2022

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To Trust or Not To Trust: How a Conversational Interface Affects Trust in a Decision Support System
Akshit Gupta | Debadeep Basu | Ramya Ghantasala | Sihang Qiu | Ujwal Gadiraju
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

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Ready Player One! Eliciting Diverse Knowledge Using A Configurable Game
Agathe Balayn | Gaole He | Andrea Hu | Jie Yang | Ujwal Gadiraju
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

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What Should You Know? A Human-In-the-Loop Approach to Unknown Unknowns Characterization in Image Recognition
Shahin Sharifi Noorian | Sihang Qiu | Ujwal Gadiraju | Jie Yang | Alessandro Bozzon
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

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Topic-independent modeling of user knowledge in informational search sessions
Ran Yu | Rui Tang | Markus Rokicki | Ujwal Gadiraju | Stefan Dietze
2021 Volume 24 Issue 3

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This Is Not What We Ordered: Exploring Why Biased Search Result Rankings Affect User Attitudes on Debated Topics
Tim Draws | Nava Tintarev | Ujwal Gadiraju | Alessandro Bozzon | Benjamin Timmermans
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

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Note the Highlight: Incorporating Active Reading Tools in a Search as Learning Environment
Nirmal Roy | Manuel Valle Torre | Ujwal Gadiraju | David Maxwell | Claudia Hauff
CHIIR '21: ACM SIGIR Conference on Human Information Interaction and Retrieval, Canberra, ACT, Australia, March 14-19, 2021

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How Do Active Reading Strategies Affect Learning Outcomes in Web Search?
Nirmal Roy | Manuel Valle Torre | Ujwal Gadiraju | David Maxwell | Claudia Hauff
Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Virtual Event, March 28 - April 1, 2021, Proceedings, Part II

2020

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Conversational Interfaces for Search As Learning
Sihang Qiu | Alessandro Bozzon | Ujwal Gadiraju
Proceedings of the CIKM 2020 Workshops co-located with 29th ACM International Conference on Information and Knowledge Management (CIKM 2020), Galway, Ireland, October 19-23, 2020

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Crowd Worker Strategies in Relevance Judgment Tasks
Lei Han | Eddy Maddalena | Alessandro Checco | Cristina Sarasua | Ujwal Gadiraju | Kevin Roitero | Gianluca Demartini
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

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Towards Memorable Information Retrieval
Sihang Qiu | Ujwal Gadiraju | Alessandro Bozzon
ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

2019

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All Those Wasted Hours: On Task Abandonment in Crowdsourcing
Lei Han | Kevin Roitero | Ujwal Gadiraju | Cristina Sarasua | Alessandro Checco | Eddy Maddalena | Gianluca Demartini
Proceedings of the Twelfth ACM International Conference on Web Search and Data Mining, WSDM 2019, Melbourne, VIC, Australia, February 11-15, 2019

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Revealing the Role of User Moods in Struggling Search Tasks
Luyan Xu | Xuan Zhou | Ujwal Gadiraju
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

2018

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Predicting User Knowledge Gain in Informational Search Sessions
Ran Yu | Ujwal Gadiraju | Peter Holtz | Markus Rokicki | Philipp Kemkes | Stefan Dietze
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

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Analyzing Knowledge Gain of Users in Informational Search Sessions on the Web
Ujwal Gadiraju | Ran Yu | Stefan Dietze | Peter Holtz
Proceedings of the 2018 Conference on Human Information Interaction and Retrieval, CHIIR 2018, New Brunswick, NJ, USA, March 11-15, 2018

2017

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JustEvents: A Crowdsourced Corpus for Event Validation with Strict Temporal Constraints
Andrea Ceroni | Ujwal Gadiraju | Marco Fisichella
Advances in Information Retrieval - 39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings

2016

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Where the Event Lies: Predicting Event Occurrence in Textual Documents
Andrea Ceroni | Ujwal Gadiraju | Jan Matschke | Simon Wingert | Marco Fisichella
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

2015

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Balancing Novelty and Salience: Adaptive Learning to Rank Entities for Timeline Summarization of High-impact Events
Tuan Tran | Claudia Niederée | Nattiya Kanhabua | Ujwal Gadiraju | Avishek Anand
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

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Make Hay While the Crowd Shines: Towards Efficient Crowdsourcing on the Web
Ujwal Gadiraju
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume

2013

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Groundhog day: near-duplicate detection on Twitter
Ke Tao | Fabian Abel | Claudia Hauff | Geert-Jan Houben | Ujwal Gadiraju
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013