AI SEARCH CITATION-SOURCE RESEARCH

CITATION-SOURCE RESEARCHPrimary study + contextual study

Japanese AI-search citation-source distribution research

In the fixed 30-question Japanese B2B primary study from Netsujo SIGNAL Lab, 129 of 137 citations (94%) came from official domains. The publisher-reported search condition is shown on the primary-study card, while Optyino.ai / Wallabee remains a separate contextual study with its own denominators.

Netsujo SIGNAL Lab r2

Primary-study conditions

Primary study

The page centers on publisher-reported facts from Netsujo SIGNAL Lab. The summary cards and tables keep the primary-study denominators separate from the contextual-study denominators.

Fixed questions
30
30 Japanese B2B procurement questions
Search condition
gpt-4o
OpenAI Web Search / r2 forced-search
Total citations
137
Publisher-reported Netsujo citations
Official-domain citations
129 / 137
129 / 137 citations (94%)
Unique domains
133
133 unique domains

Primary-study citation-source distribution

This table uses the Netsujo primary-study denominator of 137 citations. It displays the publisher-reported percentage text directly.

Netsujo SIGNAL Lab r2 citation-source distribution across 137 citations
Citation-source classificationCount / denominatorPublisher percentage
Official domains of companies and service providers129 / 13794%
Third-party comparison, roundup, and information media5 / 1374%
Could not classify because retrieval failed3 / 1372%

Six published query categories

The next table shows how the primary-study 137 citations are distributed across the six published Japanese B2B query categories.

Netsujo SIGNAL Lab r2 citation counts by published Japanese B2B query category
Query categoryCount / denominator
System development25 / 137
SaaS selection15 / 137
AI adoption23 / 137
Web and SEO24 / 137
Manufacturing and procurement26 / 137
Professional services24 / 137

Official-domain page-type distribution

This table uses only the 129 official-domain citations as its denominator. It is not pooled with the 137 total citations or the Optyino answer and URL denominators.

Netsujo SIGNAL Lab r2 official-domain page types across 129 official-domain citations
Official-domain page typeCount / denominator
Service and company pages100 / 129
Explanatory and comparison articles on official domains27 / 129
Pages currently returning 404 (broken links)2 / 129

Optyino.ai / Wallabee

Independent contextual study: PR URL presence

Contextual study

Optyino.ai / Wallabee is a different large-scale study design. It separately reports answer counts and deduplicated citation URLs, so the page treats it as context rather than a pooled extension of the Netsujo study.

Answers
81,895
Deduplicated citation URLs
704,963
PR URL share
15,512 / 704,963
2.20%
Answers with PR
12,322 / 81,895
15.05%

Source links

The page separates the primary source from the independent contextual source. Any practical reading on the page is kept distinct from these fact rows.

Netsujo SIGNAL Lab r2

Netsujo SIGNAL Lab primary source

factPrimary study
Open source

Optyino.ai / Wallabee

Optyino.ai / Wallabee contextual source

factContextual study
Open source

Practical observations

Limitations

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