Efficiently mining rich subgraphs from vertex-attributed graphs

Riyad Hakim, Saeed Salem Abstract With the rapid collection of large network data such as biological networks and social networks, it has become very important to develop efficient techniques for network analysis. In many domains, additional attribute data can be associated with entities and relationships in the network, where the network data represents relationships among…

Evolutionary dynamics of piRNA clusters in Drosophila

Filip Wierzbick, Robert Kofler, Sarah Signor Abstract Small RNAs produced from transposable element (TE)-rich sections of the genome, termed piRNA clusters, are a crucial component in the genomic defence against selfish DNA. In animals, it is thought the invasion of a TE is stopped when a copy of the TE inserts into a piRNA cluster,…