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Deep Learning and Natural Language Processing Research: Technological Evolution and Frontier Exploration of Hallucination Problems

2025· article· W4416390090 on OpenAlexaff
Nuo Chen

Bibliographic record

VenueApplied and Computational Engineering · 2025
Typearticle
Language
FieldPsychology
TopicMental Health via Writing
Canadian institutionsDalhousie University
Fundersnot available
KeywordsMeaning (existential)Representation (politics)FrontierCredibilityDeep learningControl (management)Natural language

Abstract

fetched live from OpenAlex

With the virtue of large language models (LLMs) being applied in a growing number of fields, from text generation to medical support and financial analysis, the issue of "hallucination" has gained more and more recognition. For the given instances, "hallucination" can be explained with respect to artificial intelligence outputs that imitate coherent and convincing statements regardless of the underlying fact. Continuity of such lapses not only can undermine credibility in LLMs, but also may catalyze problems in numerous strategies, such as law, health care, or education. This paper provides a critical analysis of the currently available methods of preventing hallucinations in LLMs by outlining the retrieval-augmented generation (RAG) technique, verification frameworks, and planning-based strategies. The paper particularly deals with the TruthX reformulation displayed at ACL 2024, which essentially means redefining the meaning of factualism via representation editing. This dialogue is rounded off by stressing the ongoing problems and future growth routes, while suggesting that multiple methods, human cooperation, and efficient representation control altogether can lay the foundation for many more faithful and traceable language models.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.008
metaresearch head score (Gemma)0.019
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: Theoretical or conceptual
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.008
Threshold uncertainty score0.043

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0080.019
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.002
Science and technology studies0.0010.009
Scholarly communication0.0040.011
Open science0.0010.003
Research integrity0.0030.006
Insufficient payload (model declined to judge)0.0020.001

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.026
GPT teacher head0.333
Teacher spread0.307 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designTheoretical or conceptual
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes1
Has abstractyes

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