Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor 2026-10 Association for Computational Linguistics Budapest, Hungary text conference publication 979-8-89176-481-1 wac-2026-1 https://aclanthology.org/2026.wac-1.0/ CHALIS: A Challenge Dataset for Language Identification in Difficult Scenarios Michal Tichý author Jindřich Libovický author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 tichy-libovicky-2026-chalis https://aclanthology.org/2026.wac-1.1/ 2026-10 1 7 The CreateDebate Arguments Dataset: A Large-Scale Naturalistic Corpus for Computational Argumentation Antonis Charalampous author Constantinos Djouvas author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 charalampous-djouvas-2026-createdebate https://aclanthology.org/2026.wac-1.2/ 2026-10 8 21 Who Published This Headline? Editorial Fingerprinting in French News Under Topic Control Amr Sobhy author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 sobhy-2026-published https://aclanthology.org/2026.wac-1.3/ 2026-10 22 36 A Taxonomy of Programming Languages for Code Generation Nishat Raihan author Christian Newman author Marcos Zampieri author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 raihan-etal-2026-taxonomy https://aclanthology.org/2026.wac-1.4/ 2026-10 37 52 What Persists across Web Crawls? Genre and News Topic Variation in South Slavic Web Corpora Nikola Ljubešić author Vuk Dinić author Peter Rupnik author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 ljubesic-etal-2026-persists https://aclanthology.org/2026.wac-1.5/ 2026-10 53 59 HPLT3-PerRef: A Refined Large-Scale Persian Web Corpus via Supervised Document Quality Filtering Alireza Razzaghi author Tomasz Galica author Erik Henriksson author Veronika Laippala author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 razzaghi-etal-2026-hplt3 https://aclanthology.org/2026.wac-1.6/ 2026-10 60 69 Host-Aware Web Crawling for LLM Pretraining Data Malte Ostendorff author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 ostendorff-2026-host https://aclanthology.org/2026.wac-1.7/ 2026-10 70 87 Auditing Source Exposure in Baidu and Google AI Search Yibo Li author Enci Guan author Yuedan Cai author Geng Liu author Francesco Pierri author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 li-etal-2026-auditing https://aclanthology.org/2026.wac-1.8/ 2026-10 88 99 Lost in Translation: Structured-Span Corruption in Machine-Translated Multilingual Web Corpora Ruiyang Zhang author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 zhang-2026-lost https://aclanthology.org/2026.wac-1.9/ 2026-10 100 106 Counting Documents Is Not Counting Text: Unit Bias in Web-PDF Corpus Statistics Luca Foppiano author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 foppiano-2026-counting https://aclanthology.org/2026.wac-1.10/ 2026-10 107 114 Is Educational Content Enough? The Linguistic and Thematic Effects of Educational Filtering Urho Kunnas author Veronika Laippala author Sampo Pyysalo author Tomasz Galica author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 kunnas-etal-2026-educational https://aclanthology.org/2026.wac-1.11/ 2026-10 115 130 WiNCC: A Reproducible Pipeline for Constructing a Wikipedia-enriched Nepali Cross-lingual Corpus Ahrnish P Dahal author Pushkar Baranwal author Amit Pundir author Geetika Jain Saxena author Sanjeev Singh author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 dahal-etal-2026-wincc https://aclanthology.org/2026.wac-1.12/ 2026-10 131 138 Mapping Sámi Languages in a Norwegian National Web Crawl: Results from a Representativeness Study Magnus Breder Birkenes author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 birkenes-2026-mapping https://aclanthology.org/2026.wac-1.13/ 2026-10 139 146 Towards More Reliable Web Metadata: Do Register Classifiers Learn Register or Genre Features? Antti Kanner author Tuomas Lundberg author Erik Henriksson author Veronika Laippala author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 kanner-etal-2026-towards https://aclanthology.org/2026.wac-1.14/ 2026-10 147 160 Same Pages, Cleaner Labels: Language Identification for Eight Low-Resource Languages in mC4 and FineWeb-2 Gary Zhang author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 zhang-2026-pages https://aclanthology.org/2026.wac-1.15/ 