
How to Make xt850 Match xt 850
Manticore's version 23.0.0 introduces a solution for matching product searches like 'xt850' with 'xt 850' using bigram settings. This addresses a common issue where tokenization mismatches occur due to users removing spaces in model names. The article explains how to implement these settings to improve search accuracy in product catalogs.
- ▪Manticore can now match glued queries like 'xt850' with spaced tokens like 'xt 850' using bigram settings.
- ▪The problem arises from tokenization mismatches where indexed text is stored as separate terms.
- ▪The new bigram functionality allows for better indexing of adjacent token pairs to improve search results.
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| Original publisher | Manticoresearch |
| Canonical URL | https://manticoresearch.com/blog/how-to-make-searches-like-xt850-match-xt-850/ |
| Publication time | Tue, 26 May 2026 05:00:14 +0000 |
| Retrieval time | 2026-05-26T05:07:43.442Z |
| Last seen | 2026-05-26T05:07:43.442Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | 4tMBJUxYk6QB |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
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| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
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| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
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| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
How to Make xt850 Match xt 850Author: Sergey NikolaevPublished: May 04, 2026 - 7 Min readTL;DRSince version 23.0.0, Manticore can make searches like xt850 match xt 850 using bigram_delimiter together with digit-aware bigram_index modes.This solves a common tokenization mismatch in product search, where users remove spaces from model names but the source data stores them as separate tokens.Assumptions and verificationThis article assumes:RT tables created with SQL examples exactly as showndefault tokenization unless the example explicitly changes a settingASCII digits in model names, because second_numeric and second_has_digit are digit-aware modes built around 0-9All SQL examples and expected outputs in this article were verified against a real Manticore 23.0.0 instance before publishing,…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Manticoresearch.