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Ujwal Kumar Gadiraju
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2020 – today
- 2021
[i8]Zijian Zhang, Jaspreet Singh, Ujwal Gadiraju, Avishek Anand:
Dissonance Between Human and Machine Understanding. CoRR abs/2101.07337 (2021)- 2020
- [j14]Sihang Qiu, Ujwal Gadiraju, Alessandro Bozzon
:
Estimating Conversational Styles in Conversational Microtask Crowdsourcing. Proc. ACM Hum. Comput. Interact. 4(CSCW): 032:1-032:23 (2020) - [j13]Shaoyang Fan, Ujwal Gadiraju, Alessandro Checco, Gianluca Demartini:
CrowdCO-OP: Sharing Risks and Rewards in Crowdsourcing. Proc. ACM Hum. Comput. Interact. 4(CSCW2): 132:1-132:24 (2020) - [j12]Tahir Abbas, Vassilis-Javed Khan, Ujwal Gadiraju, Emilia I. Barakova, Panos Markopoulos:
Crowd of Oz: A Crowd-Powered Social Robotics System for Stress Management. Sensors 20(2): 569 (2020) - [j11]Anastasia Salter, John Barber, Ujwal Gadiraju:
31st ACM International Conference on Hypertext and Social Media. SIGWEB Newsl. 2020(Spring): 2:1-2:6 (2020) - [j10]Eirini Ntoutsi, Pavlos Fafalios, Ujwal Gadiraju, Vasileios Iosifidis, Wolfgang Nejdl, Maria-Esther Vidal, Salvatore Ruggieri, Franco Turini, Symeon Papadopoulos, Emmanouil Krasanakis, Ioannis Kompatsiaris, Katharina Kinder-Kurlanda, Claudia Wagner, Fariba Karimi, Miriam Fernández, Harith Alani, Bettina Berendt, Tina Kruegel, Christian Heinze, Klaus Broelemann, Gjergji Kasneci, Thanassis Tiropanis, Steffen Staab:
Bias in data-driven artificial intelligence systems - An introductory survey. Wiley Interdiscip. Rev. Data Min. Knowl. Discov. 10(3) (2020) - [c60]Sihang Qiu, Ujwal Gadiraju, Alessandro Bozzon:
Improving Worker Engagement Through Conversational Microtask Crowdsourcing. CHI 2020: 1-12 - [c59]Sihang Qiu, Alessandro Bozzon, Ujwal Gadiraju:
Conversational Interfaces for Search As Learning. CIKM (Workshops) 2020 - [c58]Sihang Qiu, Ujwal Gadiraju, Alessandro Bozzon:
TickTalkTurk: Conversational Crowdsourcing Made Easy. CSCW Companion 2020: 53-57 - [c57]Tahir Abbas, Vassilis-Javed Khan, Ujwal Gadiraju, Emilia I. Barakova, Panos Markopoulos:
Crowd of Oz: A Crowd-powered Teleoperation System for Enhanced Human-Robot Conversations. HRI (Companion) 2020: 81-83 - [c56]Tahir Abbas, Giovanni Corpaccioli, Vassilis-Javed Khan, Ujwal Gadiraju, Emilia I. Barakova, Panos Markopoulos:
How do People Perceive Privacy and Interaction Quality while Chatting with a Crowd-operated Robot? HRI (Companion) 2020: 84-86 - [c55]Luyan Xu, Xuan Zhou, Ujwal Gadiraju:
How Does Team Composition Affect Knowledge Gain of Users in Collaborative Web Search? HT 2020: 91-100 - [c54]Sihang Qiu, Ujwal Gadiraju, Alessandro Bozzon:
Towards Memorable Information Retrieval. ICTIR 2020: 69-76 - [c53]Sihang Qiu, Ujwal Gadiraju, Alessandro Bozzon:
Just the Right Mood for HIT! - Analyzing the Role of Worker Moods in Conversational Microtask Crowdsourcing. ICWE 2020: 381-396 - [c52]Sihang Qiu, Ujwal Gadiraju, Alessandro Bozzon, Geert-Jan Houben:
Conversational Crowdsourcing. CSW@NeurIPS 2020: 1-6 - [c51]Ujwal Gadiraju, Jie Yang:
What Can Crowd Computing Do for the Next Generation of AI Systems? CSW@NeurIPS 2020: 7-13 - [c50]Luyan Xu, Xuan Zhou, Ujwal Gadiraju:
