Association Rule Hiding for Data Mining by Aris Gkoulalas-Divanis

By Aris Gkoulalas-Divanis

Privacy and safeguard hazards bobbing up from the applying of other facts mining options to massive institutional info repositories were exclusively investigated by means of a brand new study area, the so-called privateness protecting info mining. organization rule hiding is a brand new strategy on info mining, which stories the matter of hiding delicate organization ideas from in the info.

Association Rule Hiding for facts Mining addresses the optimization challenge of “hiding” delicate organization principles which because of its combinatorial nature admits a couple of heuristic strategies that may be proposed and provided during this ebook. detailed recommendations of elevated time complexity which were proposed lately also are awarded in addition to a few computationally effective (parallel) ways that alleviate time complexity difficulties, besides a dialogue concerning unsolved difficulties and destiny instructions. particular examples are supplied all through this ebook to assist the reader learn, assimilate and savor the real elements of this demanding challenge.

Association Rule Hiding for facts Mining is designed for researchers, professors and advanced-level scholars in computing device technology learning privateness maintaining facts mining, organization rule mining, and knowledge mining. This publication can also be compatible for practitioners operating during this industry.

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Extra resources for Association Rule Hiding for Data Mining

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Similarly to this approach, the Disaggregate approach aims at removing individual items from transactions, rather than removing the entire transaction. It achieves that by computing the union of all transactions supporting sensitive itemsets and then, for each transaction and supporting item, by calculating the number of sensitive and nonsensitive itemsets that will be affected if 32 6 Distortion Schemes this item is removed from the transaction. Finally, it selects to remove the item from the transaction that will affect the higher number of sensitive and the least number of nonsensitive itemsets.

In this chapter, we briefly discuss some state-of-the-art approaches for the hiding of sensitive knowledge that is depicted in any of the aforementioned formats. 1 Classification Rule Hiding Classification rule hiding has been studied to a substantially lesser extent than association rule hiding. Similarly to association rule hiding methodologies, classification rule hiding algorithms consider a set of classification rules as sensitive and aim to protect them. Research in the area of classification rule hiding has developed along two main directions: suppression-based techniques and reconstruction-based techniques.

We partitioned the current heuristic approaches into two main categories: distortion-based schemes, which operate by alternating certain items in selected transactions from 1’s to 0’s (and vice versa), and blocking-based schemes, which replace certain items in selected transactions with unknowns, in order to facilitate association rule hiding. Each category of approaches was further partitioned into support-based and confidence-based methodologies, depending on whether the algorithm uses the support or the confidence of the rule to drive the hiding process.

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