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Data Mining is the process of extracting useful patterns from the huge amount of database and many data mining techniques are used for mining these patterns. Recently, one of the remarkable facts in higher educational institute is the rapid…

Artificial Intelligence · Computer Science 2014-05-16 Priyanka Saini

Predictive models are often used for real-time decision making. However, typical machine learning techniques ignore feature evaluation cost, and focus solely on the accuracy of the machine learning models obtained utilizing all the features…

Machine Learning · Computer Science 2014-08-19 Leilani Battle , Edward Benson , Aditya Parameswaran , Eugene Wu

Research in data warehousing and OLAP has produced important technologies for the design, management and use of information systems for decision support. With the development of Internet, the availability of various types of data has…

Several multi-pass algorithms have been proposed for Association Rule Mining from static repositories. However, such algorithms are incapable of online processing of transaction streams. In this paper we introduce an efficient single-pass…

Databases · Computer Science 2010-04-28 M . V. Vijaya Saradhi , B. R. Sastry , P. Satish

Indexing is an effective way to support efficient query processing in large databases. Recently the concept of learned index, which replaces or complements traditional index structures with machine learning models, has been actively…

Databases · Computer Science 2022-08-01 Yao Tian , Tingyun Yan , Xi Zhao , Kai Huang , Xiaofang Zhou

The High Average Utility Itemset Mining (HAUIM) technique, a variation of High Utility Itemset Mining (HUIM), uses the average utility of the itemsets. Historically, most HAUIM algorithms were designed for static databases. However,…

Databases · Computer Science 2024-07-17 Jing Chen , Shengyi Yang , Weiping Ding , Peng Li , Aijun Liu , Hongjun Zhang , Tian Li

The Join operator, as one of the most expensive and commonly used operators in database systems, plays a substantial role in Database Management System (DBMS) performance. Among the many different Join algorithms studied over the last…

Databases · Computer Science 2021-12-07 Shiva Jahangiri , Michael J. Carey , Johann-Christoph Freytag

Data mining is a new concept & an exploration and analysis of large data sets, in order to discover meaningful patterns and rules. Many organizations are now using the data mining techniques to find out meaningful patterns from the…

Databases · Computer Science 2011-12-20 Tejaswini Hilage , R. V. Kulkarni

In database systems, joins are often expensive despite many years of research producing numerous join algorithms. Precomputed and materialized join views deliver the best query performance, whereas traditional indexes, used as pre-sorted…

Databases · Computer Science 2025-02-18 Wenhui Lyu , Goetz Graefe

Motivated by the application of energy storage management in electricity markets, this paper considers the problem of online linear programming with inventory management constraints. Specifically, a decision maker should satisfy some units…

Data Structures and Algorithms · Computer Science 2019-01-15 Lin Yang , Mohammad H. Hajiesmaili , Ramesh Sitaraman , Enrique Mallada , Wing S. Wong , Adam Wierman

Data mining is the practice to search large amount of data to discover data patterns. Data mining uses mathematical algorithms to group the data and evaluate the future events. Association rule is a research area in the field of knowledge…

Databases · Computer Science 2013-02-08 Jnanamurthy H. K.

The need for Knowledge and Data Discovery Management Systems (KDDMS) that support ad hoc data mining queries has been long recognized. A significant amount of research has gone into building tightly coupled systems that integrate…

Databases · Computer Science 2007-05-23 Raj P. Gopalan , Tariq Nuruddin , Yudho Giri Sucahyo

Dynamic feature selection, where we sequentially query features to make accurate predictions with a minimal budget, is a promising paradigm to reduce feature acquisition costs and provide transparency into a model's predictions. The problem…

Machine Learning · Computer Science 2024-09-10 Soham Gadgil , Ian Covert , Su-In Lee

The increasing availability of structured datasets, from Web tables and open-data portals to enterprise data, opens up opportunities~to enrich analytics and improve machine learning models through relational data augmentation. In this…

Databases · Computer Science 2025-03-06 Aécio Santos , Aline Bessa , Fernando Chirigati , Christopher Musco , Juliana Freire

Indexes are the best apposite choice for quickly retrieving the records. This is nothing but cutting down the number of Disk IO. Instead of scanning the complete table for the results, we can decrease the number of IO's or page fetches…

Databases · Computer Science 2019-03-21 Sourav Mukherjee

LSM-tree-based data stores are widely adopted in industries for their excellent performance. As data scales increase, disk-based join operations become indispensable yet costly for the database, making the selection of suitable join methods…

Databases · Computer Science 2026-03-03 Weiping Yu , Fan Wang , Xuwei Zhang , Siqiang Luo

As the fundamental phrase of collecting and analyzing data, data integration is used in many applications, such as data cleaning, bioinformatics and pattern recognition. In big data era, one of the major problems of data integration is to…

Databases · Computer Science 2018-08-07 Tianbao Lia , Hongzhi Wang , Jianzhong Li , Hong Gao

Association rule mining is an active data mining research area and most ARM algorithms cater to a centralized environment. Centralized data mining to discover useful patterns in distributed databases isn't always feasible because merging…

Databases · Computer Science 2010-04-13 J. Arokia Renjit , K. L. Shunmuganathan

As the number of applications that use machine learning algorithms increases, the need for labeled data useful for training such algorithms intensifies. Getting labels typically involves employing humans to do the annotation, which directly…

Machine Learning · Computer Science 2013-07-16 Alexandros Ntoulas , Omar Alonso , Vasilis Kandylas

In this paper, we propose a novel data structure called PUN-list, which maintains both the utility information about an itemset and utility upper bound for facilitating the processing of mining high utility itemsets. Based on PUN-lists, we…

Databases · Computer Science 2015-10-09 Zhi-Hong Deng , Shulei Ma , He Liu