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This forum is about data mining, data science and big data: algorithms, source code, datasets, implementations, optimizations, etc. You are welcome to post call for papers, data mining job ads, link to source code of data mining algorithms or anything else related to data mining. The forum is hosted by P. Fournier-Viger. No registration is required to use this forum!.  

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5 months ago
tianikowa
"If it is easy to combine, then it is not interesting..." That's exactly the same. You are the best professor. I am not fluent in English, And I can not really convey my sense! Thank you very much for your complete description. Now I am studying several other papers. I hope to give you some good news from this topic
Forum: The Data Mining / Big Data Forum
5 months ago
tianikowa
Hello, Prof. Philippe Fournier-Viger. I'm a master's degree student and for final project , I'm researching on "Top-k high utility itemsets mining". During this period of study, I had studies in the field of data mining and implemented in C#, such as Two-phase, Hui-miner, La prune, Efim, TKEH, kHMC ,... Now I'm looking for a new idea for top-k mining. I'm having trouble at this st
Forum: The Data Mining / Big Data Forum
8 months ago
tianikowa
Dear Professor , I would like to Implementation TKEH Algorithm. I have encountered some problems such as COV strategy and EUCS. Is the implementation of this article available to you? Can you provide implementation of the kHMC algorithm? Can you give me some useful tips? Your assist will lighten this way for me to find the best solution for my questions, which will always push me to rem
Forum: The Data Mining / Big Data Forum
1 year ago
tianikowa
Thank you for your attention, Yes, I'll definitely be looking for spmf. But just one question of "get the initial population P with the proposed problem-specific initialize strategy" : What is the concept of the following sentence? "the child individuals generated from parent individuals by using cross-mutation operator should be valid and diverse as many as possible so that
Forum: The Data Mining / Big Data Forum
1 year ago
tianikowa
Yes, I tried, but I did not get an answer during this time. Is it possible to provide just a numerical example of the MOEA/FHUI algorithm? Please best regards
Forum: The Data Mining / Big Data Forum
1 year ago
tianikowa
Hi, Is there a documentation and java source code for this article? Title: A Multi-Objective Evolutionary Approach for Mining Frequent and High Utility Itemsets Author: Lei Zhang Guanglong Fu Fan Cheng Jianfeng Qiu Yansen Su DOI: http://dx.doi.org/doi:10.1016/j.asoc.2017.09.033 thanks, best regards
Forum: The Data Mining / Big Data Forum
1 year ago
tianikowa
thanks for your response , best regards
Forum: The Data Mining / Big Data Forum
1 year ago
tianikowa
So which items can I combine together? for dfgb d,f,g | f,g,b (two different , d and b) d,f,g | d,g,b (two different , f and b) d,f,g | d,f,b (two different , b and g) d,f,b | f,g,b (two different , d and g)
Forum: The Data Mining / Big Data Forum
1 year ago
tianikowa
Hi. I was coding the hui-miner ( Mining High Utility Itemsets without Candidate Generation ) in C#, which I encountered a problem. There is no problem in 1-itemset and 2-itemset items. but in k-itemset, for example : To create "dfgb" : u({dfgb}, Each transaction) = u({dfg}, Each transaction) + u({fgb}, Each transaction) - u({fg}, Each transaction) It has no problems programmin
Forum: The Data Mining / Big Data Forum
1 year ago
tianikowa
thanks for your response
Forum: The Data Mining / Big Data Forum
1 year ago
tianikowa
I intend to implement the algorithm two phase (spmf) in C#. In the article, there is no semicode. You can tell it' semicode?
Forum: The Data Mining / Big Data Forum
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