Search Results for author: Miloš Radovanović

Found 6 papers, 2 papers with code

Dimensionality-Aware Outlier Detection: Theoretical and Experimental Analysis

1 code implementation10 Jan 2024 Alastair Anderberg, James Bailey, Ricardo J. G. B. Campello, Michael E. Houle, Henrique O. Marques, Miloš Radovanović, Arthur Zimek

We present a nonparametric method for outlier detection that takes full account of local variations in intrinsic dimensionality within the dataset.

Outlier Detection

Intrinsic Dimensionality Estimation within Tight Localities: A Theoretical and Experimental Analysis

1 code implementation29 Sep 2022 Laurent Amsaleg, Oussama Chelly, Michael E. Houle, Ken-ichi Kawarabayashi, Miloš Radovanović, Weeris Treeratanajaru

Accurate estimation of Intrinsic Dimensionality (ID) is of crucial importance in many data mining and machine learning tasks, including dimensionality reduction, outlier detection, similarity search and subspace clustering.

Dimensionality Reduction Outlier Detection

Hub-aware Random Walk Graph Embedding Methods for Classification

no code implementations15 Sep 2022 Aleksandar Tomčić, Miloš Savić, Miloš Radovanović

In this paper, we propose two novel graph embedding algorithms based on random walks that are specifically designed for the node classification problem.

Classification Graph Embedding +3

Local Intrinsic Dimensionality Measures for Graphs, with Applications to Graph Embeddings

no code implementations25 Aug 2022 Miloš Savić, Vladimir Kurbalija, Miloš Radovanović

The notion of local intrinsic dimensionality (LID) is an important advancement in data dimensionality analysis, with applications in data mining, machine learning and similarity search problems.

Graph Embedding

The Influence of Global Constraints on Similarity Measures for Time-Series Databases

no code implementations1 Jul 2011 Vladimir Kurbalija, Miloš Radovanović, Zoltan Geler, Mirjana Ivanović

In this paper, we investigate two representative time-series distance/similarity measures based on dynamic programming, Dynamic Time Warping (DTW) and Longest Common Subsequence (LCS), and the effects of global constraints on them.

Dynamic Time Warping Time Series +1

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