49 citations · 83 across the 6 of their papers we have counts for
4 papers · 1 filter
Regional properties of global communication as reflected in aggregated Twitter data
Zsofia Kallus, Norbert Barankai, Daniel Kondor +7
Twitter is a popular public conversation platform with world-wide audience and diverse forms of connections between users. In this paper we introduce the concept of aggregated regi…
Using Robust PCA to estimate regional characteristics of language use from geo-tagged Twitter messages
Dániel Kondor, István Csabai, László Dobos +6
Principal component analysis (PCA) and related techniques have been successfully employed in natural language processing. Text mining applications in the age of the online social m…
A multi-terabyte relational database for geo-tagged social network data
László Dobos, János Szüle, Tamás Bodnár +7
Despite their relatively low sampling factor, the freely available, randomly sampled status streams of Twitter are very useful sources of geographically embedded social network dat…
Non-Markovian Toy Quantum Chain
András Bodor, Lajos Diósi, Zsófia Kallus +1
We propose a simple structure for stationary non-Markovian quantum chains in the framework of collisional dynamics of open quantum systems. To this end, we modify the microscopic M…