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Recent advances in social and mobile technology have enabled an abundance of digital traces (in the form of mobile check-ins, association of mobile devices to specific WiFi hotspots, etc.) revealing the physical presence history of diverse…

Databases · Computer Science 2020-03-23 Yifan Li , Xiaohui Yu , Nick Koudas

Frequent pattern (itemset) mining in transactional databases is one of the most well-studied problems in data mining. One obstacle that limits the practical usage of frequent pattern mining is the extremely large number of patterns…

Databases · Computer Science 2007-05-23 Zengyou He

We propose a new objective for option discovery that emphasizes the computational advantage of using options in planning. In a sequential machine, the speed of planning is proportional to the number of elementary operations used to achieve…

Machine Learning · Computer Science 2022-10-03 Yi Wan , Richard S. Sutton

Clustering plays a crucial role in computer science, facilitating data analysis and problem-solving across numerous fields. By partitioning large datasets into meaningful groups, clustering reveals hidden structures and relationships within…

Databases · Computer Science 2026-02-19 Aryan Esmailpour , Stavros Sintos

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

Based on the analysis of the proportion of utility in the supporting transactions used in the field of data mining, high utility-occupancy pattern mining (HUOPM) has recently attracted widespread attention. Unlike high-utility pattern…

Databases · Computer Science 2021-11-25 Chien-Ming Chen , Lili Chen , Wensheng Gan

Document-level event extraction is a long-standing challenging information retrieval problem involving a sequence of sub-tasks: entity extraction, event type judgment, and event type-specific multi-event extraction. However, addressing the…

Computation and Language · Computer Science 2023-07-03 Qizhi Wan , Changxuan Wan , Keli Xiao , Hui Xiong , Dexi Liu , Xiping Liu

It is widely known that there is a lot of useful information hidden in big data, leading to a new saying that "data is money." Thus, it is prevalent for individuals to mine crucial information for utilization in many real-world…

Databases · Computer Science 2021-04-01 Chien-Ming Chen , Lili Chen , Wensheng Gan , Lina Qiu , Weiping Ding

High utility sequential pattern mining (HUSPM) aims to mine all patterns that yield a high utility (profit) in a sequence dataset. HUSPM is useful for several applications such as market basket analysis, marketing, and website clickstream…

Databases · Computer Science 2023-02-23 Tai Dinh , Philippe Fournier-Viger , Huynh Van Hong

As machine learning techniques become ubiquitous, the efficiency of neural network implementations is becoming correspondingly paramount. Frameworks, such as Halide and TVM, separate out the algorithmic representation of the network from…

Machine Learning · Computer Science 2020-12-01 Benoit Steiner , Chris Cummins , Horace He , Hugh Leather

We provide a prescription to train optimal machine-learning-based event selectors and categorizers that maximize the statistical significance of a potential signal excess in high energy physics (HEP) experiments, as quantified by any of six…

Data Analysis, Statistics and Probability · Physics 2019-11-28 Konstantin K. Matchev , Prasanth Shyamsundar

Deep learning has enabled various Internet of Things (IoT) applications. Still, designing models with high accuracy and computational efficiency remains a significant challenge, especially in real-time video processing applications. Such…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Hadjer Benmeziane , Halima Bouzidi , Hamza Ouarnoughi , Ozcan Ozturk , Smail Niar

High utility sequential pattern mining (HUSPM) is a significant and valuable activity in knowledge discovery and data analytics with many real-world applications. In some cases, HUSPM can not provide an excellent measure to predict what…

Artificial Intelligence · Computer Science 2022-09-28 Chunkai Zhang , Maohua Lyu , Wensheng Gan , Philip S. Yu

In the never-ending quest for tools that enable an ISP to smooth troubleshooting and improve awareness of network behavior, very much effort has been devoted in the collection of data by active and passive measurement at the data plane and…

Networking and Internet Architecture · Computer Science 2015-09-09 Marco Di Bartolomeo , Valentino Di Donato , Maurizio Pizzonia , Claudio Squarcella , Massimo Rimondini

Discovering valuable insights from data through meaningful associations is a crucial task. However, it becomes challenging when trying to identify representative patterns in quantitative databases, especially with large datasets, as…

Databases · Computer Science 2024-10-31 Lamine Diop , Marc Plantevit

Detecting repeated variable-length patterns, also called variable-length motifs, has received a great amount of attention in recent years. Current state-of-the-art algorithm utilizes fixed-length motif discovery algorithm as a subroutine to…

Data Structures and Algorithms · Computer Science 2018-02-15 Yifeng Gao , Jessica Lin

Tiering is an essential technique for building large-scale information retrieval systems. While the selection of documents for high priority tiers critically impacts the efficiency of tiering, past work focuses on optimizing it with respect…

Information Retrieval · Computer Science 2020-05-19 Hyokun Yun , Michael Froh , Roshan Makhijani , Brian Luc , Alex Smola , Trishul Chilimbi

Time Series Clustering is an important subroutine in many higher-level data mining analyses, including data editing for classifiers, summarization, and outlier detection. It is well known that for similarity search the superiority of…

Machine Learning · Computer Science 2016-12-05 Nurjahan Begum , Liudmila Ulanova , Hoang Anh Dau , Jun Wang , Eamonn Keogh

High-utility sequential pattern mining (HUSPM) has emerged as an important topic due to its wide application and considerable popularity. However, due to the combinatorial explosion of the search space when the HUSPM problem encounters a…

Databases · Computer Science 2023-01-02 Chunkai Zhang , Yuting Yang , Zilin Du , Wensheng Gan , Philip S. Yu

Advances made to the traditional clustering algorithms solves the various problems such as curse of dimensionality and sparsity of data for multiple attributes. The traditional H-K clustering algorithm can solve the randomness and apriority…

Databases · Computer Science 2015-01-13 Rashmi Paithankar , Bharat Tidke