WIT: Wikipedia-based Image Text Dataset for Multimodal Multilingual Machine Learning

• URL: http://arxiv.org/abs/2103.01913v2
• Date: Wed, 3 Mar 2021 16:41:01 GMT
• Title: WIT: Wikipedia-based Image Text Dataset for Multimodal Multilingual Machine Learning
• Authors: Krishna Srinivasan, Karthik Raman, Jiecao Chen, Michael Bendersky, Marc Najork
• Abstract summary: We introduce the Wikipedia-based Image Text (WIT) dataset. WIT is composed of a curated set of 37.6 million entity rich image-text examples with 11.5 million unique images across 108 Wikipedia languages. WIT is the largest multimodal dataset by the number of image-text examples by 3x.
• Score: 19.203716881791312
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The milestone improvements brought about by deep representation learning and pre-training techniques have led to large performance gains across downstream NLP, IR and Vision tasks. Multimodal modeling techniques aim to leverage large high-quality visio-linguistic datasets for learning complementary information (across image and text modalities). In this paper, we introduce the Wikipedia-based Image Text (WIT) Dataset (https://github.com/google-research-datasets/wit) to better facilitate multimodal, multilingual learning. WIT is composed of a curated set of 37.6 million entity rich image-text examples with 11.5 million unique images across 108 Wikipedia languages. Its size enables WIT to be used as a pretraining dataset for multimodal models, as we show when applied to downstream tasks such as image-text retrieval. WIT has four main and unique advantages. First, WIT is the largest multimodal dataset by the number of image-text examples by 3x (at the time of writing). Second, WIT is massively multilingual (first of its kind) with coverage over 100+ languages (each of which has at least 12K examples) and provides cross-lingual texts for many images. Third, WIT represents a more diverse set of concepts and real world entities relative to what previous datasets cover. Lastly, WIT provides a very challenging real-world test set, as we empirically illustrate using an image-text retrieval task as an example.

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