what is k-means what is word clustering algorithm why do word cluster algorithms work when do i need a similarity matrix in clustering how does word clustering work? word clustering definition why does word clustering work? how to cluster word when a word cluster is used it is determined what is similarity how does word clustering work what is similarity matrix in clustering what type of algorithm is used for word clustering cluster vs hierarchical clustering different kinds of clustering algorithms which algorithm can be used to cluster the data? what is similarity matrix what kind of matrix is similar to a cluster algorithm in word clustering different clustering algorithms how is word clustering used what is similarity matrix and the cluster