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Episode mining is a fundamental problem in analyzing a sequence of numerous events. For discovering strong relationships between events in a complex event sequence, episode rule mining is proposed. However, both the episode and episode…

Databases · Computer Science 2026-02-20 Hong Lin , Wensheng Gan , Junyu Ren , Philip S. Yu

Pattern mining is well established in data mining research, especially for mining binary datasets. Surprisingly, there is much less work about numerical pattern mining and this research area remains under-explored. In this paper, we propose…

Databases · Computer Science 2020-12-01 Tatiana Makhalova , Sergei O. Kuznetsov , Amedeo Napoli

Frequent Subgraph Mining (FSM) is the key task in many graph mining and machine learning applications. Numerous systems have been proposed for FSM in the past decade. Although these systems show good performance for small patterns (with no…

Databases · Computer Science 2021-02-09 Peng Jiang , Rujia Wang , Bo Wu

With the rapid growth of internet technologies, Web has become a huge repository of information and keeps growing exponentially under no editorial control. However the human capability to read, access and understand Web content remains…

Databases · Computer Science 2011-11-11 C. Ramesh , K. V. Chalapati Rao , A. Govardhan

Sequential pattern mining (SPM) with gap constraints (or repetitive SPM or tandem repeat discovery in bioinformatics) can find frequent repetitive subsequences satisfying gap constraints, which are called positive sequential patterns with…

Databases · Computer Science 2025-02-11 Yan Li , Zhulin Wang , Jing Liu , Lei Guo , Philippe Fournier-Viger , Youxi Wu , Xindong Wu

This paper presents and analysis the common existing sequential pattern mining algorithms. It presents a classifying study of sequential pattern-mining algorithms into five extensive classes. First, on the basis of Apriori-based algorithm,…

Databases · Computer Science 2013-11-05 Thabet Slimani , Amor Lazzez

We consider the problem of discovering sequential patterns from event-based spatio-temporal data. The dataset is described by a set of event types and their instances. Based on the given dataset, the task is to discover all significant…

Databases · Computer Science 2017-07-04 Piotr S. Maciąg

In this paper we study predictive pattern mining problems where the goal is to construct a predictive model based on a subset of predictive patterns in the database. Our main contribution is to introduce a novel method called safe pattern…

Machine Learning · Statistics 2016-02-16 Kazuya Nakagawa , Shinya Suzumura , Masayuki Karasuyama , Koji Tsuda , Ichiro Takeuchi

With the widespread application of efficient pattern mining algorithms, sequential patterns that allow gap constraints have become a valuable tool to discover knowledge from biological data such as DNA and protein sequences. Among all kinds…

Databases · Computer Science 2023-06-13 Zefeng Chen , Wensheng Gan , Gengsen Huang , Zhenlian Qi , Yan Li , Philip S. Yu

Discovering relevant patterns for a particular user remains a challenging tasks in data mining. Several approaches have been proposed to learn user-specific pattern ranking functions. These approaches generalize well, but at the expense of…

Artificial Intelligence · Computer Science 2022-03-08 Nassim Belmecheri , Noureddine Aribi , Nadjib Lazaar , Yahia Lebbah , Samir Loudni

Text-to-SQL generation bridges the gap between natural language and databases, enabling users to query data without requiring SQL expertise. While large language models (LLMs) have significantly advanced the field, challenges remain in…

Machine Learning · Computer Science 2025-12-18 Ganesh Parab , Zishan Ahmad , Dagnachew Birru

Sequence parallelism (SP), which divides the sequence dimension of input tensors across multiple computational devices, is becoming key to unlocking the long-context capabilities of generative AI models. This paper investigates the…

Machine Learning · Computer Science 2024-07-03 Jiarui Fang , Shangchun Zhao

The explosive growth of complex datasets across various modalities necessitates advanced analytical tools that not only group data effectively but also provide human-understandable insights into the discovered structures. We introduce…

Machine Learning · Computer Science 2025-09-04 Gabor Petnehazi , Bernadett Aradi

The explosive growth of IoT-enabled sensors is producing enormous amounts of time series data across many domains, offering valuable opportunities to extract insights through temporal pattern mining. Among these patterns, an important class…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-18 Van Ho-Long , Nguyen Ho , Anh-Vu Dinh-Duc , Ha Manh Tran , Ky Trung Nguyen , Tran Dung Pham , Quoc Viet Hung Nguyen

Clustering is an important data mining technique that groups similar data records, recently categorical transaction clustering is received more attention. In this research, we study the problem of categorical data clustering for…

Databases · Computer Science 2017-05-03 Mahmoud Mahdi , Samir Abdelrahman , Reem Bahgat , Ismail Ismail

Sequential recommendation aims to leverage users' historical behaviors to predict their next interaction. Existing works have not yet addressed two main challenges in sequential recommendation. First, user behaviors in their rich historical…

Information Retrieval · Computer Science 2023-07-27 Jianxin Chang , Chen Gao , Yu Zheng , Yiqun Hui , Yanan Niu , Yang Song , Depeng Jin , Yong Li

This paper investigates the optimal signal detection problem with a particular interest in large-scale multiple-input multiple-output (MIMO) systems. The problem is NP-hard and can be solved optimally by searching the shortest path on the…

Machine Learning · Computer Science 2022-03-22 Le He , Ke He , Lisheng Fan , Xianfu Lei , Arumugam Nallanathan , George K. Karagiannidis

The colossal parameters and computational overhead of Large Language Models (LLMs) challenge their real-world applications. Network pruning, which targets unstructured or structured sparsity by removing redundant parameters, has recently…

Computation and Language · Computer Science 2024-12-11 Yuxin Wang , Minghua Ma , Zekun Wang , Jingchang Chen , Huiming Fan , Liping Shan , Qing Yang , Dongliang Xu , Ming Liu , Bing Qin

Clustering is one of the major tasks in data mining. In the last few years, Clustering of spatial data has received a lot of research attention. Spatial databases are components of many advanced information systems like geographic…

Databases · Computer Science 2012-06-04 Mohamed A. El-Zawawy

Sequential recommender systems aim to predict users' next interested item given their historical interactions. However, a long-standing issue is how to distinguish between users' long/short-term interests, which may be heterogeneous and…

Information Retrieval · Computer Science 2023-03-14 Muyang Li , Zijian Zhang , Xiangyu Zhao , Wanyu Wang , Minghao Zhao , Runze Wu , Ruocheng Guo