Keyphrase Generative Representation of Youth Crisis Conversations Beyond Static Taxonomies

In three linesAnalysis of 703,975 youth crisis SMS conversations (Kids Help Phone, 2018-2023). Introduces Keyphrase Generative Representation (KGR), a constrained LLM generating context-specific keyphrases. Taxonomy expanded from 19 to 39 labels with 0.96 accuracy. KGR identifies 81% accurate keyphrases and improves topic-retrieval workflow (+0.45 accuracy vs manual process).

Summary generated by Claude — human-verified