Incubating Text Classifiers Following User Instruction with Nothing but LLM

• URL: http://arxiv.org/abs/2404.10877v2
• Date: Mon, 20 May 2024 07:42:53 GMT
• Title: Incubating Text Classifiers Following User Instruction with Nothing but LLM
• Authors: Letian Peng, Jingbo Shang,
• Abstract summary: We propose a framework to generate text classification data given arbitrary class definitions (i.e., user instruction) Our proposed Incubator is the first framework that can handle complicated and even mutually dependent classes.
• Score: 37.92922713921964
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In this paper, we aim to generate text classification data given arbitrary class definitions (i.e., user instruction), so one can train a small text classifier without any human annotation or raw corpus. Compared with pioneer attempts, our proposed Incubator is the first framework that can handle complicated and even mutually dependent classes (e.g., "TED Talk given by Educator" and "Other"). Specifically, Incubator is an LLM firstly tuned on the instruction-to-data mappings that we obtained from classification datasets and descriptions on HuggingFace together with in-context augmentation by GPT-4. We then refine Incubator by learning on the cluster centers of semantic textual embeddings to emphasize the uniformity and semantic diversity in generations. We compare Incubator on various classification tasks with strong baselines such as direct LLM-based inference and training data generation by prompt engineering. Experiments show Incubator is able to (1) perform well on traditional benchmarks, (2) take label dependency and user preference into consideration, and (3) enable logical text mining by incubating multiple classifiers.

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