| Vol-2944 urn:nbn:de:0074-2944-6 Copyright © 2021 for the individual papers by the papers' authors. Copyright © 2021 for the volume as a collection by its editors. This volume and its papers are published under the Creative Commons License Attribution 4.0 International (CC BY 4.0).

# CTTS 2021
Current Trends in Text Simplification

### Proceedings of the First Workshop on Current Trends in Text Simplification (CTTS 2021)
co-located with the 37th Conference of the Spanish Society for Natural Language Processing (SEPLN2021)

### Online (initially located in Málaga, Spain), September 21st, 2021.

Edited by

### Horacio Saggion *
Sanja Štajner **
Daniel Ferrés*
Kim Cheng Sheang *

* LaSTuS-TALN, Universitat Pompeu Fabra, Barcelona, Spain
** Symanto Research, Germany

## Table of Contents

- Preface
  Summary: 6 papers were accepted for this volume.

### Invited Talks

- What if the whole is greater than the sum of the parts? Modelling Complex (Multiword) Expressions (invited paper) 1-10
  Aline Villavicencio
- Human-Computer Interaction and Automatic Text Simplification: Understanding the Perspective of Deaf and Hard of Hearing Users (abstract) 11-11
  Matt Huenerfauth

### Regular papers

- Gradient Boosted Trees for Identification of Complex Words in Context 12-28
  Raksha Agarwal, Niladri Chatterjee
- Exploration of Spanish Word Embeddings for Lexical Simplification 29-41
  Rodrigo Alarcon, Lourdes Moreno, Paloma Martínez
- DEPSYM: A Lightweight Syntactic Text Simplification Approach using Dependency Trees 42-56
  Niladri Chatterjee, Raksha Agarwal
- The Role of Text Simplification Operations in Evaluation 57-69
  Laura Vásquez-Rodríguez, Matthew Shardlow, Piotr Przybyła, Sophia Ananiadou
- Linguistic Capabilities for a Checklist-based evaluation in Automatic Text Simplification 70-83
  Oscar M. Cumbicus-Pineda, Itziar Gonzalez-Dios, Aitor Soroa
- When the Scale is Unclear – Analysis of the Interpretation of Rating Scales in Human Evaluation of Text Simplification 84-95
  Regina Stodden

2021-09-09: submitted by Kim Cheng Sheang, metadata incl. bibliographic data published under Creative Commons CC0
2021-09-16: published on CEUR Workshop Proceedings (CEUR-WS.org, ISSN 1613-0073) |valid HTML5|