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Time Series Motif Discovery (TSMD) refers to the task of identifying patterns that occur multiple times (possibly with minor variations) in a time series. All existing methods for TSMD have one or more of the following limitations: they…

Machine Learning · Computer Science 2023-11-30 Daan Van Wesenbeeck , Aras Yurtman , Wannes Meert , Hendrik Blockeel

Time Series Motif Discovery (TSMD) identifies repeating patterns in time series data, but its unsupervised nature might result in motifs that are not interesting to the user. To address this, we propose a framework that allows the user to…

Machine Learning · Computer Science 2025-02-18 Aras Yurtman , Daan Van Wesenbeeck , Wannes Meert , Hendrik Blockeel

Time Series Motif Discovery (TSMD), which aims at finding recurring patterns in time series, is an important task in numerous application domains, and many methods for this task exist. These methods are usually evaluated qualitatively. A…

Machine Learning · Computer Science 2024-12-13 Daan Van Wesenbeeck , Aras Yurtman , Wannes Meert , Hendrik Blockeel

Data series motif discovery represents one of the most useful primitives for data series mining, with applications to many domains, such as robotics, entomology, seismology, medicine, and climatology, and others. The state-of-the-art motif…

Databases · Computer Science 2020-09-01 Michele Linardi , Yan Zhu , Themis Palpanas , Eamonn Keogh

Motif discovery is a fundamental step in data mining tasks for time-series data such as clustering, classification and anomaly detection. Even though many papers have addressed the problem of how to find motifs in time-series by proposing…

Machine Learning · Computer Science 2020-04-20 Maria Inês Silva , Roberto Henriques

Topic Modeling is an approach used for automatic comprehension and classification of data in a variety of settings, and perhaps the canonical application is in uncovering thematic structure in a corpus of documents. A number of foundational…

Machine Learning · Computer Science 2012-04-13 Sanjeev Arora , Rong Ge , Ankur Moitra

A time series motif intuitively is a short time series that repeats itself approximately the same within a larger time series. Such motifs often represent concealed structures, such as heart beats in an ECG recording, the riff in a pop…

Machine Learning · Computer Science 2024-04-18 Patrick Schäfer , Ulf Leser

In the last fifteen years, data series motif and discord discovery have emerged as two useful and well-used primitives for data series mining, with applications to many domains, including robotics, entomology, seismology, medicine, and…

Databases · Computer Science 2020-09-01 Michele Linardi , Yan Zhu , Themis Palpanas , Eamonn Keogh

Visual Word Sense Disambiguation (VWSD) is a novel challenging task with the goal of retrieving an image among a set of candidates, which better represents the meaning of an ambiguous word within a given context. In this paper, we make a…

Computation and Language · Computer Science 2024-04-23 Anastasia Kritharoula , Maria Lymperaiou , Giorgos Stamou

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

Motifs are the fundamental components of complex systems. The topological structure of networks representing complex systems and the frequency and distribution of motifs in these networks are intertwined. The complexities associated with…

Social and Information Networks · Computer Science 2020-05-21 Ali Jazayeri , Christopher C. Yang

Detecting repeating patterns of different lengths in time series, also called variable-length motifs, has received a great amount of attention by researchers and practitioners. Despite the significant progress that has been made in recent…

Machine Learning · Computer Science 2019-11-22 Yifeng Gao , Jessica Lin

Understanding the dynamic transition of motifs in temporal graphs is essential for revealing how graph structures evolve over time, identifying critical patterns, and predicting future behaviors, yet existing methods often focus on…

Databases · Computer Science 2025-08-19 Zhiyuan Zheng , Jianpeng Qi , Jiantao Li , Guoqing Chao , Junyu Dong , Yanwei Yu

The search for patterns or motifs in data represents an area of key interest to many researchers. In this paper we present the Motif Tracking Algorithm, a novel immune inspired pattern identification tool that is able to identify variable…

Artificial Intelligence · Computer Science 2010-07-05 William Wilson , Phil Birkin , Uwe Aickelin

Language models generate reasoning sequentially, preventing them from decoupling irrelevant exploration paths during search. We introduce Tree-Structured Language Modeling (TSLM), which uses special tokens to encode branching structure,…

Computation and Language · Computer Science 2026-02-02 Doyoung Kim , Jaehyeok Doo , Minjoon Seo

Many time series, particularly health data streams, can be best understood as a sequence of phenomenon or events, which we call \textit{motifs}. A time series motif is a short trace segment which may implicitly capture an underlying…

Machine Learning · Computer Science 2025-05-26 Josephine Lamp , Mark Derdzinski , Christopher Hannemann , Sam Hatfield , Joost van der Linden

In cinema, visual motifs are recurrent iconographic compositions that carry artistic or aesthetic significance. Their use throughout the history of visual arts and media is interesting to researchers and filmmakers alike. Our goal in this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Adam Phillips , Daniel Grandes Rodriguez , Miriam Sánchez-Manzano , Alan Salvadó , Manuel Garin , Gloria Haro , Coloma Ballester

Recent work on unsupervised speech segmentation has used self-supervised models with phone and word segmentation modules that are trained jointly. This paper instead revisits an older approach to word segmentation: bottom-up phone-like unit…

Computation and Language · Computer Science 2023-01-10 Herman Kamper

The search for patterns or motifs in data represents an area of key interest to many researchers. In this paper we present the Motif Tracking Algorithm, a novel immune inspired pattern identification tool that is able to identify variable…

Neural and Evolutionary Computing · Computer Science 2013-06-03 William Wilson , Phil Birkin , Uwe Aickelin

Nonnegative matrix factorization (NMF) based topic modeling methods do not rely on model- or data-assumptions much. However, they are usually formulated as difficult optimization problems, which may suffer from bad local minima and high…

Information Retrieval · Computer Science 2021-02-26 JianYu Wang , Xiao-Lei Zhang
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