TaskGenie: Crowd-Powered Task Generation for Struggling Search. WISE (2) 2020: 3-20 - [c49]Lei Han, Eddy Maddalena, Alessandro Checco, Cristina Sarasua, Ujwal Gadiraju, Kevin Roitero, Gianluca Demartini:
Crowd Worker Strategies in Relevance Judgment Tasks. WSDM 2020: 241-249 - [e2]Ujwal Gadiraju:
HT '20: 31st ACM Conference on Hypertext and Social Media, Virtual Event, USA, July 13-15, 2020. ACM 2020, ISBN 978-1-4503-7098-1 [contents] - [i7]Eirini Ntoutsi, Pavlos Fafalios, Ujwal Gadiraju, Vasileios Iosifidis, Wolfgang Nejdl, Maria-Esther Vidal, Salvatore Ruggieri, Franco Turini, Symeon Papadopoulos, Emmanouil Krasanakis, Ioannis Kompatsiaris, Katharina Kinder-Kurlanda, Claudia Wagner, Fariba Karimi, Miriam Fernández, Harith Alani, Bettina Berendt, Tina Kruegel, Christian Heinze, Klaus Broelemann, Gjergji Kasneci, Thanassis Tiropanis, Steffen Staab:
Bias in Data-driven AI Systems - An Introductory Survey. CoRR abs/2001.09762 (2020) - [i6]Tim Draws, Nava Tintarev, Ujwal Gadiraju, Alessandro Bozzon, Benjamin Timmermans:
Assessing Viewpoint Diversity in Search Results Using Ranking Fairness Metrics. CoRR abs/2010.14531 (2020)
2010 – 2019
- 2019
- [j9]Ujwal Gadiraju, Gianluca Demartini, Ricardo Kawase, Stefan Dietze:
Crowd Anatomy Beyond the Good and Bad: Behavioral Traces for Crowd Worker Modeling and Pre-selection. Comput. Support. Cooperative Work. 28(5): 815-841 (2019) - [j8]Zijian Zhang, Jaspreet Singh, Ujwal Gadiraju, Avishek Anand:
Dissonance Between Human and Machine Understanding. Proc. ACM Hum. Comput. Interact. 3(CSCW): 56:1-56:23 (2019) - [j7]Ran Yu, Ujwal Gadiraju, Besnik Fetahu, Oliver Lehmberg, Dominique Ritze, Stefan Dietze:
KnowMore - knowledge base augmentation with structured web markup. Semantic Web 10(1): 159-180 (2019) - [c48]Christoph Hube, Besnik Fetahu, Ujwal Gadiraju:
Understanding and Mitigating Worker Biases in the Crowdsourced Collection of Subjective Judgments. CHI 2019: 407 - [c47]Rishita Kalyani, Ujwal Gadiraju:
Understanding User Search Behavior Across Varying Cognitive Levels. HT 2019: 123-132 - [c46]Ujwal Gadiraju, Gianluca Demartini:
Understanding Worker Moods and Reactions to Rejection in Crowdsourcing. HT 2019: 211-220 - [c45]Thiago Baesso Procaci, Sean W. M. Siqueira, Bernardo Pereira Nunes, Ujwal Gadiraju:
How Do Outstanding Users Differ From Other Users in Q&A Communities? HT 2019: 281-282 - [c44]Ujwal Gadiraju, Mahdi Bohlouli, Gianluca Demartini, Anoush Margaryan:
JobNoW'19 - 1st International Workshop on Job Knowledge Discovery on the Web & Social Media. HT 2019: 305-306 - [c43]Tetiana Tolmachova, Luyan Xu, Ivana Marenzi, Ujwal Gadiraju:
Visualizing Search History in Web Learning. ICWL 2019: 229-240 - [c42]Luyan Xu, Xuan Zhou, Ujwal Gadiraju:
Revealing the Role of User Moods in Struggling Search Tasks. SIGIR 2019: 1249-1252 - [c41]Panagiotis Mavridis, Owen Huang, Sihang Qiu, Ujwal Gadiraju, Alessandro Bozzon:
Chatterbox: Conversational Interfaces for Microtask Crowdsourcing. UMAP 2019: 243-251 - [c40]Mengdie Zhuang, Ujwal Gadiraju:
In What Mood Are You Today?: An Analysis of Crowd Workers' Mood, Performance and Engagement. WebSci 2019: 373-382 - [c39]Lei Han, Kevin Roitero, Ujwal Gadiraju, Cristina Sarasua, Alessandro Checco, Eddy Maddalena, Gianluca Demartini:
All Those Wasted Hours: On Task Abandonment in Crowdsourcing. WSDM 2019: 321-329 - [p2]Ujwal Gadiraju, Mengdie Zhuang:
