PPT-Bayes Net Syntax and Semantics

Bayes Net Syntax A set of nodes one per variable X i A directed acyclic graph A conditional distribution for each node given its parent variables in the graph CPT conditional probability table each row is a distribution for child given values of its parents. (4)a. We placed the books (in alphabetical order/on the shelves) b. We misplaced the books (*in the wrong order/*on the shelves) ii) second complement (5)a. We advised them (to take the plane) Transformation: . An Impossible Dream?. Arend. . Rensink. , University of . Twente. BX Position Statement. Definition of language syntax. Definition of model . transformation. Definition of . language. Computer Science Department. University of Bologna/INRIA. Italy. Causal-Consistent Reversibility. in a Tuple-Based . Language. Joint work with . Elena . Giachino. ,. . Claudio Antares Mezzina and Francesco Tiezzi. IMT Advanced . Studies. . Lucca. Causal-Consistent Reversibility. in a Tuple-Based Distributed Language. Joint work with . Elena Giachino, . Ivan Lanese and Claudio . Mezzina. CINA. 2nd . Gen. Meeting . , . Semantics. , . and. . Comprehension. What is the difference between syntax and semantics. . Semantics- Grammatical rules for assigning meaning to a sentence. . Syntax- Grammatical rules for specifying correct word order and inflectional structure in a sentence. Doing this does not really give a clear explanation of the differences between the two. It is . t. o Programming Language Semantics,. to Program Verification. Grigore . Rosu. University of Illinois at Urbana-Champaign, USA. 1. How it all started. 1996: Started PhD with Joseph . Goguen. Discovered Maude as “fast OBJ”, then rewriting logic. Language using K. Grigore . Rosu. University of Illinois at Urbana-Champaign. Joint project . between . the FSL group at UIUC (USA) . and . the FMSE group at UAIC (Romania). http://k-framework.org. K Team. What does it mean?. Notes from Robert Sebesta Programming Languages. Syntax. Rules for the language. In English some syntax rules are:. Sentence starts with capital letter. Sentence ends with ‘.’, ‘?’, ‘!’. Chapter 3: Describing Syntax and Semantics. - Introduction. - The General Problem of Describing Syntax. - Formal Methods of Describing Syntax. - Attribute Grammars. - Describing the Meanings of Programs: Dynamic Semantics. Chapter 3 Topics. Introduction. The General Problem of Describing Syntax. Formal Methods of Describing Syntax. Attribute Grammars. Describing . the Meanings of Programs: Dynamic Semantics. 1-. 2. Introduction. Dan Jurafsky. Stanford University. Lecture 2: Word Sense Disambiguation. Word Sense Disambiguation (WSD). Given . A. . word in . context . A fixed inventory of potential word . senses. Decide which sense of the word this . Maudeversion20shouldrunontheEWSmachinesTypemaude2andyoushouldseethewelcomescreen/---WelcometoMaude---/Maude201builtAug12003172559Copyright1997-2003SRIInternationalMonSep11908162003Maudex0000Itcanalsob Bayes nets encode joint distributions as product of conditional distributions on each variable:. P. (. X. 1. ,..,X. n. ) = . . i. . P. (. X. i. . | . Parents. (. X. i. )). P(B). true. false. 0.001.