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Advances in Knowledge Discovery and Data Mining: 15th by Leting Wu, Xiaowei Ying, Xintao Wu, Aidong Lu, Zhi-Hua Zhou

By Leting Wu, Xiaowei Ying, Xintao Wu, Aidong Lu, Zhi-Hua Zhou (auth.), Joshua Zhexue Huang, Longbing Cao, Jaideep Srivastava (eds.)

The two-volume set LNAI 6634 and 6635 constitutes the refereed lawsuits of the fifteenth Pacific-Asia convention on wisdom Discovery and knowledge Mining, PAKDD 2011, held in Shenzhen, China in may possibly 2011.

The overall of 32 revised complete papers and fifty eight revised brief papers have been conscientiously reviewed and chosen from 331 submissions. The papers current new rules, unique study effects, and functional improvement studies from all KDD-related parts together with facts mining, desktop studying, man made intelligence and development popularity, facts warehousing and databases, statistics, knoweldge engineering, habit sciences, visualization, and rising parts reminiscent of social community analysis.

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Extra info for Advances in Knowledge Discovery and Data Mining: 15th Pacific-Asia Conference, PAKDD 2011, Shenzhen, China, May 24-27, 2011, Proceedings, Part II

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The negative edges within the communities cause a small number of nodes lie on the negative parts of the two lines. Nodes with inter-community edges deviate from the two lines. 2). We can observe that more nodes lie on the negative parts of the lines, since more inner-community edges are changed to negative. The rotation angles of the two lines are smaller than that Spectral Analysis of k-Balanced Signed Graphs 9 in Figure 3(b). This is because the positive inter-community edges “pull” the rotation clockwise a little, and the rotation we observe depends on the effects from both positive and negative inter-community edges.

Huang, L. Cao, and J. ): PAKDD 2011, Part II, LNAI 6635, pp. 13–25, 2011. c Springer-Verlag Berlin Heidelberg 2011 14 U Kang, B. Meeder, and C. Faloutsos 1. Effectiveness: With HE IGEN we analyze billion-scale real-world graphs and report discoveries, including a high triangle vs. degree ratio for adult sites and web pages that participate in billions of triangles. 2. Careful Design: We choose among several serial algorithms and selectively parallelize operations for better efficiency. 3. Scalability: We use the H ADOOP platform for its excellent scalability and implement several optimizations for HE IGEN, such as cache-based multiplications and skewness exploitation.

2. (Left) Graph-shaped search space. (Right) Search tree induced by the reduction map. Linear Graph i (A-1) i j (B-1) j (B-2) i (B-3) i j (C-1) (B-4) i j (C-2) i j (C-4) j j (C-3) i j (C-5) i i j j i (C-6) i j i j Fig. 3. Example of children patterns. There are three types of extension with respect to the number of nodes: (A) no-node-addition, (B) one-node-addition, (C) two-nodesaddition. (C) two-nodes-addition. Let us define the largest edge of g as (i, j), i < j. Then, the enumeration of case A is done by adding an edge which is larger than (i, j).

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