What You Sow, So Shall You Reap! Toward Preselection Mechanisms for Macrotask Crowdsourcing. Macrotask Crowdsourcing 2019: 163-188 - [i5]Luyan Xu, Xuan Zhou, Ujwal Gadiraju:
Revealing the Role of User Moods in Struggling Search Tasks. CoRR abs/1907.07717 (2019) - 2018
- [j6]Ujwal Gadiraju:
"A new age of search systems" by Ujwal Gadiraju with Martin Vesely as coordinator: understanding knowledge gained by users through search. SIGWEB Newsl. 2018(Summer): 4:1-4:11 (2018) - [c38]Ujwal Gadiraju, Ran Yu, Stefan Dietze, Peter Holtz:
Analyzing Knowledge Gain of Users in Informational Search Sessions on the Web. CHIIR 2018: 2-11 - [c37]Avishek Anand, Kilian Bizer, Alexander Erlei, Ujwal Gadiraju, Christian Heinze, Lukas Meub, Wolfgang Nejdl, Bjoern Steinroetter:
Effects of Algorithmic Decision-Making and Interpretability on Human Behavior: Experiments using Crowdsourcing. HCOMP (WIP&Demo) 2018 - [c36]Christoph Hube, Besnik Fetahu, Ujwal Gadiraju:
LimitBias! Measuring Worker Biases in the Crowdsourced Collection of Subjective Judgments (short paper). SAD/CrowdBias@HCOMP 2018: 78-82 - [c35]Alan Aipe, Ujwal Gadiraju:
SimilarHITs: Revealing the Role of Task Similarity in Microtask Crowdsourcing. HT 2018: 115-122 - [c34]Ran Yu, Ujwal Gadiraju, Peter Holtz, Markus Rokicki, Philipp Kemkes, Stefan Dietze:
Predicting User Knowledge Gain in Informational Search Sessions. SIGIR 2018: 75-84 - [e1]Lora Aroyo, Anca Dumitrache, Praveen Paritosh, Alexander J. Quinn, Chris Welty, Alessandro Checco, Gianluca Demartini, Ujwal Gadiraju, Cristina Sarasua:
Proceedings of the 1st Workshop on Subjectivity, Ambiguity and Disagreement in Crowdsourcing, and Short Paper Proceedings of the 1st Workshop on Disentangling the Relation Between Crowdsourcing and Bias Management (SAD 2018 and CrowdBias 2018) co-located the 6th AAAI Conference on Human Computation and Crowdsourcing (HCOMP 2018), Zürich, Switzerland, July 5, 2018. CEUR Workshop Proceedings 2276, CEUR-WS.org 2018 [contents] - [i4]Ran Yu, Ujwal Gadiraju, Peter Holtz, Markus Rokicki, Philipp Kemkes, Stefan Dietze:
Predicting User Knowledge Gain in Informational Search Sessions. CoRR abs/1805.00823 (2018) - [i3]Ran Yu, Ujwal Gadiraju, Stefan Dietze:
Detecting, Understanding and Supporting Everyday Learning in Web Search. CoRR abs/1806.11046 (2018) - 2017
- [b1]Ujwal Gadiraju:
It's getting crowded!: improving the effectiveness of microtask crowdsourcing. University of Hanover, Hannover, Germany, 2017 - [j5]Gianluca Demartini, Djellel Eddine Difallah, Ujwal Gadiraju, Michele Catasta:
An Introduction to Hybrid Human-Machine Information Systems. Found. Trends Web Sci. 7(1): 1-87 (2017) - [j4]Ujwal Gadiraju, Alessandro Checco, Neha Gupta, Gianluca Demartini:
Modus Operandi of Crowd Workers: The Invisible Role of Microtask Work Environments. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. 1(3): 49:1-49:29 (2017) - [j3]Ujwal Gadiraju, Besnik Fetahu, Ricardo Kawase, Patrick Siehndel, Stefan Dietze:
Using Worker Self-Assessments for Competence-Based Pre-Selection in Crowdsourcing Microtasks. ACM Trans. Comput. Hum. Interact. 24(4): 30:1-30:26 (2017) - [c33]Andrea Ceroni, Ujwal Gadiraju, Marco Fisichella:
