TAGLETS: A System for Automatic Semi-Supervised Learning with Auxiliary Data

• URL: http://arxiv.org/abs/2111.04798v2
• Date: Wed, 10 Nov 2021 15:33:24 GMT
• Title: TAGLETS: A System for Automatic Semi-Supervised Learning with Auxiliary Data
• Authors: Wasu Piriyakulkij and Cristina Menghini and Ross Briden and Nihal V. Nayak and Jeffrey Zhu and Elaheh Raisi and Stephen H. Bach
• Abstract summary: Machine learning practitioners often have access to a spectrum of data. We describe TAGLETS, a system built to study techniques for automatically exploiting all three types of data.
• Score: 8.653321928148545
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Machine learning practitioners often have access to a spectrum of data: labeled data for the target task (which is often limited), unlabeled data, and auxiliary data, the many available labeled datasets for other tasks. We describe TAGLETS, a system built to study techniques for automatically exploiting all three types of data and creating high-quality, servable classifiers. The key components of TAGLETS are: (1) auxiliary data organized according to a knowledge graph, (2) modules encapsulating different methods for exploiting auxiliary and unlabeled data, and (3) a distillation stage in which the ensembled modules are combined into a servable model. We compare TAGLETS with state-of-the-art transfer learning and semi-supervised learning methods on four image classification tasks. Our study covers a range of settings, varying the amount of labeled data and the semantic relatedness of the auxiliary data to the target task. We find that the intelligent incorporation of auxiliary and unlabeled data into multiple learning techniques enables TAGLETS to match-and most often significantly surpass-these alternatives. TAGLETS is available as an open-source system at github.com/BatsResearch/taglets.

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