====== Blackholes and volcanos ======







  * Zhongmou Li, Hui Xiong, Yanchi Liu: Detecting Blackholes and Volcanoes in Directed Networks. [[http://datamining.rutgers.edu/publication/blackhole.pdf|2010 IEEE International Conference on Data Mining]], [[http://arxiv.org/abs/1005.2179|arxiv]]
  * Zhongmou Li, Hui Xiong and Yanchi Liu: Mining blackhole and volcano patterns in directed graphs: a general approach. [[http://www.springerlink.com/content/5701377033448410/|Data Mining and Knowledge Discovery]]
  * [[http://www.springer.com/computer/database+management+%26+information+retrieval/journal/10618|Data Mining and Knowledge Discovery]], IF 2010=1.238; 2009=2.95; 2008=2.421
  * [[http://www.springer.com/series/8768|Lecture Notes in Social Networks]]
  * Batagelj, V, Pisanski, T: [[http://vlado.fmf.uni-lj.si/vlado/papers/Euler.pdf|On partially directed Eulerian multigraphs]]. Publ. Inst. Math. (Belgr.), 1979, 25(39), 16-24

===== Macro  Diff =====

<code>
read a directed network with  n  vertices
Vector/Create Constant Vector [ n ] [1.0] -> AllOne
Operations/Network+Vector/Network*Vector  -> Input
Network/Create New Network/Transform/Transpose 1-mode [yes]
select vector AllOne as the First
Operations/Network+Vector/Network*Vector  -> Output
select vector Output as the Second
select vector Input as the First
Vectors/Subtract  -> Diff
Vector/Make Partition/by Intervals/Selected Thresholds [-0.00001 0.00001] 

</code>