Discovering spatial weighted frequent itemsets in spatiotemporal databases
Weighted Frequent Itemset (WFI) mining is an important model in data mining. It aims to
discover all itemsets whose weighted sum in a transactional database is no less than the
user-specified threshold value. Most previous works focused on finding WFIs in a
transactional database and did not recognize the spatiotemporal characteristics of an item
within the data. This paper proposes a more flexible model of Spatial Weighted Frequent
Itemset (SWFI) that may exist in a spatiotemporal database. The recommended patterns may …
discover all itemsets whose weighted sum in a transactional database is no less than the
user-specified threshold value. Most previous works focused on finding WFIs in a
transactional database and did not recognize the spatiotemporal characteristics of an item
within the data. This paper proposes a more flexible model of Spatial Weighted Frequent
Itemset (SWFI) that may exist in a spatiotemporal database. The recommended patterns may …
[PDF][PDF] Discovering spatial weighted frequent itemsets in spatiotemporal databases
Weighted Frequent Itemset (WFI) mining is an important model in data mining. It aims to
discover all itemsets whose weighted sum in a transactional database is no less than the
user-specified threshold value. Most previous works focused on finding WFIs in a
transactional database and did not recognize the spatiotemporal characteristics of an item
within the data. This paper proposes a more flexible model of Spatial Weighted Frequent
Itemset (SWFI) that may exist in a spatiotemporal database. The recommended patterns may …
discover all itemsets whose weighted sum in a transactional database is no less than the
user-specified threshold value. Most previous works focused on finding WFIs in a
transactional database and did not recognize the spatiotemporal characteristics of an item
within the data. This paper proposes a more flexible model of Spatial Weighted Frequent
Itemset (SWFI) that may exist in a spatiotemporal database. The recommended patterns may …
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