Search Results for author: Apostolos N. Papadopoulos

Found 4 papers, 3 papers with code

${\rm N{\small ode}S{\small ig}}$: Random Walk Diffusion meets Hashing for Scalable Graph Embeddings

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

In particular, we propose ${\rm N{\small ode}S{\small ig}}$, a scalable embedding model that computes binary node representations.

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

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

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