Stefan Constantin


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Error correction and extraction in request dialogs
Stefan Constantin | Alex Waibel
Proceedings of the 5th International Conference on Natural Language and Speech Processing (ICNLSP 2022)


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Incremental processing of noisy user utterances in the spoken language understanding task
Stefan Constantin | Jan Niehues | Alex Waibel
Proceedings of the 5th Workshop on Noisy User-generated Text (W-NUT 2019)

The state-of-the-art neural network architectures make it possible to create spoken language understanding systems with high quality and fast processing time. One major challenge for real-world applications is the high latency of these systems caused by triggered actions with high executions times. If an action can be separated into subactions, the reaction time of the systems can be improved through incremental processing of the user utterance and starting subactions while the utterance is still being uttered. In this work, we present a model-agnostic method to achieve high quality in processing incrementally produced partial utterances. Based on clean and noisy versions of the ATIS dataset, we show how to create datasets with our method to create low-latency natural language understanding components. We get improvements of up to 47.91 absolute percentage points in the metric F1-score.