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Big Data Management GroupPaper Accepted for CIKM 2019


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Paper Accepted for CIKM 2019

The paper 

"ED2: A Case for Active Learning in Error Detection" 

by Felix Neutatz, Mohammad Mahdavi, and Ziawasch Abedjan was accepted for CIKM 2019. 

Here is the abstract:

"State-of-the-art approaches formulate error detection as a semi-supervised classification problem. Recent research suggests that active learning is insufficiently effective for error detection and proposes the usage of neural networks and data augmentation to reduce the number of these user-provided labels. However, we can show that using the appropriate active learning strategy, it is possible to outperform the more complex models that rely on data augmentation. To this end, we propose a multi-classifier approach with two-stage sampling for active learning. This intuitive and neat sampling method chooses the most promising cells across rows and columns for labeling. On three datasets, ED2 achieves state-of-the-art detection accuracy while for large datasets, the required number of user labels is lower by one order of magnitude compared to the state of the art."


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