10. A method, comprising matching, by a system including a processor, unstructured metadata included in an uploaded media and representing a free-form text description associated with the uploaded media with structured metadata representing a structured text description of a candidate media in a reference database based upon a matching function value; and determining, by the system, a confidence score for the candidate media based upon a scoring function comprised of a first product of the matching function value and a first sum of one and a candidate weight, the first product divided by a second sum of a normalized unstructured function value for the probe media item and a second product of the candidate weight and a normalized structured function value of the candidate media.
10. A method, comprising matching, by a system including a processor, unstructured metadata included in an uploaded media and representing a free-form text description associated with the uploaded media with structured metadata representing a structured text description of a candidate media in a reference database based upon a matching function value; and determining, by the system, a confidence score for the candidate media based upon a scoring function comprised of a first product of the matching function value and a first sum of one and a candidate weight, the first product divided by a second sum of a normalized unstructured function value for the probe media item and a second product of the candidate weight and a normalized structured function value of the candidate media. 11. The method of claim 10 , wherein the matching function value is based upon a third product of a title weight and a title match scoring function value, the third product added to a fourth product of an author weight and an author match scoring function value.