Finding low-utility data structures
… benchmark creates many lists and adds thousands of data structures to them, for the sole
pur… In this paper, we focus on these low-utility data structures. A data structure has low utility if …
pur… In this paper, we focus on these low-utility data structures. A data structure has low utility if …
UP-Hist tree: An efficient data structure for mining high utility patterns from transaction databases
… {F}, {G} and {H} are the low utility items as their TWU is below … a novel data structure, UPHist
tree for finding high utility … hence helped in pruning the search space better. Experimental …
tree for finding high utility … hence helped in pruning the search space better. Experimental …
Efficient high-utility itemset mining based on a novel data structure
… then X with all its supersets can be prnned since they are low-utility itemsets [2]. Utility-list and
… not changed, but the search method based on the novel data structure has been changed. …
… not changed, but the search method based on the novel data structure has been changed. …
[PDF][PDF] Discovering low-cost high utility patterns
P Fournier-Viger, J Li, JCW Lin… - Data Science and …, 2020 - philippe-fournier-viger.com
… the cost of patterns, it can find numerous patterns that have a … the extraction of a graph
structure representing a process, which … -off, they often also have a low utility. Thus, on overall we …
structure representing a process, which … -off, they often also have a low utility. Thus, on overall we …
Efficient tree structures for high utility pattern mining in incremental databases
… , we can use the previous data structures and mining results, … the second database scan to
find high utility itemsets from high … Thus, we can say that “ce” is a low-utility itemset for ¼ 30% …
find high utility itemsets from high … Thus, we can say that “ce” is a low-utility itemset for ¼ 30% …
UP-Hist Tree: efficient data structure for high utility pattern mining from transaction databases
… {F}, {G} and {H} are the low utility … data structure, UP-Hist tree for finding high utility itemsets.
The inclusion of histogram reduced the estimated utility and helped in pruning the search …
The inclusion of histogram reduced the estimated utility and helped in pruning the search …
Fast and memory efficient mining of high utility itemsets in data streams
HF Li, HY Huang, YC Chen, YJ Liu… - … conference on data …, 2008 - ieeexplore.ieee.org
… tree-based summary data structure are developed to improve … It is a low utility itemset but
its superset 2-itemset (bd) is a … From this figure, we can find that the relation of execution time …
its superset 2-itemset (bd) is a … From this figure, we can find that the relation of execution time …
Finding reusable data structures
G Xu - ACM SIGPLAN Notices, 2012 - dl.acm.org
… , shapes, and/or data values rather than reconstructing them. This … programmers find allocation
sites that create such data structures … Finding low-utility data structures. In ACM SIGPLAN …
sites that create such data structures … Finding low-utility data structures. In ACM SIGPLAN …
Mining interesting sequences with low average cost and high average utility
… search space. Taking these theoretical results as a foundation, a new CUL (Cost-Utility List)
data structure … by identifying sequences that have a low utility early during the pattern mining …
data structure … by identifying sequences that have a low utility early during the pattern mining …
MHUI-max: An efficient algorithm for discovering high-utility itemsets from data streams
HF Li - Journal of Information Science, 2011 - journals.sagepub.com
… to find a set of high-utility patterns from large databases. However, a utility itemset may consist
of some low-utility items. … data structure in window initialization phase, updating time of the …
of some low-utility items. … data structure in window initialization phase, updating time of the …
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