1
Algorithms and Models for the Web-Graph : 6th International Workshop, WAW 2009, Barcelona, Spain, February 12-13, 2009. Proceedings [E-Book]/
2
Formal Concept Analysis [E-Book] : 7th International Conference, ICFCA 2009 Darmstadt, Germany, May 21-24, 2009 Proceedings /
3
Frontiers in Algorithmics [E-Book] : Third International Workshop, FAW 2009, Hefei, China, June 20-23, 2009. Proceedings /