JustEvents: A Crowdsourced Corpus for Event Validation with Strict Temporal Constraints. ECIR 2017: 484-492 - [c32]Mathieu d'Aquin, Alessandro Adamou, Stefan Dietze, Besnik Fetahu, Ujwal Gadiraju, Ilire Hasani-Mavriqi, Peter Holtz, Joachim Kimmerle, Dominik Kowald, Elisabeth Lex, Susana López-Sola, Ricardo Alonso Maturana, Vedran Sabol, Pinelopi Troullinou, Eduardo E. Veas:
AFEL: Towards Measuring Online Activities Contributions to Self-directed Learning. ARTEL@EC-TEL 2017 - [c31]Ujwal Gadiraju:
Its Getting Crowded! Verbesserung der Effektivität von Microtask Crowdsourcing. Ausgezeichnete Informatikdissertationen 2017: 61-70 - [c30]Ujwal Gadiraju, Jie Yang, Alessandro Bozzon:
Clarity is a Worthwhile Quality: On the Role of Task Clarity in Microtask Crowdsourcing. HT 2017: 5-14 - [c29]Ran Yu, Ujwal Gadiraju, Besnik Fetahu, Stefan Dietze:
FuseM: Query-Centric Data Fusion on Structured Web Markup. ICDE 2017: 179-182 - [c28]Ujwal Gadiraju, Ricardo Kawase:
Improving Reliability of Crowdsourced Results by Detecting Crowd Workers with Multiple Identities. ICWE 2017: 190-205 - [c27]Ujwal Gadiraju, Stefan Dietze:
Improving learning through achievement priming in crowdsourced information finding microtasks. LAK 2017: 105-114 - [i2]Tuan Tran, Claudia Niederée, Nattiya Kanhabua, Ujwal Gadiraju, Avishek Anand:
Balancing Novelty and Salience: Adaptive Learning to Rank Entities for Timeline Summarization of High-impact Events. CoRR abs/1701.03947 (2017) - [i1]Besnik Fetahu, Ujwal Gadiraju, Stefan Dietze:
Improving Entity Retrieval on Structured Data. CoRR abs/1703.10349 (2017) - 2016
- [j2]Ujwal Gadiraju:
"Make hay while the crowd shines: towards effective crowdsourcing on the web" by Ujwal Gadiraju, with Prateek Jain as coordinator. SIGWEB Newsl. 2016(Summer): 3:1 (2016) - [c26]Patrick Siehndel, Ujwal Gadiraju:
Unlock the Stock: User Topic Modeling for Stock Market Analysis. EDBT/ICDT Workshops 2016 - [c25]Ran Yu, Ujwal Gadiraju, Xiaofei Zhu, Besnik Fetahu, Stefan Dietze:
Towards Entity Summarisation on Structured Web Markup. ESWC (Satellite Events) 2016: 69-73 - [c24]Ran Yu, Besnik Fetahu, Ujwal Gadiraju, Stefan Dietze:
A Survey on Challenges in Web Markup Data for Entity Retrieval. International Semantic Web Conference (Posters & Demos) 2016 - [c23]Andrea Ceroni, Ujwal Gadiraju, Jan Matschke, Simon Wingert, Marco Fisichella:
Where the Event Lies: Predicting Event Occurrence in Textual Documents. SIGIR 2016: 1157-1160 - [c22]Ujwal Gadiraju, Gianluca Demartini, Djellel Eddine Difallah, Michele Catasta:
It's getting crowded!: how to use crowdsourcing effectively for web science research. WebSci 2016: 11 - [c21]Ujwal Gadiraju, Patrick Siehndel, Stefan Dietze:
Estimating domain specificity for effective crowdsourcing of link prediction and schema mapping. WebSci 2016: 323-324 - [p1]Jakob Beetz, Ina Blümel, Stefan Dietze, Besnik Fetahu, Ujwal Gadiraju, Martin Hecher, Thomas Krijnen, Michelle Lindlar, Martin Tamke, Raoul Wessel, Ran Yu:
Enrichment and Preservation of Architectural Knowledge. 3D Research Challenges in Cultural Heritage 2016: 231-255 - 2015
- [j1]Ujwal Gadiraju, Gianluca Demartini, Ricardo Kawase, Stefan Dietze:
Human Beyond the Machine: Challenges and Opportunities of Microtask Crowdsourcing. IEEE Intell. Syst. 30(4): 81-85 (2015) - [c20]Ujwal Gadiraju, Ricardo Kawase, Stefan Dietze, Gianluca Demartini:
