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SUMMARY:Categorical compositional distributional semantics: state-of-the-a
 rt! - Mehrnoosh Sadrzadeh\, Queen Mary University of London
DTSTART:20140131T120000Z
DTEND:20140131T130000Z
UID:TALK50105@talks.cam.ac.uk
CONTACT:Tamara Polajnar
DESCRIPTION:Categorical compositional distributional model (Clark\, Coecke
 \, MS) provides a theoretical setting where one can combine the grammatica
 l structures of phrases and sentences with the vector semantics of the wor
 ds\nwithin them and build a vector semantics for the phrase and sentence. 
 The theory has been applied to a number of linguistic tasks under a number
  of concrete instantiations and assumptions. The experimental results have
  been competitive in some cases and better in others. One potential of thi
 s model is that it provides a tool for building vectors and linear maps ba
 sed on the roles of the words in propagating information around in the\nse
 ntence.\n\nIn this talk\, I aim to review this model in layman terms. I wi
 ll show how one can build vector space semantics for simper functional wor
 ds such as verbs and adjectives\, this is previous joint work with E. Gref
 enstette. I\nwill then review more recent work where one obtains vector sp
 ace semantics for logical words such as relative pronouns\, this is joint 
 work with Kartsaklis\, Clark\, and Coecke. Finally\, I will present ongoin
 g work on how\nto extend this setting to quantifiers\, or at least one kin
 d of it. This is joint work with O. Rypacek.\n
LOCATION:FW26\, Computer Laboratory
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