To appear in 2004 International Symposium on. Code Generation and Optimization (CGO'04) ... Use the entropy and Winnow algorithm to learn the best algorithm ...
ST2B-tree: A Self-Tunable Spatio-Temporal B -tree Index for Moving Objects ... University of Alberta. Outline. Introduction. Related work. The ST2B-tree. The structure ...
Overcoming Limitations of Sampling for Aggregation ... Weighted sampling based on workload information ... Unbiased estimator. Actual sum. Standard error ...