Coreference annotation is an important, yet expensive and time consuming, task, which often involved expert annotators trained on complex decision guidelines. To enable cheaper and more efficient annotation, we present CoRefi, a web-based coreference annotation suite, oriented for crowdsourcing. Beyond the core coreference annotation tool, CoRefi provides guided onboarding for the task as well as a novel algorithm for a reviewing phase. CoRefi is open source and directly embeds into any website, including popular crowdsourcing platforms. CoRefi Demo: aka.ms/corefi Video Tour: aka.ms/corefivideo Github Repo: https://github.com/aribornstein/corefi
@article{arxiv.2010.02588,
title = {CoRefi: A Crowd Sourcing Suite for Coreference Annotation},
author = {Aaron Bornstein and Arie Cattan and Ido Dagan},
journal= {arXiv preprint arXiv:2010.02588},
year = {2020}
}