A Comparative Introduction to XDG Semantics by gregoria

VIEWS: 4 PAGES: 18

									A Comparative Introduction to XDG: Semantics
                           Ralph Debusmann
                                  and
                             Denys Duchier


                                                       ¨
   Programming Systems Lab, Saarland University, Saarbrucken, Germany
                                  and
               ´
               Equipe Calligramme, LORIA, Nancy, France




                                                           A Comparative Introduction to XDG: Semantics – p.1
Representing semantics

  • Von jedem Mann wird eine Frau geliebt.
  • semantics (weak reading):
    ∀x.man(x) → ∃y.woman(y) ∧ love(x, y)
  • two dimensions:
     ◦ predicate-argument structure
     ◦ scope structure (derivation tree)




                                             A Comparative Introduction to XDG: Semantics – p.2
Predicate-argument dimension


              ∀ x man(x)   ⇒   ∃ y woman(y) ∧ love(x,y)




                                                          A Comparative Introduction to XDG: Semantics – p.3
Predicate-argument dimension


              ∀ x man(x)    ⇒   ∃ y woman(y) ∧ love(x,y)




             ∀x    man(x)         ∃y    woman(y) love(x,y)




                                                             A Comparative Introduction to XDG: Semantics – p.3
Predicate-argument dimension


              ∀ x man(x)    ⇒   ∃ y woman(y) ∧ love(x,y)




             ∀x    man(x)         ∃y    woman(y) love(x,y)




                                                             A Comparative Introduction to XDG: Semantics – p.3
Predicate-argument dimension


              ∀ x man(x)    ⇒   ∃ y woman(y) ∧ love(x,y)




             ∀x    man(x)         ∃y    woman(y) love(x,y)




                                                             A Comparative Introduction to XDG: Semantics – p.3
Predicate-argument dimension


              ∀ x man(x)    ⇒   ∃ y woman(y) ∧ love(x,y)




             ∀x    man(x)         ∃y    woman(y) love(x,y)




                                                             A Comparative Introduction to XDG: Semantics – p.3
Predicate-argument dimension


              ∀ x man(x)    ⇒   ∃ y woman(y) ∧ love(x,y)




             ∀x    man(x)         ∃y    woman(y) love(x,y)




                                                             A Comparative Introduction to XDG: Semantics – p.3
Predicate-argument dimension


                  ∀ x man(x)            ⇒      ∃ y woman(y) ∧ love(x,y)
                                  .

                           1                   arg1             1   arg2
                        arg                                  arg




          von   jedem          Mann     wird          eine          Frau   geliebt


                ∀x             man(x)             ∃y         woman(y) love(x,y)




                                                                                     A Comparative Introduction to XDG: Semantics – p.3
Scope dimension


             ∀ x man(x)   ⇒   ∃ y woman(y) ∧ love(x,y)




                                                         A Comparative Introduction to XDG: Semantics – p.4
Scope dimension


             ∀ x man(x)   ⇒    ∃ y woman(y) ∧ love(x,y)




           ∀x • ⇒ •   man(x)   ∃ y • ∧ • woman(y)    love(x,y)




                                                                 A Comparative Introduction to XDG: Semantics – p.4
Scope dimension


             ∀ x man(x)   ⇒    ∃ y woman(y) ∧ love(x,y)




           ∀x • ⇒ •   man(x)   ∃ y • ∧ • woman(y)    love(x,y)




                                                                 A Comparative Introduction to XDG: Semantics – p.4
Scope dimension


             ∀ x man(x)   ⇒    ∃ y woman(y) ∧ love(x,y)




           ∀x • ⇒ •   man(x)   ∃ y • ∧ • woman(y)    love(x,y)




                                                                 A Comparative Introduction to XDG: Semantics – p.4
Scope dimension


             ∀ x man(x)   ⇒    ∃ y woman(y) ∧ love(x,y)




           ∀x • ⇒ •   man(x)   ∃ y • ∧ • woman(y)    love(x,y)




                                                                 A Comparative Introduction to XDG: Semantics – p.4
Scope dimension


             ∀ x man(x)   ⇒    ∃ y woman(y) ∧ love(x,y)




           ∀x • ⇒ •   man(x)   ∃ y • ∧ • woman(y)    love(x,y)




                                                                 A Comparative Introduction to XDG: Semantics – p.4
Scope dimension


                 ∀ x man(x)        ⇒       ∃ y woman(y) ∧ love(x,y)
                                   .

                           r           s

                                                          r    s




           von     jedem        Mann        wird   eine       Frau   geliebt


             ∀x • ⇒ •          man(x)      ∃ y • ∧ • woman(y)        love(x,y)




                                                                                 A Comparative Introduction to XDG: Semantics – p.4
XDG analysis (ds, pa, sc)

                                                    .

                                               jd                  objd
                                           sub
                              d                                                 d
                        det                                               det


                every             politician        hates          a            vegetable


                                                    .

                           r                                arg              r
                        arg         arg1                       2          arg


                every             politician        hates          a            vegetable

                                                     .
                                       s
                          r                                   s             r



                every             politician        hates           a            vegetable




                                                                                             A Comparative Introduction to XDG: Semantics – p.5
XDG analysis (sc, strong/weak reading)

                                        .

                                    s                   r

                       r       s



               every       politician   hates       a       vegetable


                                        .

                       r            s

                                                s       r



               every       politician   hates       a       vegetable




                                                                        A Comparative Introduction to XDG: Semantics – p.6

								
To top