Search Results for author: Polyvios Pratikakis

Found 6 papers, 3 papers with code

Russo-Ukrainian War: Prediction and explanation of Twitter suspension

1 code implementation6 Jun 2023 Alexander Shevtsov, Despoina Antonakaki, Ioannis Lamprou, Ioannis Kontogiorgakis, Polyvios Pratikakis, Sotiris Ioannidis

This study focuses on the Twitter suspension mechanism and the analysis of shared content and features of the user accounts that may lead to this.

BotArtist: Twitter bot detection Machine Learning model based on Twitter suspension

no code implementations31 May 2023 Alexander Shevtsov, Despoina Antonakaki, Ioannis Lamprou, Polyvios Pratikakis, Sotiris Ioannidis

We collect the ground truth for our dataset through the Twitter API suspended accounts collection, containing approximately 343K of bot accounts and 8M of normal users.

Twitter Bot Detection

TwitterMancer: Predicting Interactions on Twitter Accurately

no code implementations25 Apr 2019 Konstantinos Sotiropoulos, John W. Byers, Polyvios Pratikakis, Charalampos E. Tsourakakis

This paper investigates the interplay between different types of user interactions on Twitter, with respect to predicting missing or unseen interactions.

Graph Mining

twAwler: A lightweight twitter crawler

1 code implementation20 Apr 2018 Polyvios Pratikakis

This paper presents twAwler, a lightweight twitter crawler that targets language-specific communities of users.

Massively-Parallel Feature Selection for Big Data

no code implementations23 Aug 2017 Ioannis Tsamardinos, Giorgos Borboudakis, Pavlos Katsogridakis, Polyvios Pratikakis, Vassilis Christophides

We present the Parallel, Forward-Backward with Pruning (PFBP) algorithm for feature selection (FS) in Big Data settings (high dimensionality and/or sample size).

feature selection

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