I really do not understand the concept of micro-cluster. I know its a temporal extension of Cluster Feature used in BIRCH algorithm but still I am confused whether it is a data structure or something else?
Micro- cluster is a temporal extension of the cluster feature, which compresses the data effectively. It defines the clusters by separating dense area from sparse ones. In clustering data streams, it is impractical to save all the incoming data objects. Micro-clusters are a popular technique in stream clustering, which maintain the compact representation of the clustering.
The following link may be useful for you.
http://www.iaeng.org/publication/IMECS2011/IMECS2011_pp410-414.pdf
Refer this..
https://www.academia.edu/35592818/Review_Data_Stream_Clustering_Using_Micro_Clusters
Micro-clustering is one of the remarkable methods in data stream clustering which is used to compress data streams effectively as well as record the temporal locality of data.
this article might help you Lubna Mehboob
https://www.academia.edu/35592818/Review_Data_Stream_Clustering_Using_Micro_Clusters
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