Record Extractor:Consensus Heuristic

Certainty is a generalization of: C(E1) + C(E2) - C(E1)C(E2).

C denotes certainty and Ei is the evidence for an observation.

Our certainties are based on observations from 10 different

sites for 2 different applications (car ads and obituaries)

Correct Tag Rank

Heuristic 1 2 3 4

IT 96% 4%

HT 49% 33% 16% 2%

SD 66% 22% 12%

OM 85% 12% 2% 1%

RP 78% 12% 9% 1%

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