Source record

Published by arXiv cs.HC (T1 source). The original is at https://arxiv.org/abs/2609.17842.

Pipeline notes

The summary and note below are generated by the signal pipeline — they are Beyond Desk’s reading, not quotations from the source.

Lexara-RF introduces 13 reference-free metrics for evaluating conversational visual analytics (CVA) agents, reformulating evaluation as verification via consistency, intent-alignment, and design-validity checks grounded in visualization theory and Gricean principles. Validated on a human-rated corpus, it matches reference-based formulations and outperforms NLG surface-similarity baselines.

Offers a practical evaluation alternative to costly curated benchmarks for CVA agents, with empirically validated metrics and grounded failure localization.

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