Antal Ratku

发表

Analysis of How Underlying Topics in Financial News Affect Stock Prices Using Latent Dirichlet Allocation

Stefan Feuerriegel, Antal Ratku, Dirk Neumann, 2016, 2016 49th Hawaii International Conference on System Sciences (HICSS).

Crime Mapping through Geo-Spatial Social Media Activity

Dirk Neumann, Johannes Bendler, Antal Ratku, 2014, ICIS.

Finding Evidence of Irrational Exuberance in the Oil Market

Stefan Feuerriegel, Dirk Neumann, Fethi A. Rabhi, 2014, FinanceCom.

Which News Disclosures Matter? News Reception Compared Across Topics Extracted from the Latent Dirichlet Allocation

Stefan Feuerriegel, Dirk Neumann, Antal Ratku, 2015 .