Here you can find scientific publications of Know-Center employees

Deriving Public Transportation Timetables with Large-Scale Cell Phone Data

C Horn, R Kern – Procedia Computer Science, 2015

In this paper, we propose an approach to deriving public transportation timetables of a region (i.e. country) based on (i) large- scale, non-GPS cell phone data and (ii) a dataset containing geographic information of public transportation stations. The presented algorithm is designed to work with movements data, which are scarce…

Detecting Outliers in Cell Phone Data: Correcting Trajectories to Improve Traffic Modeling

C Horn, S Klampfl, M Cik, T Reiter – Journal of the Transportation Research Board, 2014

Using cell phone signaling data for traffic modeling has great potential. Due to the high coverage rate, it can be used in addition to stationary sensors or even act as replacement when deploying stationary sensors is not possible and/or too expensive. Though, one must be aware that cell phone signaling…

Traffic incident detection with cellular network data

T Reiter, M Cik, M Haberl, C Breitwieser, R Scherer, M Kroell, C Horn, G Müller-Putz, S Lindstaedt, M Fellendorf – OPTI…, 2013

Today, proper traffic incident management (IM) has to deal increasingly with problems such as traffic congestion and environmental sustainability. Therefore, IM intends to clear the road for traffic as quickly as possible after an incident has happened. Electronic data verifiably has great potential for supporting traffic incident management. As a…

Using Factual Density to Measure Informativeness of Web Documents

C Horn, A Zhila, A Gelbukh, R Kern, E Lex – In Proceedings of the 19th Nordic Conference on Computational Linguistics, N…, 2013

Traffic incident management with cellular network data

T Reiter, M Cik, M Haberl, C Breitwieser, R Scherer, M Kroell, C Horn, M Fellendorf – International Symposium on Recent …, 2013

Measuring the Quality of Web Content using Factual Information

E Lex, M Voelske, M Errecalde, E Ferretti, L Cagnina, C Horn, B Stein, M Granitzer – Proceedings of the 2nd Joint WICOW/…, 2012

Realtime Ad Hoc Search in Twitter: Know-Center at TREC Microblog Track 2011

C Horn, O Pimas, M Granitzer, E Lex – Proceedings of TREC 2011, 2011

Who Tweets: Detecting User Types and Tweet Quality using Supervised Classification

C Horn, E Lex, M Granitzer – IADIS European Conference on Data Mining 2011, 2011


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