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PARM--an efficient algorithm to mine association rules from spatial data
Qin Ding1, Qiang Ding, William Perrizo
1Department of Computer Science, East Carolina University, Greenville, NC 27858-4353, USA. dingq@ecu.edu
Summary
We developed an efficient association rule mining algorithm (PARM) using Peano Count Trees (P-trees) for large spatial datasets. PARM significantly outperforms existing methods like FP-growth and Apriori for remote sensed imagery data.
Area of Science:
- Data Mining
- Geospatial Analysis
- Remote Sensing
Background:
- Association rule mining is valuable for pattern discovery.
- Spatial data, especially remote sensed imagery (RSI), presents unique challenges due to large sizes.
- Existing algorithms struggle with the scale of spatial datasets.
Purpose of the Study:
- To propose an efficient algorithm for association rule mining on large spatial datasets.
- To leverage the Peano Count Tree (P-tree) structure for data compression and efficient mining.
- To improve the speed and effectiveness of extracting rules from RSI data.
Main Methods:
- Developed the P-tree based Association Rule Mining (PARM) algorithm.
- Utilized P-trees for lossless compression and fast support calculation.
- Incorporated pruning techniques to enhance mining efficiency.
Main Results:
- PARM demonstrated superior performance compared to FP-growth and Apriori algorithms.
- The P-tree structure enabled efficient handling of large RSI datasets.
- Fast support calculation and pruning significantly improved the mining process.
Conclusions:
- The PARM algorithm offers an efficient solution for association rule mining in large spatial datasets.
- P-trees are effective for compressing and mining RSI data.
- PARM is a promising approach for applications in precision agriculture and resource discovery.
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