1. A method for managing sentiments, the method comprising: receiving, by a sentiment management computing device, one or more evaluated posts as an input item to be managed, wherein each of the one or more evaluated posts is categorized into a first classification type; identifying, by the sentiment management computing device, each of the one or more evaluated posts in a multidimensional feature space, wherein each dimension represents a unique feature corresponding to the one or more evaluated posts; receiving, by the sentiment management computing device, an indication from at least one user on each of the one or more identified evaluated posts, as an output item to be managed, wherein the indication from the user represents a second classification type; and performing, by the sentiment management computing device, a neighborhood operation for each of the one or more identified evaluated posts, based on the second classification type.