Cross-lingual search: validate one shared index before trusting 40 languages

One shared multilingual index can serve 40 languages without a translation step—validate recall@10 with a 100-query cross-lingual probe before shipping. Independent technical note mirroring the canonical version: https://indexical.dev/blog/cross-lingual-search-validate-one-shared-index-before-trusting-40-languages.php

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-11-07
DOI
https://doi.org/10.5281/zenodo.24044624
Primary Topic
Information Retrieval and Search Behavior
Type
preprint
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Cross-lingual search: validate one shared index before trusting 40 languages

Travis Jordan
Zenodo (CERN European Organization for Nuclear Research)
Information Retrieval and Search Behavior
preprint

Cross-lingual search: validate one shared index before trusting 40 languages

Travis Jordan
preprint en

Abstract

One shared multilingual index can serve 40 languages without a translation step—validate recall@10 with a 100-query cross-lingual probe before shipping. Independent technical note mirroring the canonical version: https://indexical.dev/blog/cross-lingual-search-validate-one-shared-index-before-trusting-40-languages.php

Zenodo (CERN European Organization for Nuclear Research)
Information Retrieval and Search Behavior
DOIOpen Access PDFOpenAlex
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Cross-lingual search: validate one shared index before trusting 40 languages — Travis Jordan · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS