Bidirectional Feedback Dynamic Particle Filter with Big Data for the Particle Degeneracy Problem Distributed and Weighted Extreme Learning Machine for Imbalanced Big Data Learning Improved Heuristic Job Scheduling Method to Enhance Throughput for Big Data Analytics Opportunities and challenges faced by digital libraries in the big data era 官方统计应如何面对Big Data的挑战 Load Feedback-Based Resource Scheduling and Dynamic Migration-Based Data Locality for Virtual Hadoop Clusters in OpenStack-Based Clouds Trajectory Big Data Processing Based on Frequent Activity Efficient Currency Determination Algorithms for Dynamic Data Inference of Online Approach to Non-parametric Smoothing of Big Data Understanding Big Data for Industrial Innovation and Design:The Missing Information Systems Perspective