id	keyword
bracis-28423	data
bracis-28423	index
bracis-28423	clusters
bracis-28423	number
bracis-28423	clustering
bracis-28423	\end{aligned}$$
bracis-28423	\text
bracis-28423	indices
bracis-28423	\in
bracis-28423	points
bracis-28423	set
bracis-28423	google
bracis-28423	scholar
bracis-28423	sets