Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Kotatsu: History & Applications

A kotatsu (Japanese: 炬燵 or こたつ) is a low, wooden table frame covered by a futon, or heavy blanket, upon which a table top sits. Underneath is a heat source, formerly a charcoal brazier but now electric, often built into the table itself. Kotatsu are used almost exclusively in Japan, although similar devices for the same purpose of heating are used…

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

Kotatsu topic overview

The analysis highlights History and Applications as prominent areas in the source structure around Kotatsu.

Related topics
36
Source areas
5
Connected nodes
41
Extracted relationships
32
Concept neighborhoods
14
Bridge connections
41

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.

Other countries · 13 topics
Overview · 8 topics
History · 6 topics
Use · 5 topics
Types · 4 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

History

Types

Use

Other countries

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 Kotatsu connects Entity context

The extracted context around Kotatsu shows recurring relationship patterns in the source. For example, Kotatsu → Ashikaga, By, Charcoal, Edo, Its, Japan, Japanese, Muromachi, On, The, Then, These, This Another extracted example is Kotatsu → Families, Generally, Heating, In, Japanese, Most Japanese, The, This, Western. Use these groups to spot repeated connection types before inspecting the individual relationships.

Kotatsu

Top relations

related to history · 13
Kotatsu → Ashikaga, By, Charcoal, Edo, Its, Japan, Japanese, Muromachi, On, The, Then, These, This
related to Use · 9
Kotatsu → Families, Generally, Heating, In, Japanese, Most Japanese, The, This, Western
related to Types · 6
Kotatsu → Charcoal, Electric, Japan, The, There, This
related to External links · 3
Kotatsu → Media, Wikimedia Commons, Wiktionary-logo-en-v2
is a · 1
Kotatsu → relatively inexpensive way to stay warm in the winter

Important terminology

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

Important terminology

heating table used japanese charcoal placed blanket electric irori floor heater similar traditional around warm homes completely frame covered underneath

Kotatsu relationships Subject–Predicate–Object triples

TTTA extracted 32 structured relationships around Kotatsu. Examples in this analysis include Kotatsu → is a → relatively inexpensive way to stay warm in the winter and Kotatsu → related to External links → Wiktionary-logo-en-v2. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Kotatsuis arelatively inexpensive way to stay warm in the winter0.90text
Kotatsurelated to External linksWiktionary-logo-en-v20.60section
Kotatsurelated to External linksMedia0.60section
Kotatsurelated to External linksWikimedia Commons0.60section
Kotatsurelated to historyThe0.60section
Kotatsurelated to historyMuromachi0.60section
Kotatsurelated to historyAshikaga0.60section
Kotatsurelated to historyIts0.60section
Kotatsurelated to historyJapanese0.60section
Kotatsurelated to historyCharcoal0.60section
Kotatsurelated to historyBy0.60section
Kotatsurelated to historyJapan0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Kotatsu bring nearby vocabulary together. In this analysis, examples include Heating, Homes and Electric. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Kotatsu
    • Heating
    • Homes
    • Electric
    • Modern
    • Table
    • Used
    • Completely
    • Heater
    • Blanket
    • Placed
    • Attached
    • Frame
  • kotatsu
    • Heating
    • Homes
    • Electric
    • Modern
    • Table
    • Used
    • Completely
    • Heater
    • Blanket
    • Placed
    • Attached
    • Frame
  • japanese
    • Homes
    • Heating
    • Traditional
    • Kotatsu
    • Irori
    • Heat
    • Completely
    • Charcoal
    • Blanket
    • Table
    • Used
    • Countries
  • central heating
    • Used
    • Japanese
    • Kotatsu
    • Traditional
    • Korsi
    • Table
    • Attached
    • Body
    • Japan
    • May
    • Style
    • Completely
  • underfloor heating
    • Used
    • Japanese
    • Kotatsu
    • Traditional
    • Korsi
    • Table
    • Attached
    • Body
    • Japan
    • May
    • Style
    • Completely
  • blanket
    • Table
    • Top
    • Covered
    • Frame
    • Kotatsu
    • Japanese
    • Placed
    • Used
    • Korsi
    • Wooden
    • Body
    • Known
  • charcoal
    • Heat
    • Placed
    • Traditional
    • Irori
    • Floor
    • Japanese
    • Table
    • Top
    • Wooden
    • Heating
    • Attached
    • Hori-gotatsu
  • electric heater
    • Attached
    • Heater
    • Table
    • Heating
    • Frame
    • Used
    • Kotatsu
    • Placed
    • Korsi
    • Century
    • Heat
    • Japan

Connections between topic areas Semantic bridges

For Kotatsu, one of the stronger structural bridges in this analysis connects Kotatsu with Other countries. 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
Kotatsu — Other countries · splits 28 ⟂ 14
Kotatsu — Overview · splits 33 ⟂ 9
Kotatsu — History · splits 35 ⟂ 7
Kotatsu — Use · splits 36 ⟂ 6
Kotatsu — Types · splits 37 ⟂ 5

Map overview Semantic statistics

Kotatsu

Nodes42
Edges41
Triples32
Avg. degree1.95
Density0.047619
Components1

Source & methodology

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

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

For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.