Synonyms
Glossary
- Local Topology:
-
Parts of the network graph in the close distance (typically, 1 up to 2 links) from given node
- Network Motifs:
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Recurrent and statistically significant subgraphs of given graph G
- Network Sampling:
-
Picking (randomly or using chosen heuristics) a number of representative subgraphs contained in given network graph G
- SNA:
-
Social network analysis
- Subgraph Count:
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A procedure for enumerating all given subgraphs (e.g., four-node subgraphs) of graph G
- Subgraph:
-
Of a graph G is a graph whose node set is a subset of that of G and whose edge set is a subset of that of G
- TSP:
-
Triad significance profile
Definition
Complex networks, both biological and engineered, were analyzed with respect to the so-called network motifs (Milo et al. 2002). They are small subgraphs (usually of 3 up to 7 nodes in size – due to prohibitive computational cost in the case of enumerating all larger subgraphs in complex networks) which...
References
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Itzkovitz S, Milo R, Kashtan N, Ziv G, Alon U (2003) Subgraphs in random networks. Phys Rev E 68:026127
Juszczyszyn K, Musial K, Kazienko P (2008) Local topology of social network based on motif analysis. In: 11th international conference on knowledge-based intelligent information and engineering systems, KES 2008, Croatia. Lecture notes in artificial intelligence. Springer, Berlin
Juszczyszyn K, Musial K, Kazienkos P, Gabrys B (2009) Temporal changes in local topology of an email–based social network. Comput Inform 28(6):763–779
Kashtan N, Itzkovitz S, Milo R, Alon U (2004) Efficient sampling algorithm for estimating subgraph concentrations and detecting network motifs. Bioinformatics 20(11):1746–1758
Mangan S, Alon U (2003) Structure and function of the feed-forward loop network motif. Proc Natl Acad Sci USA 100(21):11980–11985
Mangan S, Zaslaver A, Alon U (2003) The coherent feedforward loop serves as a sign-sensitive delay element in transcription networks. J Mol Biol 334:197–204
Milo R, Shen-Orr S, Itzkovitz S, Kashtan N, Chklovskii D, Alon U (2002) Network motifs: simple building blocks of complex networks. Science 298:824–827
Milo R, Itzkovitz S, Kashtan N, Levitt R, Shen-Orr S, Ayzenshtat I, Sheffer M, Alon U (2004) Superfamilies of evolved and designed networks. Science 303(5663):1538–1542
Onnela J-P, Saramäki J, Kertesz J, Kaski K (2005) Intensity and coherence of motifs in weighted complex networks. Phys Rev E 71:065103
Onnela J-P et al (2007) Structure and tie strengths in mobile communication networks. Proc Natl Acad Sci (PNAS) 104:7332–7336
Przulj N (2006) Biological network comparison using graphlet degree distribution. Bioinformatics 23(2):177–183
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Wernicke S, Rasche F (2006) FANMOD: a tool for fast network motif detection. Bioinformatics 22(9):1152–1153
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Recommended Reading
Efficient motif detection algorithm, dedicated for large complex networks is described in Mangan and Alon (2003)
Fast and reliable motif detection tool may be downloaded from http://theinf1.informatik.unijena.de/~wernicke/motifs/. Additional information can be found in Wernicke and Rasche (2006)
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Juszczyszyn, K. (2017). Motif Analysis. In: Alhajj, R., Rokne, J. (eds) Encyclopedia of Social Network Analysis and Mining. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-7163-9_238-1
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DOI: https://doi.org/10.1007/978-1-4614-7163-9_238-1
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