Cited by 24Usability and User Interface DesignInteractive and Immersive DisplaysUser Authentication and Security Systems

JustCorrect: Intelligent Post Hoc Text Correction Techniques on Smartphones

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Cui, Wenzhe, Zhu, Suwen, Zhang, Mingrui Ray, Schwartz, H. Andrew, Wobbrock, Jacob O., Bi, Xiaojun·2020·Proceedings of the 33rd Annual ACM Symposium on User Interface Software and Technology

Abstract

Correcting errors in entered text is a common task but usually diffcult to perform on mobile devices due to tedious cursor navigation steps. In this paper, we present JustCorrect, an intelligent post hoc text correction technique for smartphones. To make a correction, the user simply types the correct text at the end of their current input, and JustCorrect will automatically detect the error and apply the correction in the form of an insertion or a substitution. In this way, manual navigation steps are bypassed, and the correction can be committed with a single tap. We solved two critical problems to support JustCorrect: (1) Correction Algorithm: we propose an algorithm that infers the user's correction intention from the last typed word. (2) Input Modalities: our study revealed that both tap and gesture were suitable input modalities for performing JustCorrect. Based on our fndings, we integrated JustCorrect into a soft keyboard. Our user studies show that using JustCorrect reduces the text correction time by 12.8% over the stock Android keyboard and by 9.7% over the "Type, then Correct" text correction technique by Zhang et al. (2019). Overall, JustCorrect complements existing post hoc text correction techniques, making error correction more automatic and intelligent.

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  • One study utilized the characters per minute (CPM) metric, while two other studies in the same paper did not report entry speed because the emphasis was on time required to correct errors already present in pre-entered text.

    “One study utilized the characters per minute (CPM) metric [85], while two other studies in the same paper [80] did not report on the entry speed, since the emphasis was on the time required to correct errors already present in the pre-entered text.”

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Research works printed but not linked: 3

  1. [1]Agirre Eneko, Cer Daniel, Diab Mona, Gonzalez-Agirre Aitor, and Guo Weiwei. 2013. *SEM 2013 shared task: Semantic Textual Similarity. In Second Joint Conference on Lexical and Computational Semantics (*SEM), Volume 1: Proceedings of the Main Conference and the Shared Task: Semantic Textual Similarity. Association for Computational Linguistics, Atlanta, Georgia, USA, 32– 43. https://www.aclweb.org/anthology/S13-1004
  2. [14]Heafeld Kenneth. 2011. KenLM: Faster and Smaller Language Model Queries. In Proceedings of the EMNLP 2011 Sixth Workshop on Statistical Machine Translation. Edinburgh, Scotland, United Kingdom, 187– 197. https://kheafield.com/papers/avenue/kenlm.pdf
  3. [43]Mingrui Ray Zhang and O. Jacob Wobbrock. 2020. Gedit: Keyboard gestures for mobile text editing. In Proceedings of Graphics Interface (GI ‘20) (GI ‘20). Canadian Information Processing Society, Toronto, Ontario, 97– 104.

Cited by

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Authors
Cui, W., Zhu, S., Zhang, M. R., Schwartz, H. A., Wobbrock, J. O., & Bi, X.
Affiliations
  • Stony Brook University (US)
  • University of Washington (US)
Venue
Proceedings of the 33rd Annual ACM Symposium on User Interface Software and Technology
Publisher
ACM
Published
2020-10-20
Volume
2020
Pages
487-499
OpenAlex
W3093820610
Cited by
24
References
35
Citations by year
2026: 3 · 2025: 9 · 2024: 1 · 2023: 2 · 2022: 6 · 2021: 3
FWCI
2.01
Type
conference paper
Language
en
Open access
Locations
  • ACM Symposium on User Interface Software and Technology (UIST) (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (publishedVersion)
Funders
  • NIH (R01EY030085)
  • NSF (CHS-1815514)
Topics
  • Physical Sciences › Computer Science › Human-Computer Interaction › Usability and User Interface Design
  • Physical Sciences › Computer Science › Human-Computer Interaction › Interactive and Immersive Displays
  • Physical Sciences › Computer Science › Information Systems › User Authentication and Security Systems
Keywords
mobile text entry, error correction, virtual keyboard

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