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Jōhatsu: History & Measurement

Jōhatsu (Japanese: 蒸発（じょうはつ）, Hepburn: jōhatsu; lit. "evaporation") or jouhatsu refers to the people in Japan who purposely vanish from their established lives without a trace. This phenomenon can be seen all over the world, such as the United States, Canada, China, South Korea, the United Kingdom, and Germany.

Language: English [EN]
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Jōhatsu topic overview

The analysis highlights History and Measurement as prominent areas in the source structure around Jōhatsu.

Related topics
41
Source areas
6
Connected nodes
47
Extracted relationships
46
Concept neighborhoods
16
Bridge connections
47

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Industry · 12 topics
Overview · 11 topics
Motivation · 7 topics
Background · 5 topics
History · 3 topics
Prevalence · 3 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Background

History

Prevalence

Motivation

Industry

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Jōhatsu connects Entity context

The extracted context around Jōhatsu shows recurring relationship patterns in the source. For example, Jōhatsu → Detective, ID, Kamagasaki, One, Osaka, San'ya, Sometimes, The, There, These, Tokyo Another extracted example is Jōhatsu → Britain, Furthermore, However, In, In Japan, It, Japan, Japan's National Police Agency, Japanese, Support Association, The Missing Persons Search. Use these groups to spot repeated connection types before inspecting the individual relationships.

Jōhatsu

Top relations

related to Industry · 11
Jōhatsu → Detective, ID, Kamagasaki, One, Osaka, San'ya, Sometimes, The, There, These, Tokyo
related to Prevalence · 11
Jōhatsu → Britain, Furthermore, However, In, In Japan, It, Japan, Japan's National Police Agency, Japanese, Support Association, The Missing Persons Search
related to Criticism · 8
Jōhatsu → Although, English, In, Japan, Japan's, Japanese, The, The Monocle
related to background · 7
Jōhatsu → Furthermore, It, Japan, Japan's, Japanese, Similar, Suicide
related to Motivation · 5
Jōhatsu → In, People, Sometimes, The, When
related to history · 3
Jōhatsu → At, The, The Lost Decade
is a · 1
Jōhatsu → way to just have a fresh start

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

people japan missing persons suicide japanese 000 phenomenon found also japan's used disappear year sometimes yonige-ya jouhatsu without cases factors

Jōhatsu relationships Subject–Predicate–Object triples

TTTA extracted 46 structured relationships around Jōhatsu. Examples in this analysis include Jōhatsu → is a → way to just have a fresh start and Jōhatsu → related to background → It. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Jōhatsuis away to just have a fresh start0.90text
Jōhatsurelated to backgroundIt0.60section
Jōhatsurelated to backgroundJapan's0.60section
Jōhatsurelated to backgroundJapan0.60section
Jōhatsurelated to backgroundFurthermore0.60section
Jōhatsurelated to backgroundJapanese0.60section
Jōhatsurelated to backgroundSuicide0.60section
Jōhatsurelated to backgroundSimilar0.60section
Jōhatsurelated to CriticismThe Monocle0.60section
Jōhatsurelated to CriticismIn0.60section
Jōhatsurelated to CriticismJapan0.60section
Jōhatsurelated to CriticismJapanese0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Jōhatsu bring nearby vocabulary together. In this analysis, examples include Japan, People and Become. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Jōhatsu
    • Japan
    • People
    • Become
    • Suicide
    • Often
    • Cases
    • Japan's
    • Used
    • Day
    • Prevalence
    • Taboo
    • Concept
  • jōhatsu
    • Japan
    • People
    • Become
    • Suicide
    • Often
    • Cases
    • Japan's
    • Used
    • Day
    • Prevalence
    • Taboo
    • Concept
  • japan
    • Year
    • Missing
    • Jōhatsu
    • People
    • Taboo
    • Media
    • Phenomenon
    • Japanese
    • Persons
    • Half
    • Often
    • Prevalence
  • missing persons
    • Persons
    • Year
    • Half
    • Concept
    • Found
    • Police
    • People
    • Annually
    • Day
    • Hikikomori
    • One
    • Cases
  • japanese
    • Annually
    • Seen
    • Taboo
    • Japan
    • Concept
    • Jouhatsu
    • Without
    • People
    • Disappear
    • Phenomenon
    • Missing
    • Jōhatsu
  • japan's harsh work culture
    • Media
    • Found
    • Often
    • Police
    • Prevalence
    • Year
    • Persons
    • Jōhatsu
    • Missing
  • debt collectors
    • Escape
    • Factors
    • Jobs
    • Sometimes
    • Used
    • Suicide
    • Jōhatsu
  • a relatively high suicide rate
    • Concept
    • Magazine
    • Taboo
    • Suicide
    • Sometimes
    • Found

Connections between topic areas Semantic bridges

For Jōhatsu, one of the stronger structural bridges in this analysis connects Jōhatsu with Industry. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Jōhatsu — Industry · splits 35 ⟂ 13
Jōhatsu — Overview · splits 36 ⟂ 12
Jōhatsu — Motivation · splits 40 ⟂ 8
Jōhatsu — Background · splits 42 ⟂ 6
Jōhatsu — History · splits 44 ⟂ 4
Jōhatsu — Prevalence · splits 44 ⟂ 4

Map overview Semantic statistics

Jōhatsu

Nodes48
Edges47
Triples46
Avg. degree1.96
Density0.041667
Components1

Source & methodology

TTTA analyzes the structure around Jōhatsu to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Jōhatsu · EN edition · Analysis: TopicsToTalkAbout

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