arxivcs.CLcs.AIcs.IRcs.LGecon.GN2026-06-29
Field Order Should Not Matter: Permutation-Invariant Embedding Model Fine-Tuning for Structured Metadata Retrieval
Aivin V. Solatorio, Olivier Dupriez, Rafael Macalaba
We study retrieval over catalogs of structured metadata, where each record is a small schema whose fields answer different kinds of query. Embedding a record with a text encoder first serializes its fields into a string, which forces a choice of field order. We show this choice,…