User-Oriented Machine Learning Strategies for Information Extraction: Putting the Human Back in the Loop

nformationthey wish to locate and extract. Real IE applicationsmust allow users to specify the nature of the informationstructures they desire while shielding them fromthe details of how the system locates new structures.Assuming users specify their information needs by providingexamples, there is a natural tension between twocriteria of coverage and responsiveness. Coverage is thesystem's ability to extract all desired information for theuser, i.e. to completely cover the task;...