Bridge and brick network motifs

Cheng Chiaying*, Huang Chungyuan, Sun Chuentsai, Ji-Lung Hsieh

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Researchers are increasingly acknowledging the important role of complex networks in numerous scientific contexts. In this paper we define two kinds of motifs - bridge and brick - for exploring and predicting network behaviors and functions and for identifying differences among network structures. Based on an analysis of these motifs in genetic, social, ecological, and engineering networks, we found significant differences in motif functionality and topology. After initially observing similarities between social networks and their genetic, ecological, and engineering counterparts, we eventually noted greater amounts of brick motif in social networks and greater amounts of bridge motif in the other three types. Our conclusion is that bridge and brick motif content analyses can assist researchers in understanding the small-world and clustering properties of network structures and in investigating network functions and behaviors.

Original languageEnglish
Title of host publicationProceedings of the World Congress on Intelligent Control and Automation (WCICA)
Number of pages5
Publication statusPublished - 2006 Dec 1
Event6th World Congress on Intelligent Control and Automation, WCICA 2006 - Dalian, China
Duration: 2006 Jun 212006 Jun 23


Other6th World Congress on Intelligent Control and Automation, WCICA 2006


  • Clustering
  • Complex network
  • Motif
  • Small-world property
  • Strong/weak-tie link

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Software
  • Computer Science Applications


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