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    <titleInfo>
        <title>The Pitfalls of Defining Hallucination</title>
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    <name type="personal">
        <namePart type="given">Kees</namePart>
        <namePart type="family">van Deemter</namePart>
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    <abstract>Despite impressive advances in Natural Language Generation (NLG) and Large Language Models (LLMs), researchers are still unclear about important aspects of NLG evaluation. To substantiate this claim, I examine current classifications of hallucination and omission in data-text NLG, and I propose a logic-based synthesis of these classfications. I conclude by highlighting some remaining limitations of all current thinking about hallucination and by discussing implications for LLMs.</abstract>
    <identifier type="citekey">deemter-2024-pitfalls</identifier>
    <identifier type="doi">10.1162/coli_a_00509</identifier>
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        <url>https://aclanthology.org/2024.cl-2.10</url>
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        <date>2024-06</date>
        <detail type="volume"><number>50</number></detail>
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%0 Journal Article
%T The Pitfalls of Defining Hallucination
%A van Deemter, Kees
%J Computational Linguistics
%D 2024
%8 June
%V 50
%N 2
%I MIT Press
%C Cambridge, MA
%F deemter-2024-pitfalls
%X Despite impressive advances in Natural Language Generation (NLG) and Large Language Models (LLMs), researchers are still unclear about important aspects of NLG evaluation. To substantiate this claim, I examine current classifications of hallucination and omission in data-text NLG, and I propose a logic-based synthesis of these classfications. I conclude by highlighting some remaining limitations of all current thinking about hallucination and by discussing implications for LLMs.
%R 10.1162/coli_a_00509
%U https://aclanthology.org/2024.cl-2.10
%U https://doi.org/10.1162/coli_a_00509
%P 807-816

Markdown (Informal)

[The Pitfalls of Defining Hallucination](https://aclanthology.org/2024.cl-2.10) (van Deemter, CL 2024)

• The Pitfalls of Defining Hallucination (van Deemter, CL 2024)

ACL

• Kees van Deemter. 2024. The Pitfalls of Defining Hallucination. Computational Linguistics, 50(2):807–816.