Understanding Malicious Behavior in Crowdsourcing Platforms: The Case of Online Surveys. CHI 2015: 1631-1640 - [c19]Tuan Tran, Claudia Niederée, Nattiya Kanhabua, Ujwal Gadiraju, Avishek Anand:
Balancing Novelty and Salience: Adaptive Learning to Rank Entities for Timeline Summarization of High-impact Events. CIKM 2015: 1201-1210 - [c18]Andrea Ceroni, Ujwal Kumar Gadiraju, Marco Fisichella:
Improving Event Detection by Automatically Assessing Validity of Event Occurrence in Text. CIKM 2015: 1815-1818 - [c17]Ujwal Gadiraju, Sebastian Möller, Martin Nöllenburg, Dietmar Saupe, Sebastian Egger-Lampl, Daniel W. Archambault, Brian Fisher:
Crowdsourcing Versus the Laboratory: Towards Human-Centered Experiments Using the Crowd. Crowdsourcing and Human-Centered Experiments 2015: 6-26 - [c16]Ujwal Gadiraju, Besnik Fetahu, Ricardo Kawase:
Training Workers for Improving Performance in Crowdsourcing Microtasks. EC-TEL 2015: 100-114 - [c15]Ujwal Gadiraju, Patrick Siehndel, Besnik Fetahu, Ricardo Kawase:
Breaking Bad: Understanding Behavior of Crowd Workers in Categorization Microtasks. HT 2015: 33-38 - [c14]Besnik Fetahu, Ujwal Gadiraju, Stefan Dietze:
Improving Entity Retrieval on Structured Data. International Semantic Web Conference (1) 2015: 474-491 - [c13]Ujwal Gadiraju, Stefan Dietze, Ernesto Diaz-Aviles:
Ranking Buildings and Mining the Web for Popular Architectural Patterns. WebSci 2015: 8:1-8:10 - [c12]Ran Yu, Ujwal Gadiraju, Besnik Fetahu, Stefan Dietze:
Adaptive Focused Crawling of Linked Data. WISE (1) 2015: 554-569 - [c11]Ujwal Gadiraju:
Make Hay While the Crowd Shines: Towards Efficient Crowdsourcing on the Web. WWW (Companion Volume) 2015: 493-497 - 2014
- [c10]Ricardo Kawase, Patrick Siehndel, Ujwal Gadiraju:
Technology Enhancing Learning: Past, Present and Future. EC-TEL 2014: 193-206 - [c9]Ujwal Gadiraju, Ricardo Kawase, Stefan Dietze:
A taxonomy of microtasks on the web. HT 2014: 218-223 - [c8]Ujwal Gadiraju, Kaweh Djafari Naini, Andrea Ceroni, Mihai Georgescu, Dang Duc Pham, Marco Fisichella:
WikipEvent: Temporal Event Data for the Semantic Web. International Semantic Web Conference (Posters & Demos) 2014: 125-128 - [c7]Besnik Fetahu, Ujwal Gadiraju, Stefan Dietze:
Crawl Me Maybe: Iterative Linked Dataset Preservation. International Semantic Web Conference (Posters & Demos) 2014: 433-436 - [c6]Ujwal Gadiraju, Ricardo Kawase, Stefan Dietze:
Extracting Architectural Patterns from Web data. International Semantic Web Conference (Posters & Demos) 2014: 461-464 - [c5]Andrea Ceroni, Mihai Georgescu, Ujwal Gadiraju, Kaweh Djafari Naini, Marco Fisichella:
Information Evolution in Wikipedia. OpenSym 2014: 24:1-24:10 - [c4]Mihai Georgescu, Dang Duc Pham, Claudiu S. Firan, Ujwal Gadiraju, Wolfgang Nejdl:
When in Doubt Ask the Crowd: Employing Crowdsourcing for Active Learning. WIMS 2014: 12:1-12:12 - 2013
- [c3]Stefan Dietze, Jakob Beetz, Ujwal Gadiraju, Georgios Katsimpras, Raoul Wessel, René Berndt:
Towards Preservation of Semantically Enriched Architectural Knowledge. SDA 2013: 4-15 - [c2]Ke Tao, Fabian Abel, Claudia Hauff, Geert-Jan Houben, Ujwal Gadiraju:
Twinder: Enhancing Twitter Search. PROMISE Winter School 2013: 208-217 - [c1]Ke Tao, Fabian Abel, Claudia Hauff, Geert-Jan Houben, Ujwal Gadiraju:
Groundhog day: near-duplicate detection on Twitter. WWW 2013: 1273-1284
Coauthor Index
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