[IEEE 2009 10th ACIS International Conference on Software Engineering, Artificial Intelligences, Networking and Parallel/Distributed Computing - Daegu, Korea (2009.05.27-2009.05.29)] 2009 10th ACIS International Conference on Software Engineering, Artificial Intelligences, Networking and Parallel/Distributed Computing - Mining Approximate Frequency Itemsets over Data Streams Based on D-Hash Table