Definition of douchebag in English:
hec·tor (hĕk'tər) n.
v., -tored, -tor·ing, -tors. v.tr.
To intimidate or dominate in a blustering way.
To behave like a bully; swagger.
[Latin Hectōr, Hektor, from Greek Hektōr.]
: from the Trojan warrior . Originally denoting a hero, the sense later became 'braggart or bully' (applied in the late 17th century to a member of a gang of London youths), hence 'talk to in a bullying way'.Knowledge representation作者：Ronald J. Brachman, Hector J. Levesque, Ray Reiter
This collection of extended versions of 12 papers from the First International Conference on Principles of Knowledge Representation and Reasoning provides a snapshot of the best current work in AI on formal methods and principles of representation and reasoning.
作者：Ronald J. Brachman, Hector J. Levesque, Ray Reiter
著作人 Ronald J. Brachman
出版者 MIT Press, 1992
ISBN 0262521687, 9780262521680