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Writerslogic at the CLEF 2026 SimpleText Track: Multi-Candidate LLM Simplification and Stacked Complexity Spotting

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Computer Science > Computation and Language

arXiv:2610.03567 (cs)
[Submitted on 2 Oct 2026]

Title:Writerslogic at the CLEF 2026 SimpleText Track: Multi-Candidate LLM Simplification and Stacked Complexity Spotting

View a PDF of the paper titled Writerslogic at the CLEF 2026 SimpleText Track: Multi-Candidate LLM Simplification and Stacked Complexity Spotting, by David L. Condrey
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Abstract:We describe the Writerslogic team's participation in the CLEF 2026 SimpleText shared task, addressing Task 1 (text simplification) and Task 2 (complexity spotting). For Task 1, we develop a multi-candidate generation pipeline using GPT-4o-mini that produces five simplification candidates per sentence at varying temperatures, then selects the best candidate using a reference-free scoring heuristic that rewards compression, source word retention, Cochrane Plain Language Summary vocabulary usage, and lexical simplicity. On Task 1.1 (sentence-level simplification), our Claude Sonnet 4 submission achieves SARI 47.43 and BLEU 14.21, the top-ranked sentence-level system (3rd on the combined Task 1 leaderboard, behind two document-level submissions). For Task 2, we fine-tune a DeBERTa-v3-large NLI model on 350K labeled (source, sentence) pairs, framing hallucination detection as natural language inference. The model reads the most relevant source sentence as premise and the candidate as hypothesis, directly learning to distinguish grounded from hallucinated content. On Task 2.1 (binary overgeneration identification), our fine-tuned DeBERTa system achieves 0.8081 document-level macro F1 (0.8085 in our best ensemble), the top-ranked entry within the identification track and 2nd among teams overall, behind AIIR Lab (0.8197). On Task 2.2 (multi-class error classification), our best submission reaches 0.804 multiclass accuracy, ranking 2nd among unique teams behind AIIR Lab (0.827). We evaluate both tasks on English and multilingual biomedical text from Cochrane systematic reviews.
Comments: 11 pages, 3 tables. Notebook for the SimpleText Lab at CLEF 2026. Code: this https URL
Subjects: Computation and Language (cs.CL)
MSC classes: 68T50, 68T05
ACM classes: I.2.7; I.2.6
Cite as: arXiv:2610.03567 [cs.CL]
  (or arXiv:2610.03567v1 [cs.CL] for this version)
  https://doi.org/10.48550/arXiv.2610.03567
arXiv-issued DOI via DataCite (pending registration)
Journal reference: CLEF 2026 Working Notes, CEUR Workshop Proceedings, pp. 6068-6078

Submission history

From: David L. Condrey [view email]
[v1] Fri, 2 Oct 2026 16:44:53 UTC (126 KB)
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