2026-10 161 169 How Many Duplicates Are Left? Capture-Recapture and Sampling Inversion for Residual Duplication in FineWeb Gary Zhang author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 zhang-2026-many https://aclanthology.org/2026.wac-1.16/ 2026-10 170 181 Using Search Engines to Trace Metalinguistic Discussions of the Noun “Female” in Digital Discourse Marie Flesch author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 flesch-2026-using https://aclanthology.org/2026.wac-1.17/ 2026-10 182 191 Keeping the Ums: Conversation-Analysis-Informed Verbatim ASR for Web Speech Steven Coats author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 coats-2026-keeping https://aclanthology.org/2026.wac-1.18/ 2026-10 192 199 Segment-Level Register Analysis of the Multilingual Web Erik Henriksson author Alireza Razzaghi author Tomasz Galica author Jiaqi Feng Guo author Anastasia Zhi-Ling Dong author Urho Kunnas author Erofili Psaltaki author Tuomas Lundberg author Antti Kanner author Veronika Laippala author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 henriksson-etal-2026-segment https://aclanthology.org/2026.wac-1.19/ 2026-10 200 213 Invisible on the Web: An Audit of Low-Resource Muskogean Languages in Web-Crawled Corpora Sharvin Goyal author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 goyal-2026-invisible https://aclanthology.org/2026.wac-1.20/ 2026-10 214 219 The Crawl Gap: Where Endangered-Language Web Content Is Lost Before It Reaches a Corpus Sharvin Goyal author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 goyal-2026-crawl https://aclanthology.org/2026.wac-1.21/ 2026-10 220 223 You Can Tell Who’s Asking: What the Web’s Questions Are Made Of, and Where They Come From Calvin Zhou author Vincent McCloskey author Krishna Srinivasan author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 zhou-etal-2026-tell https://aclanthology.org/2026.wac-1.22/ 2026-10 224 237 Wiktionary as a Crowdsourced Lexicon for English Dialects Sidney Wong author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 wong-2026-wiktionary https://aclanthology.org/2026.wac-1.23/ 2026-10 238 251 Task-Agnostic Web Document Annotation with LLM-Generated Descriptors Otto Tarkka author Erik Henriksson author Jenna Kanerva author Filip Ginter author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 tarkka-etal-2026-task https://aclanthology.org/2026.wac-1.24/ 2026-10 252 281 PAWN++ in the Wild: Evaluating AI-Generated Text Detection on the Web Oleg Chernikov author Evgenii Ptitsyn author Albina Burlova author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 chernikov-etal-2026-pawn https://aclanthology.org/2026.wac-1.25/ 2026-10 282 296 Extraction Changes the Route: Main-Content Extraction and Language Identification in Web Corpora Toprak Seda Karaosmanoğlu author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 karaosmanoglu-2026-extraction https://aclanthology.org/2026.wac-1.26/ 2026-10 297 307 CeyNews: A Sri Lankan Trilingual News Corpus Ajintha Sivakulasingam author Kengatharaiyer Sarveswaran author Tharindu Ranasinghe author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 sivakulasingam-etal-2026-ceynews https://aclanthology.org/2026.wac-1.27/ 2026-10 308 319 Probing Pretraining “Quality”: Sociolinguistic Mobility as a Lens on Web Corpus Filters Jessica Wang author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 wang-2026-probing https://aclanthology.org/2026.wac-1.28/ 2026-10 320 330 A Web-Derived Typology of Multimodal Infant Crying: Taxonomy, a Text-Only Web-Corpus Comparison, and Ethical Issues Jacob Rigal author Jonathan Ginzburg author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 rigal-ginzburg-2026-web https://aclanthology.org/2026.wac-1.29/ 2026-10 331 346 Whose Robots.txt? Consent-Infrastructure Inequality Across the Languages of Web Corpora Gary Zhang author Austin Cheng author 2026-10 text Proceedings of the 13th Web-as-Corpus Workshop Pedro Ortiz Suarez editor Laurie Burchell editor Nikola Ljubešić editor Yves Scherrer editor Veronika Laippala editor Vuk Dinić editor Thom Vaughan editor Association for Computational Linguistics Budapest, Hungary conference publication 979-8-89176-481-1 zhang-cheng-2026-whose https://aclanthology.org/2026.wac-1.30/ 2026-10 347 355