Cluster

This section introduces the class SingleCluster and ClusterList.

SingleCluster class

The class SingleCluster is an internal class for TrendFlow. It represents the clusters of article after the clustering procedure in TrendFlow. It stores the keyphrases of the cluster.

Instance Attributes

• top_5_keyphrases (list): the top-5 keyphrases of the cluster

Instance Functions

• get_elements(self) -> List: return a list of article indexes of this cluster. The indexes are with respect to the associated ArticleList object returned by TrendFlow.
• get_keyphrases(self) -> List: return a list of (keyphrase, count of keyphrase).
• print_keyphrases(self): print all the keyphrases

ClusterList class

The list representation of clusters.

Instance Functions

• sort(self): sort the clusters according to the size of each cluster (i.e. the number of articles within the cluster) descendingly