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Jang Il's Projects

doma icon doma

DAO oriented database mapping framework for Java 8+

examples icon examples

Home for Elasticsearch examples available to everyone. It's a great way to get started.

faiss icon faiss

A library for efficient similarity search and clustering of dense vectors.

fih_hiding_algorithm icon fih_hiding_algorithm

A problem that has been the focus of much recent research in privacy preserving data-mining is the frequent itemset hiding (FIH) problem. Identifying itemsets that appear together frequently in customer transactions is a common task in association rule mining. Organizations that share data with business partners may consider some of the frequent itemsets sensitive and aim to hide such sensitive itemsets by removing items from certain transactions. Since such modifications adversely affect the utility of the database for data mining applications, the goal is to remove as few items as possible. Since the frequent itemset hiding problem is NP-hard and practical instances of this problem are too large to be solved optimally, there is a need for heuristic methods that provide good solutions. This dissertation developed a new method called Min_Items_Removed, using the Frequent Pattern Tree (FP-Tree) that outperforms extant methods for the FIH problem. The FP-Tree enables the compression of large databases into significantly smaller data structures. As a result of this compression, a search may be performed with increased speed and efficiency. To evaluate the effectiveness and performance of the Min_Items_Removed algorithm, eight experiments were conducted. The results showed that the Min_Items_Removed algorithm yields better quality solutions than extant methods in terms of minimizing the number of removed items. In addition, the results showed that the newly introduced metric (normalized number of leaves) is a very good indicator of the problem size or difficulty of the problem instance that is independent of the number of sensitive itemsets.

file-upload icon file-upload

This project illustrates how to upload files and display them

gateleen icon gateleen

Gateleen is a RESTful middleware toolkit for building API gateways

gpt-neox icon gpt-neox

An implementation of model parallel autoregressive transformers on GPUs, based on the DeepSpeed library.

guava icon guava

Google core libraries for Java

hnswlib icon hnswlib

Header-only C++/python library for fast approximate nearest neighbors

hystrix icon hystrix

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.

i7j-pdfsweep icon i7j-pdfsweep

Remove content from your digital documents irretrievably instead of just covering it up. Redact text, images, parts of images or drawings for complete confidentiality. iText pdfSweep complies with GDPR for data redaction.

incubator-mxnet icon incubator-mxnet

Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more

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