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CATEGORIES:Language Technology Lab Seminars
SUMMARY:Vanishing laws of semantic change - studying seman
 tic change using distributional word representatio
 ns and proper control condition - Haim Dubossarsky
  (Hebrew University of Jerusalem)
DTSTART;TZID=Europe/London:20170612T110000
DTEND;TZID=Europe/London:20170612T120000
UID:TALK72926AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/72926
DESCRIPTION:Recent developments in NLP have enabled language c
 hange research to use tools that were originally d
 eveloped to study synchronic similarities between 
 words. We review and report several proposed laws 
 of semantic change that have been found for distri
 butional word representations based on these techn
 iques. Furthermore\, we advocate the use of contro
 l condition under which any proposed laws should b
 e validated. We found that under a stringent contr
 ol condition\, many of the previously reported law
 s of semantic change diminished significantly\,  o
 r vanished. Specifically\, word frequency is found
  to play an artefactual role either directly or in
 directly (due to co-linearity) in many of the prop
 osed laws of semantic change. We claim that these 
 modified laws are in fact more credible than the o
 riginal ones due to the diverse factors that are i
 nvolved in semantic change.
LOCATION: SR-24\, English Faculty Building\, 9 West Road (S
 idgwick Site)
CONTACT:Mohammad Taher Pilehvar
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