Ujwal Gadiraju
Ujwal Gadiraju
Postdoctoral Researcher, L3S Research Center, Leibniz University of Hannover
Verified email at l3s.de - Homepage
TitleCited byYear
Understanding Malicious Behavior in Crowdsourcing Platforms: The Case of Online Surveys
U Gadiraju, R Kawase, S Dietze, G Demartini
CHI 2015. Proceedings of the 33rd Annual {ACM} Conference on Human Factors …, 2015
A taxonomy of microtasks on the web
U Gadiraju, R Kawase, S Dietze
HT 2014. Proceedings of the 25th ACM conference on Hypertext and social …, 2014
Groundhog day: near-duplicate detection on twitter
K Tao, F Abel, C Hauff, GJ Houben, U Gadiraju
WWW 2013. Proceedings of the 22nd international conference on World Wide Web …, 2013
Clarity is a Worthwhile Quality: On the Role of Task Clarity in Microtask Crowdsourcing
U Gadiraju, J Yang, A Bozzon
HT 2017. In Proceedings of the 28th ACM Conference on Hypertext and Social …, 2017
Training workers for improving performance in crowdsourcing microtasks
U Gadiraju, B Fetahu, R Kawase
ECTEL 2015. Design for Teaching and Learning in a Networked World, 100-114, 2015
Balancing novelty and salience: Adaptive learning to rank entities for timeline summarization of high-impact events
TA Tran, C Niederee, N Kanhabua, U Gadiraju, A Anand
CIKM 2017. Proceedings of the 24th ACM International on Conference on …, 2015
Using worker self-assessments for competence-based pre-selection in crowdsourcing microtasks
U Gadiraju, B Fetahu, R Kawase, P Siehndel, S Dietze
ACM Transactions on Computer-Human Interaction (TOCHI) 24 (4), 30, 2017
Modus operandi of crowd workers: The invisible role of microtask work environments
U Gadiraju, A Checco, N Gupta, G Demartini
UBICOMP 2017. Proceedings of the ACM on Interactive, Mobile, Wearable and …, 2017
Improving learning through achievement priming in crowdsourced information finding microtasks
U Gadiraju, S Dietze
LAK 2017. Proceedings of the Seventh International Learning Analytics …, 2017
Human beyond the machine: Challenges and opportunities of microtask crowdsourcing
U Gadiraju, G Demartini, R Kawase, S Dietze
IEEE Intelligent Systems 30 (4), 81-85, 2015
Analyzing knowledge gain of users in informational search sessions on the web
U Gadiraju, R Yu, S Dietze, P Holtz
CHIIR 2018. Proceedings of the 2018 Conference on Human Information …, 2018
Improving entity retrieval on structured data
B Fetahu, U Gadiraju, S Dietze
ISWC 2015. International Semantic Web Conference, 474-491, 2015
Crowdsourcing versus the laboratory: towards human-centered experiments using the crowd
U Gadiraju, S Möller, M Nöllenburg, D Saupe, S Egger-Lampl, ...
Evaluation in the Crowd. Crowdsourcing and Human-Centered Experiments, 6-26, 2017
Predicting user knowledge gain in informational search sessions
R Yu, U Gadiraju, P Holtz, M Rokicki, P Kemkes, S Dietze
SIGIR 2018. The 41st International ACM SIGIR Conference on Research …, 2018
An introduction to hybrid human-machine information systems
G Demartini, DE Difallah, U Gadiraju, M Catasta
Foundations and Trends® in Web Science 7 (1), 1-87, 2017
Towards entity summarisation on structured web markup
R Yu, U Gadiraju, X Zhu, B Fetahu, S Dietze
ESWC 2016. European Semantic Web Conference, 69-73, 2016
A Survey on Challenges in Web Markup Data for Entity Retrieval.
R Yu, B Fetahu, U Gadiraju, S Dietze
ISWC 2016. International Semantic Web Conference (Posters & Demos), 17-21, 2016
When in doubt ask the crowd: Employing crowdsourcing for active learning
M Georgescu, DD Pham, CS Firan, U Gadiraju, W Nejdl
WIMS 2014. Proceedings of the 4th International Conference on Web …, 2014
Where the event lies: Predicting event occurrence in textual documents
A Ceroni, U Gadiraju, J Matschke, S Wingert, M Fisichella
SIGIR 2016. Proceedings of the 39th International ACM SIGIR conference on …, 2016
Adaptive focused crawling of linked data
R Yu, U Gadiraju, B Fetahu, S Dietze
WISE 2015. International Conference on Web Information Systems Engineering …, 2015
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