PPT-LSA 311 Computational Lexical Semantics

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 . Reference. :. Humphrey, S., Love, K., & . Droga. , L. (2011). . Working Grammar: An introduction for secondary English teachers. . Victoria: Pearson.. Lexical cohesion - definitions . Lexical. : (adjective) = the words of a language. Lecture 12. Modular Arithmetic and Applications. Autumn . 2012. Autumn 2012. CSE 311. 1. Announcements. Reading assignments. Today and Friday: . 4.1-4.3 . 7. th. Edition. Hira. . Waseem. Lecture. hirawaseem.mscs20@students.mcs.edu.pk. The Role of the Lexical Analyzer. As the first phase of a compiler, the main task of the lexical analyzer is . to read . the input characters of the source program, group them into lexemes, . Morphology and the Lexicon. Mental Lexicon. What is the meaning of cat? Its pronunciation? Part of speech?. What is the meaning of . wug. ?. What is the meaning of . cluvious. ?. Compare . traftful. and . SVEM21 . 3. Structuralist Semantics. Jordan Zlatev. 1. General characteristics. Semantic approaches can be:. Onomasilogical. . (from concept/domain to lexeme) vs. . semasiological. . (from lexeme to concept/meaning). lexical representations: . a . variationist. perspective . Gregory R. Guy. phonoLAM. group. July 2013. The problem of lexical scope. Some phonological generalizations are valid . only for . a subset of the lexicon . Linguistic Variation. Gregory R. Guy. Pennsylvania State University. 8 November . 2013. Issues, order of presentation. Theories and models: . Bybee. , . Pierrehumbert. ; Exemplar Theory vs. conventional phonology. lexical analyzer. parser. symbol table. source program. token. get next token. Important Issue: . . What are Responsibilities of each Box ?. Focus on Lexical Analyzer and Parser. 2. Why to separate Lexical analysis and parsing. SEMANTICS. YANBU UNIVERSITY COLLEGE. APPLIED LINGUISTICS DEPARTMENT. FIRST . SEMESTER-131. Prepared by : Ms. . Sahar. . Deknash. Linguistics and Semantics. Semantics . is defined as one branch of theoretical linguistics ( pure linguistics) that studies the linguistic meaning ( lexical meaning) of words, phrases and sentences. When we study the meaning of words, we usually concentrate on the denotative ( literal ) meaning more than the connotative meaning. and . Stylistic Devices. INTENTIONAL MIXING OF THE STYLISTIC ASPECT OF WORDS. . (. Metaphor. , . Metonymy. , . Irony. ). . INTERACTION OF DIFFERENT TYPES OF LEXICAL MEANING. . INTERACTION. . OF PRIMARY DICTIONARY AND CONTEXTUALLY IMPOSED MEANINGS. Omer Levy. . Ido. Dagan. Bar-. Ilan. University. Israel. Steffen Remus Chris . Biemann. Technische. . Universität. Darmstadt. Germany. Lexical Inference. Lexical Inference: Task Definition. EL APP MÓVIL 311 DE PANAMÁ. Rodolfo Caballero Rivera DIRECTOR NACIONAL DE ATENCIÒN CIUDADANA/REPÙBLICA DE PANAMÁ. www.311.gob.pa rcaballero@innovacion.gob.pa rcaballero@presidencia.gob.pa Structuralism is a very general movement , . general movement, or attitude, in twentieth-century thought, which has influenced many academic disciplines. It has been especially influential in the social sciences and in linguistics, semiotics and literary criticism. Part 1. 2. Review of MOSFETs and BJTs. For amplification:. MOSFET in Saturation (NMOS). BJT in Active mode (NPN). 3. Current-Voltage Characteristics. BJT in Active. MOSFET in SAT. Low-Frequency Small-Signal .