Day 2: Pruning continued; begin competition models. Roger Levy University of Edinburgh & University of California – San Diego. Today. Concept from probability theory: marginalization Complete Jurafsky 1996: modeling online data Begin competition models. Marginalization.
Day 2: Pruning continued;begin competition models
University of Edinburgh
University of California – San Diego
The complex houses married and single students and their families.
The warehouse fires a dozen employees each year.
The warehouse fires destroyed all the buildings.
[NP The complex] [VP houses married and single students…].
Frazier and Rayner 1987
[S [NP The complex] [VP houses…] …]
[S [NP The complex houses …] …]
these nodes are actually
still undergoing expansion
*implications for granularity of structural analysis
The horse raced past the barn fell.
transitive valence: p=0.08
The bird found in the room died.
*note also that Jurafsky does not treat found as having POS ambiguity
sometimes approximated as
Of course the pitcher was often forgotten…
Rayner and Duffy (1986); Duffy, Morris, and Rayner (1988)
*technically not calculated this way, but this would be the rational reconstruction