C SC 620 Advanced Topics in Natural Language ProcessingWordNet Browser SoftwareSlide 3wnconnect SoftwareSlide 5PowerPoint PresentationProlog as a Database Query LanguageSlide 8Class ExercisePossible Software ProjectAutoantonymsAntagonymsC SC 620Advanced Topics in Natural Language ProcessingLecture Notes 31/22/04WordNet Browser SoftwareWordNet Browser Software•For most platforms, see the Princeton website:–http://www.cogsci.princeton.edu/~wn/•For MacOS X (the one I’ve been using), see:–http://wordnet.sourceforge.net/wnconnect Software•http://linguistics.arizona.edu/~sandiway/wnconnect/wnconnect Software•Does a breadth-first search to find shortest or all connections between two words–MacOS X version uses neato (from the freely available Graphviz package) to render graphs•TTY-interface version now available for the Windows platform –(courtesy of TszYan Sandy Chow)–Uses SWI-Prolog •Free download from www.swi-prolog.org–Usage (Prolog syntax):•?- connect(happy,sad).Prolog as a Database Query Language•Can use other tools, of course …•Prolog as a logic-based database query language:–Bust as a verb belongs to 5 different synsets, i.e. has five different senses: •?- findall(S),s2(bust,v,_,S,_),L).L = [200266721,201083468,201083844,201246161,201961102] •Three of these have the same file number 35 (verb.contact): •?- findall((S,F),(s2(bust,v,_,S,_),file(S,F)),L).•L = [(200266721,30),(201083468,35), (201083844,35),(201246161,35),(201961102,41)]Prolog as a Database Query Language–The glosses corresponding to these three senses are:• ?- findall((S,G),(s2(bust,v,I,S,_),file(S,35),g(I,G)),L).•L = –[(201083468,'(go to pieces; "The lawn mower finally broke"; "The gears wore out"; "The old chair finally fell apart completely")'),–(201083844,'(ruin completely; "He busted my radio!")'),–(201246161,'(separate or cause to separate abruptly; "The rope snapped"; "tear the paper")')] –The relation common file number will conflate these three senses.Class Exercise•What have (specific senses) of the following nouns in common?–Umbrella–Saucepan–Baseball bat–Carpet beater•But do not share with:–Giraffe–Pretzel–HomeworkPossible Software Project•Verb autoantonymy “Verbs that express both one meaning and an opposing meaning”–Example: dust–American Heritage Dictionary:1.To remove dust …•dust the furniture2.To apply dust …•dust the cookies with sugarAutoantonyms•Locate?–There is a website with a manually-compiled list of autoantonyms somewhere … •Possibly, it is this page on antagonyms:–http://www-personal.umich.edu/~cellis/antagonym.htmlAntagonyms•Examples:–Buckle: to hold together (e.g. buckle your belt) vs. to fall apart (e.g., buckle under pressure) {AQ} Bull: A solemn edict or mandate vs. Nonsense or worthless information (3) {M} –Chuff: Elated vs. Unhappy (hinted at in 1) {M} –Cite, Citation: For doing good (such as military gallantry) vs. for doing bad (such as from a traffic policeman) (1) –Cleave: To adhere tightly vs. To cut apart (1) {A} –Clip: to attach vs. to cut off (1) {AH}{AS} –Cool: positive sense (cool web-sites) vs. negative sense(cool reception).
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