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Active search is the process of identifying high-value data points in a large and often high-dimensional parameter space that can be expensive to evaluate. Traditional active search techniques like Bayesian optimization trade off…

Machine Learning · Computer Science 2020-07-21 Vivek Myers , Peyton Greenside

Hosting database services on cloud systems has become a common practice. This has led to the increasing volume of database workloads, which provides the opportunity for pattern analysis. Discovering workload patterns from a business logic…

Databases · Computer Science 2023-07-07 Jiaqi Wang , Tianyi Li , Anni Wang , Xiaoze Liu , Lu Chen , Jie Chen , Jianye Liu , Junyang Wu , Feifei Li , Yunjun Gao

As with the development of the IT technologies, the amount of accumulated data is also increasing. Thus the role of data mining comes into picture. Association rule mining becomes one of the significant responsibilities of descriptive…

Databases · Computer Science 2014-02-11 Prof. Paresh Tanna , Dr. Yogesh Ghodasara

In the era of big data and the Internet of Things (IoT), data owners need to share a large amount of data with the intended receivers in an insecure environment, posing a trade-off issue between user privacy and data utility. The privacy…

Information Theory · Computer Science 2021-12-20 Qihong Wu , Jinchuan Tang , Shuping Dang , Gaojie Chen

Under the assumption of (positive) homogeneity (PH in the sequel) of the corresponding utility functions, we construct polynomial time algorithms for the weak separability, the collective consumption behavior and some related problems.…

Data Structures and Algorithms · Computer Science 2018-01-04 Alexander Shananin , Sergey Tarasov

Apriori is one of the key algorithms to generate frequent itemsets. Analyzing frequent itemset is a crucial step in analysing structured data and in finding association relationship between items. This stands as an elementary foundation to…

Distributed, Parallel, and Cluster Computing · Computer Science 2012-12-20 Anjan K. Koundinya , Srinath N. K. , K. A. K. Sharma , Kiran Kumar , Madhu M. N. , Kiran U. Shanbag

With the growing scale of big data, probabilistic structures receive increasing popularity for efficient approximate storage and query processing. For example, Bloom filters (BF) can achieve satisfactory performance for approximate…

Data Structures and Algorithms · Computer Science 2019-12-17 Yue Fu , Rong Du , Haibo Hu , Man Ho Au , Dagang Li

Certainly, nowadays knowledge discovery or extracting knowledge from large amount of data is a desirable task in competitive businesses. Data mining is a main step in knowledge discovery process. Meanwhile frequent patterns play central…

Databases · Computer Science 2010-01-14 Mohammad Nadimi Shahraki , Norwati Mustapha , Md Nasir B Sulaiman , Ali B Mamat

Early software effort estimation is a hallmark of successful software project management. Building a reliable effort estimation model usually requires historical data. Unfortunately, since the information available at early stages of…

Software Engineering · Computer Science 2017-03-20 Mohammad Azzeh , Ali Bou Nassif

Societal biases that are contained in retrieved documents have received increased interest. Such biases, which are often prevalent in the training data and learned by the model, can cause societal harms, by misrepresenting certain groups,…

Information Retrieval · Computer Science 2023-09-19 Maria Heuss , Daniel Cohen , Masoud Mansoury , Maarten de Rijke , Carsten Eickhoff

This paper investigates the privacy funnel, a privacy-utility tradeoff problem in which mutual information quantifies both privacy and utility. The objective is to maximize utility while adhering to a specified privacy budget. However, the…

Information Theory · Computer Science 2024-08-20 Mohammad Amin Zarrabian , Parastoo Sadeghi

Sequential pattern mining (SPM) has excellent prospects and application spaces and has been widely used in different fields. The non-overlapping SPM, as one of the data mining techniques, has been used to discover patterns that have…

Databases · Computer Science 2023-04-25 Zefeng Chen , Wensheng Gan , Gengsen Huang , Yan Li , Zhenlian Qi

Background: The huge quantity of data produced in Biomedical research needs sophisticated algorithmic methodologies for its storage, analysis, and processing. High Performance Computing (HPC) appears as a magic bullet in this challenge.…

Quantitative Methods · Quantitative Biology 2016-10-19 Gianni D'Angelo , Salvatore Rampone

Real-time computation of data streams over affordable virtualized infrastructure resources is an important form of data in motion processing architecture. However, processing such data streams while ensuring strict guarantees on quality of…

This work focuses on Exchangeable Occupancy Models (EOM) and their relations with the Uniform Order Statistics Property (UOSP) for point processes in discrete time. As our main purpose, we show how definitions and results presented in…

Probability · Mathematics 2013-01-08 Francesca Collet , Fabrizio Leisen , Fabio Spizzichino , Florentina Suter

Deep neural networks have shown great success in prediction quality while reliable and robust uncertainty estimation remains a challenge. Predictive uncertainty supplements model predictions and enables improved functionality of downstream…

Machine Learning · Computer Science 2021-12-02 Johanna Rock , Tiago Azevedo , René de Jong , Daniel Ruiz-Muñoz , Partha Maji

Scientist learn early on how to cite scientific sources to support their claims. Sometimes, however, scientists have challenges determining where a citation should be situated -- or, even worse, fail to cite a source altogether.…

Computation and Language · Computer Science 2024-05-21 Tong Zeng , Daniel E. Acuna

Significant efforts have been expended in the research and development of a database management system (DBMS) that has a wide range of applications for managing an enormous collection of multisource, heterogeneous, complex, or growing data.…

Databases · Computer Science 2021-04-01 Chunkai Zhang , Zilin Du , Quanjian Dai , Wensheng Gan , Jian Weng , Philip S. Yu

Analyzing sequence data usually leads to the discovery of interesting patterns and then anomaly detection. In recent years, numerous frameworks and methods have been proposed to discover interesting patterns in sequence data as well as…

Databases · Computer Science 2021-12-01 Wensheng Gan , Lili Chen , Shicheng Wan , Jiahui Chen , Chien-Ming Chen

Most active learning research has focused on methods which perform well when many labels are available, but can be dramatically worse than random selection when label budgets are small. Other methods have focused on the low-budget regime,…

Machine Learning · Computer Science 2025-02-28 Wonho Bae , Gabriel L. Oliveira , Danica J. Sutherland
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