", J.R. Cordy, T.R. Dean, A.J. Malton and K.A. Schneider, Journal of Information and Software Technology, Vol. 44, No. 13, October 2002, pp 827-837] ["Recognizing Mathematical Expressions Using Tree Transformation", R. Zanibbi, D. Blostein and J.R. Cordy, IEEE Transactions on Pattern Analysis & Machine Intelligence, Vol. 24, No. 11, November 2002, pp 1455-1467] ["Agile Parsing in TXL", T.R. Dean, J.R. Cordy, A.J. Malton and K.A. Schneider, Journal of Automated Software Engineering, Vol. 10, No. 4, October 2003, pp 311-336] (2003-11-04)

Transformation (genetics)

PLANNED GENETIC ALTERATION OF A CELL BY UPTAKE OF GENETIC MATERIAL FROM THE ENVIRONMENT

DNA transfer; Bacterial transformation; Transformation, bacterial; Genetic transformation; Cell transformation, viral; Cell transformation, neoplastic; Transformation, genetic; Transformation (bacteria); Cellular transformation; Yeast transformation; Genetic transformation of plants

In molecular biology and genetics, transformation is the genetic alteration of a cell resulting from the direct uptake and incorporation of exogenous genetic material from its surroundings through the cell membrane(s). For transformation to take place, the recipient bacterium must be in a state of competence, which might occur in nature as a time-limited response to environmental conditions such as starvation and cell density, and may also be induced in a laboratory.

https://en.wikipedia.org/wiki/Transformation_(genetics)

Geometric transformation

BIJECTION OF A SET HAVING SOME GEOMETRIC STRUCTURE TO ITSELF OR ANOTHER SUCH SET

Discrete transformation; Continuous transformation; Transformation (combinatorics); Transformation (geometry); Geometrical transformation; Partial transformation; Geometric transformations

In mathematics, a geometric transformation is any bijection of a set to itself (or to another such set) with some salient geometrical underpinning. More specifically, it is a function whose domain and range are sets of points — most often both \mathbb{R}^2 or both \mathbb{R}^3 — such that the function is injective so that its inverse exists.

https://en.wikipedia.org/wiki/Geometric_transformation

Wikipédia

Regular tree grammar

In theoretical computer science and formal language theory, a regular tree grammar is a formal grammar that describes a set of directed trees, or terms. A regular word grammar can be seen as a special kind of regular tree grammar, describing a set of single-path trees.

https://en.wikipedia.org/wiki/Regular tree grammar