Measuring Closure Properties of Patent Sublanguages.

Irina P. Temnikova Negacy D. Hailu Galia Angelova K. Bretonnel Cohen

Published in: RANLP (2013)

Keyphrases

closure properties
expressive power
tree automata
information retrieval
context free grammars
intellectual property
query language
conjunctive queries
context free
prior art
high level
relational databases
first order logic
query evaluation
structural properties