18. The computer program product of claim 17 wherein the filtering further comprises: identifying that the locatable entity is an uncommon entity.
18. The computer program product of claim 17 wherein the filtering further comprises: identifying that the locatable entity is an uncommon entity. 19. The computer program product of claim 18 wherein the actions further comprise: generating the rarity score pertaining to the uncommon entity; generating the phrase matching score pertaining to the uncommon entity; and generating the signal strength score pertaining to a context of the uncommon entity.