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About this paper

Victoria Graf, Valentina Pyatkin, Nouha Dziri, Nathan Lambert, Hannaneh Hajishirzi

This research from the University of Washington and Allen Institute for AI introduces TURNWISEEVAL, a benchmark specifically designed to measure the gap between single- and multi-turn language model capabilities, and TURNWISEDATA, a scalable synthetic data generation pipeline. Training with this multi-turn data improved multi-turn conversational performance by up to 12.8 points on TURNWISEEVAL-Self without degrading single-turn abilities.

Key insights

  • A quantifiable performance gap exists between LLMs' single-turn and multi-turn conversational abilities, evident even in advanced models like GPT-4, which showed degraded multi-turn performance.
  • Synthetic multi-turn data, particularly from the TURNWISEDATA pipeline, effectively enhances multi-turn conversational performance and helps bridge the identified gap.
  • Preference-tuning with multi-turn data can significantly improve multi-turn abilities without negatively impacting a model's existing single-turn instruction-following or knowledge capabilities.

Summary by alphaXiv.

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