External validity of sentiment mining reports: Can current methods identify demographic biases, event biases, and manipulation of reviews? - Fons Wijnhoven; Oscar Bloemen (Decis. Support Syst., 2014)

Secure multiparty PageRank algorithm for collaborative fraud detection. - Alex Sangers; Maran van Heesch; Thomas Attema; Thijs Veugen; Mark Wiggerman; Jan Veldsink; Oscar Bloemen; Daniël Worm (IACR Cryptol. ePrint Arch., 2018)