16. The computer-readable storage medium of claim 15 , wherein the executing of the query is aborted upon further determining that the query has retrieved a count of entities beyond a predefined threshold count, subsequent to the unsuitable ER candidate-building key being identified.
16. The computer-readable storage medium of claim 15 , wherein the executing of the query is aborted upon further determining that the query has retrieved a count of entities beyond a predefined threshold count, subsequent to the unsuitable ER candidate-building key being identified. 17. The computer-readable storage medium of claim 16 , wherein the executing of the query is aborted upon further determining that the unsuitable ER candidate-building key has retrieved a count of entities beyond a predefined threshold count, subsequent to being identified as the unsuitable ER candidate-building key.