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The development of novel platforms and techniques for emerging "Big Data" applications requires the availability of real-life datasets for data-driven experiments, which are however out of reach for academic research in most cases as they…

Databases · Computer Science 2013-10-16 Domenico Sacca' , Edoardo Serra , Pietro Dicosta , Antonio Piccolo

Mining association rules is a task of data mining, which extracts knowledge in the form of significant implication relation of useful items (objects) from a database. Mining multilevel association rules uses concept hierarchies, also called…

Databases · Computer Science 2010-12-30 Mohamed Salah Gouider , Amine Farhat

The problem of discovering frequent itemsets including rare ones has received a great deal of attention. The mining process needs to be flexible enough to extract frequent and rare regularities at once. On the other hand, it has recently…

Artificial Intelligence · Computer Science 2021-09-17 Mohamed-Bachir Belaid , Nadjib Lazaar

Real world datasets are sparse, dirty and contain hundreds of items. In such situations, discovering interesting rules (results) using traditional frequent itemset mining approach by specifying a user defined input support threshold is not…

Databases · Computer Science 2009-04-22 Shariq Bashir , Zahoor Jan , Abdul Rauf Baig

Sequence data, e.g., complex event sequence, is more commonly seen than other types of data (e.g., transaction data) in real-world applications. For the mining task from sequence data, several problems have been formulated, such as…

Databases · Computer Science 2019-12-30 Wensheng Gan , Jerry Chun-Wei Lin , Han-Chieh Chao , Philip S. Yu

In this paper, we propose an algorithm of searching for both positive and negative itemsets of interest which should be given at the first stage for positive and negative association rules mining. Traditional association rule mining…

Databases · Computer Science 2018-06-21 Hyeok Kong , Dokjun An , Douk Han

Modern Internet of Things (IoT) applications generate massive amounts of data, much of it in the form of objects/items of readings, events, and log entries. Specifically, most of the objects in these IoT data contain rich embedded…

Databases · Computer Science 2021-04-01 Wensheng Gan , Jerry Chun-Wei Lin , Han-Chieh Chao , Athanasios V. Vasilakos , Philip S. Yu

Advances in data collection and data storage technologies have given way to the establishment of transactional databases among companies and organizations, as they allow enormous amounts of data to be stored efficiently. Useful knowledge…

Cryptography and Security · Computer Science 2018-03-01 Vasileios Kagklis , Elias C. Stavropoulos , Vassilios S. Verykios

In any caching system, the admission and eviction policies determine which contents are added and removed from a cache when a miss occurs. Usually, these policies are devised so as to mitigate staleness and increase the hit probability.…

Networking and Internet Architecture · Computer Science 2016-11-15 Mostafa Dehghan , Laurent Massoulie , Don Towsley , Daniel Menasche , Y. C. Tay

Discovering significant itemsets is one of the fundamental problems in data mining. It has recently been shown that constraint programming is a flexible way to tackle data mining tasks. With a constraint programming approach, we can easily…

Artificial Intelligence · Computer Science 2018-02-09 Christian Bessiere , Nadjib Lazaar , Yahia Lebbah , Mehdi Maamar

Frequent itemset mining in uncertain transaction databases semantically and computationally differs from traditional techniques applied on standard (certain) transaction databases. Uncertain transaction databases consist of sets of…

Databases · Computer Science 2010-08-16 Thomas Bernecker , Hans-Peter Kriegel , Matthias Renz , Florian Verhein , Andreas Züfle

With the wide development of databases in general and data warehouses in particular, it is important to reduce the tasks that a database administrator must perform manually. The idea of using data mining techniques to extract useful…

Databases · Computer Science 2007-05-23 Kamel Aouiche , Jérôme Darmont

This paper studies the problem of mining for data values with high information gain in relational tables. High information gain can help data analysts and secondary data mining algorithms gain insights into strong statistical dependencies…

Information Retrieval · Computer Science 2022-06-14 Ken Pu , Limin Ma

In recent years, due to the wide applications of uncertain data, mining frequent itemsets over uncertain databases has attracted much attention. In uncertain databases, the support of an itemset is a random variable instead of a fixed…

Databases · Computer Science 2012-08-02 Yongxin Tong , Lei Chen , Yurong Cheng , Philip S. Yu

In the current competitive world, industrial companies seek to manufacture products of higher quality which can be achieved by increasing reliability, maintainability and thus the availability of products. On the other hand, improvement in…

Machine Learning · Computer Science 2012-01-31 Golriz Amooee , Behrouz Minaei-Bidgoli , Malihe Bagheri-Dehnavi

The problem of frequent pattern mining from non-temporal databases is studied extensively by various researchers working in areas of data mining, temporal databases and information retrieval. However, Conventional frequent pattern…

Databases · Computer Science 2016-04-19 Vangipuram Radhakrishna , P. V. Kumar , V. Janaki

Temporal Pattern Mining (TPM) is the problem of mining predictive complex temporal patterns from multivariate time series in a supervised setting. We develop a new method called the Fast Temporal Pattern Mining with Extended Vertical Lists.…

Machine Learning · Computer Science 2018-04-27 Anton Kocheturov , Petar Momcilovic , Azra Bihorac , Panos M. Pardalos

Because the data being mined in the temporal database will evolve with time, many researchers have focused on the incremental mining of frequent sequences in temporal database. In this paper, we propose an algorithm called IUS, using the…

Databases · Computer Science 2007-05-23 Qingguo Zheng , Ke Xu , Shilong Ma , Weifeng Lv

Mining association rules is a popular and well researched method for discovering interesting relations between variables in large databases. A practical problem is that at medium to low support values often a large number of frequent…

Databases · Computer Science 2008-12-18 Michael Hahsler , Christian Buchta , Kurt Hornik

Episode discovery from an event is a popular framework for data mining tasks and has many real-world applications. An episode is a partially ordered set of objects (e.g., item, node), and each object is associated with an event type. This…

Databases · Computer Science 2021-06-29 Shicheng Wan , Jiahui Chen , Wensheng Gan , Guoting Chen , Vikram Goyal