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  1. No Access

    Article

    A hidden challenge of link prediction: which pairs to check?

    The traditional setup of link prediction in networks assumes that a test set of node pairs, which is usually balanced, is available over which to predict the presence of links. However, in practice, there is n...

    Caleb Belth, Alican Büyükçakır, Danai Koutra in Knowledge and Information Systems (2022)

  2. No Access

    Article

    Fast network discovery on sequence data via time-aware hashing

    Discovering and analyzing networks from non-network data is a task with applications in fields as diverse as neuroscience, genomics, climate science, economics, and more. In domains where networks are discover...

    Tara Safavi, Chandra Sripada, Danai Koutra in Knowledge and Information Systems (2019)

  3. No Access

    Article

    On effective and efficient graph edge labeling

    Graphs, such as social, road and information networks, are ubiquitous as they naturally model entities and their relationships. Many query processing tasks on graphs are concerned about efficiently accessing n...

    Oshini Goonetilleke, Danai Koutra, Kewen Liao… in Distributed and Parallel Databases (2019)

  4. No Access

    Chapter and Conference Paper

    HashAlign: Hash-Based Alignment of Multiple Graphs

    Fusing or aligning two or more networks is a fundamental building block of many graph mining tasks (e.g., recommendation systems, link prediction, collective analysis of networks). Most past work has focused o...

    Mark Heimann, Wei Lee, Shengjie Pan… in Advances in Knowledge Discovery and Data M… (2018)

  5. No Access

    Article

    Discovery of “comet” communities in temporal and labeled graphs Com \(^2\)  

    While the analysis of unlabeled networks has been studied extensively in the past, finding patterns in different kinds of labeled graphs is still an open challenge. Given a large edge-labeled network, e.g., a ...

    Miguel Araujo, Stephan Günnemann, Spiros Papadimitriou… in Knowledge and Information Systems (2016)