14. The method of claim 13 wherein the determining and designating steps are performed for each fact bucket each time N additional fact triples are added to that fact bucket.
13. The method of claim 1 : wherein grouping the fact triples into a plurality of quarantine groups comprises adding each fact triple to a plurality of fact buckets, each fact bucket being defined by the corresponding fact characteristic shared by all fact triples added to that fact bucket; and wherein determining the reliability for each quarantine group comprises: for each fact bucket, determining whether each of a first number of fact triples added to that fact bucket is true or false with respect to the knowledge base; and designating each fact bucket as one of reliable, unreliable, or unknown based on one or both of a first number of fact triples added to that fact bucket determined to be false, or a second number of fact triples added to that fact bucket determined to be true.