TITLE
Evaluating Retrieval Accuracy and Latency for Enterprise RAG Systems on FiQA

AUTHOR
Aleksandar Mihajlovic

ARTICLE TYPE
Research Article (or Short Report if offered)

SUGGESTED SUBJECTS
Computer science; Information retrieval; Artificial intelligence

KEYWORDS
retrieval-augmented generation; information retrieval; FiQA; BM25; dense retrieval; reciprocal rank fusion; latency; reproducibility

FILES
Upload the finalized FiQA_RAG_Research_Manuscript.docx as the main manuscript. Upload Supplementary_S1_Reproducibility.zip as supplementary material. Figure_1.png and Figure_1.pdf are included in that archive for a separate figure field if requested. The abstract is also available as ResearchSquare_Abstract.txt.

AUTHOR AND SUBMISSION DETAILS
Sole author: Aleksandar Mihajlovic.
Primary affiliation: Technical Faculty, Singidunum University, Belgrade, Serbia.
Funding: This study was funded personally by the author. No external funding or grant support was received.
Employment disclosure: The author is employed as an Associate Director - Forward Deployed Engineer at Modon Holding in Abu Dhabi, United Arab Emirates. This employment is disclosed as a potential competing interest. The views expressed in this article are the author's own.
The author confirmed his contributions and approved the manuscript on 21 October 2026.
Enter the author's preferred correspondence email in the submission form. Add an ORCID if available.
Use the finalized Word manuscript and this updated Supplementary File S1.

SCOPE
This is a completed computational retrieval experiment, not a live enterprise deployment or generated-answer evaluation. Its contribution is a reproducible comparison of specific configurations, not a new retrieval algorithm or a claim of state-of-the-art performance.

RESEARCH SQUARE
Research Square accepts DOC, DOCX, and PDF manuscripts. It requests title, abstract, authors, subject areas, keywords, article type, institution information, figures/supplements, and declarations. A competing-interest statement is required. Submission is publicly and permanently posted only after its screening process; acceptance is not guaranteed. A preprint is not a peer-reviewed journal article.
Source checked 21 October 2026: https://support.researchsquare.com/support/solutions/articles/6000271843-how-do-i-submit-a-preprint-

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