Search Results for author: Apostolos N. Papadopoulos

Found 4 papers, 3 papers with code

RELINE: Point-of-Interest Recommendations using Multiple Network Embeddings

1 code implementation2 Feb 2019 Giannis Christoforidis, Pavlos Kefalas, Apostolos N. Papadopoulos, Yannis Manolopoulos

We have evaluated our approach against state-of-the-art methods with three large real-world datasets in terms of accuracy.

Recommendation Systems

Keywords lie far from the mean of all words in local vector space

1 code implementation21 Aug 2020 Eirini Papagiannopoulou, Grigorios Tsoumakas, Apostolos N. Papadopoulos

Keyword extraction is an important document process that aims at finding a small set of terms that concisely describe a document's topics.

Keyword Extraction Position

NodeSig: Binary Node Embeddings via Random Walk Diffusion

no code implementations1 Oct 2020 Abdulkadir Çelikkanat, Fragkiskos D. Malliaros, Apostolos N. Papadopoulos

Graph Representation Learning (GRL) has become a key paradigm in network analysis, with a plethora of interdisciplinary applications.

Graph Representation Learning Link Prediction +1

Multiple Similarity Drug-Target Interaction Prediction with Random Walks and Matrix Factorization

1 code implementation24 Jan 2022 Bin Liu, Dimitrios Papadopoulos, Fragkiskos D. Malliaros, Grigorios Tsoumakas, Apostolos N. Papadopoulos

Moreover, the validation of highly ranked non-interacting pairs also demonstrates the potential of MDMF2A to discover novel DTIs.

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