Ujwal Gadiraju
Ujwal Gadiraju
Assistant Professor, Web Information Systems, Delft University of Technology
Dirección de correo verificada de tudelft.nl - Página principal
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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
1652015
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
1012014
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
752013
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
522017
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
442015
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
342018
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
292015
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
282018
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
282015
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
272017
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
262017
Improving learning through achievement priming in crowdsourced information finding microtasks
U Gadiraju, S Dietze
LAK 2017. Proceedings of the Seventh International Learning Analytics …, 2017
252017
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), 1-26, 2017
232017
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
192017
All those wasted hours: On task abandonment in crowdsourcing
L Han, K Roitero, U Gadiraju, C Sarasua, A Checco, E Maddalena, ...
WSDM 2019. Proceedings of the Twelfth ACM International Conference on Web …, 2019
162019
Understanding and Mitigating Worker Biases in the Crowdsourced Collection of Subjective Judgments
C Hube, B Fetahu, U Gadiraju
CHI 2019. Proceedings of the 2019 {CHI} Conference on Human Factors in …, 2019
152019
Improving entity retrieval on structured data
B Fetahu, U Gadiraju, S Dietze
ISWC 2015. International Semantic Web Conference, 474-491, 2015
152015
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
122016
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
122014
Breaking bad: Understanding behavior of crowd workers in categorization microtasks
U Gadiraju, P Siehndel, B Fetahu, R Kawase
HT 2015. Proceedings of the 26th ACM Conference on Hypertext & Social Media …, 2015
112015
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