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This volume features over 100 selected papers extended and revised from the 4th International conference on Knowledge Discovery and Data Mining, WKDD 2012, held March 2011 in Macau, China.

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The volume includes a set of selected papers extended and revised from the 4th International conference on Knowledge Discovery and Data Mining, March 1-2, 2011, Macau, Chin.

This Volume is to provide a forum for researchers, educators, engineers, and government officials involved in the general areas of knowledge discovery and data mining and learning to disseminate their latest research results and exchange views on the future research directions of these fields. 108 high-quality papers are included in the volume.

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From the content: On the Analysis of Speciality construction and development in Independent Institute.- EVA and DEA, which is better in Reflecting the Capital Efficiency?.- Research on the impact of VAT transformation on investment in fixed assets and the performance of listed companies in Northeast China.- Design and Implementation of Tracking System for Dish Solar Thermal Energy Based on Embedded System.- An Alternating Simultaneously Minimizing Diagonal Matrix Error and Covariant Matrix Error Trilinear Decomposition Algorithm for Second-order Calibration.- Indoor Comfortable Environment Self-adjust System Based on Microchip EM78F668N.- High-Gain Stacked Minkowski Fractal Patch Antenna with Superstrate for 60GHz Communications.

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