Lei Han


2018

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API Caveat Explorer - Surfacing Negative Usages from Practice: An API-oriented Interactive Exploratory Search System for Programmers
Jing Li | Aixin Sun | Zhenchang Xing | Lei Han
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

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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On Transforming Relevance Scales
Lei Han | Kevin Roitero | Eddy Maddalena | Stefano Mizzaro | Gianluca Demartini
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

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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On Understanding Data Worker Interaction Behaviors
Lei Han | Tianwa Chen | Gianluca Demartini | Marta Indulska | Shazia W. Sadiq
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Modelling User Behavior Dynamics with Embeddings
Lei Han | Alessandro Checco | Djellel Eddine Difallah | Gianluca Demartini | Shazia Wasim Sadiq
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020