Dictionary, Grounding Kernel, Kernel Core and Hierarchy
GK KC apple bad banana color dark edible fruit good light no not red tomato yellow apple 4 bad 1 banana 4 color 2 dark 1 edible 2 fruit3 good 1 light 1 no 0 not 0 red 3 tomato 4 yellow 3left: Compressing an artificially constructed mini-dictionary:
First remove all words reachable by definition alone. That leaves Grounding Kernel (GK) and Kernel Core (KC).
right: Definitional distance hierarchy:
KC is 0level. Furthest definitional distance is4
Results
hi hi hilohi lo lo lo hi lo Concreteness Imageability Spoken Frequency Age of acquisition Written Frequency GK KC D 0 1 2 3 4 5 6 7 8 100 200 300 400 500 Level Value AOA SF C I WFleft: Summary schema for compressed real dictionary:
Definitional distance is correlated with 5 psycholinguistic variables. Words in KC are acquired at younger age.
Correlation with age and oral/written frequency is dichotomous.
Correlation with concreteness and imageability is continuous across all 8 levels of the definitional distance hierarchy.
right: Mean values for 5 psycholinguistic correlates
The 3 dichotomous correlates (AOA, WF, SF) and 2 continuous correlates (C, I) at each definitional distance. (8th level spurious; sample too small.) O. Picard et al. (ISC, LaCIM, GERAD) Hierarchies in Dictionary Definition Space NIPS-Graphs 2009 2 / 2
