Programming language semantics | Models of computation | Logic in computer science | Denotational semantics | Formal specification languages

Denotational semantics

In computer science, denotational semantics (initially known as mathematical semantics or Scott–Strachey semantics) is an approach of formalizing the meanings of programming languages by constructing mathematical objects (called denotations) that describe the meanings of expressions from the languages. Other approaches providing formal semantics of programming languages include axiomatic semantics and operational semantics. Broadly speaking, denotational semantics is concerned with finding mathematical objects called domains that represent what programs do. For example, programs (or program phrases) might be represented by partial functions or by games between the environment and the system. An important tenet of denotational semantics is that semantics should be compositional: the denotation of a program phrase should be built out of the denotations of its subphrases. (Wikipedia).

Video thumbnail

Simplify a rational expression

Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor completely the numerator and the denominator of the rational

From playlist Simplify Rational Expressions (Binomials) #Rational

Video thumbnail

Learn to rationalize the denominator with a monomial as the denominator ex 6

👉 Learn how to rationalize the denominator. Rationalization is the simplification of a rational expression by multiplying the denominator and the numerator of the expression by the conjugate of the denominator. The conjugate of an expression of two terms is obtained by changing the sign be

From playlist Rationalize the Denominator with Fractional Exponent

Video thumbnail

Truth Conditional Meaning in Model Theory (Fragment F1) - Semantics in Linguistics

We introduce the model theory of fragment F1 in Chierchia and McConnel-Ginet (2000)'s book on #semantics in #linguistics. We cover the meaning of proper nouns, intransitive verbs, transitive verbs, negation, and conjunctions, as well as how to derive meaning of larger constituents. We do a

From playlist Semantics in Linguistics

Video thumbnail

Computational Semantics: How Computers Know what Words Mean [Lecture]

This is a single lecture from a course. If you you like the material and want more context (e.g., the lectures that came before), check out the whole course: https://boydgraber.org/teaching/CMSC_723/ (Including homeworks and reading.) Music: https://soundcloud.com/alvin-grissom-ii/review

From playlist Computational Linguistics I

Video thumbnail

Simplify an expression by rationalizing the denominator

👉 Learn how to divide rational expressions having square root binomials. To divide a rational expression having a binomial denominator with a square root radical in one of the terms of the denominator, we multiply both the numerator and the denominator by the conjugate of the denominator a

From playlist Rationalize the denominator with radical binomials

Video thumbnail

Learn how to rationalize the denominator with a rational exponent

👉 Learn how to rationalize the denominator. Rationalization is the simplification of a rational expression by multiplying the denominator and the numerator of the expression by the conjugate of the denominator. The conjugate of an expression of two terms is obtained by changing the sign be

From playlist Rationalize the Denominator with Fractional Exponent

Video thumbnail

Simplifying rational expression

Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor completely the numerator and the denominator of the rational

From playlist Simplify Rational Expressions (Binomials) #Rational

Video thumbnail

Simplifying a rational expression with a trinomial

Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor completely the numerator and the denominator of the rational

From playlist Simplify Rational Expressions

Video thumbnail

Simplify a rational expression

Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor completely the numerator and the denominator of the rational

From playlist Simplify Rational Expressions

Video thumbnail

Educ 151. Lec 09. Language and Literacy: Understanding Semantics, Part I

UCI Education 151: Language and Literacy (Fall 2011) Lec 09. Language and Literacy: Language and Literacy: Understanding Semantics, Part I View the complete course: http://ocw.uci.edu/courses/education_151_language_and_literacy.html Instructor: Penelope Collins License: Creative Commons

From playlist Education 151: Language and Literacy

Video thumbnail

Marie Kerjean: Differential linear logic extended to differential operators

HYBRID EVENT Recorded during the meeting Linear Logic Winter School" the January 28, 2022 by the Centre International de Rencontres Mathématiques (Marseille, France) Filmmaker: Guillaume Hennenfent Find this video and other talks given by worldwide mathematicians on CIRM's Audiovisual

From playlist Logic and Foundations

Video thumbnail

03.5 - ISE2021 - Resource Description Framework RDF as simple Data Model

Information Service Engineering 2021 Prof. Dr. Harald Sack Karlsruhe Institute of Technology Summer semester 2021 Lecture 7: knowledge Graphs - 2 3.5 Resource Description Framework RDF as simple Data Model - RDF - N Triples - Blank Nodes - Literals and Datatypes Playlist: https://www.y

From playlist ISE 2021 - Lecture 07, 02.06.2021

Video thumbnail

Simplify a rational expression

Learn how to simplify rational expressions. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. To simplify a rational expression, we factor completely the numerator and the denominator of the rational

From playlist Simplify Rational Expressions

Video thumbnail

5.6 - Semantic Search

nformation Service Engineering 2021 Prof. Dr. Harald Sack Karlsruhe Institute of Technology Summer semester 2021 Lecture 14: ISE Applications - 2 5.6 Semantic Search - Information Retrieval Dilemma - Semantic Technology Enhanced IR - Semantic Search - Entity-Based Search - Question Answe

From playlist ISE 2021 - Lecture 14, 21.07.2021

Related pages

Category of sets | Knaster–Tarski theorem | Denotational semantics of the Actor model | Parametric polymorphism | Mathematical object | Least fixed point | Scott continuity | Domain theory | Complete partial order | Profunctor | Operational semantics | Power domains | Game semantics | Abstract interpretation | Recursive data type | Bourbaki–Witt theorem | Model theory | Process calculus | Untyped lambda calculus | Factorial | Game theory | Chain-complete partial order | Logical disjunction | Applicative programming language | Natural transformation | Logical relations | Iterated function | Nondeterministic algorithm | Denotational semantics | Function (mathematics) | Linear logic | Proof net | Unbounded nondeterminism | Union (set theory) | Axiomatic semantics | Category theory | Observational equivalence | Coherent space | Communicating sequential processes | Actor model | Category (mathematics) | Model checking | Functor | Type theory | Functor category | Ordered pair | Polymorphism (computer science) | Partial function | Kleisli category | Recursion | Object (computer science)