摘要: Olera is a semisupervised information-extraction system that produces extraction rules from semistructured Web documents without requiring detailed annotation of the training …
Chia-Hui Chang, Shao-Chen Lui, IEPADProceedings of the tenth international conference on World Wide Web - WWW '01. pp. 681- 688 ,(2001) , 10.1145/371920.372182