you're trying to maximize the inner product of the word you're considering and the words around them okay so if you're trying to still predict the words around you but now instead of having this prediction soft max over all of the classes you only have the soft max over a subset of classes so what you'll do is use sample words from your vocabulary at random and you sample K of them and you're simply trying to now minimize the inner product between those words and your okay so what is that ultimately lead to it ultimately leads to the following you