| 摘要 |
Disclosed, in one general aspect, is a computer-based method and apparatus for extracting predictive information from a collection of stored, machine-readable electronic documents. The method includes accessing at least a subset of the electronic documents each including different machine-readable predictive information about one or more future facts occurring after a publication time for that document. The method also includes extracting the predictive information about the one or more future facts from the accessed documents, acquiring verified information about one or more of the facts, and evaluating a measure of quality of the predictive information extracted from the documents based on the verified information about the facts. |
