Research any topic before you write.

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

Kotatsu

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…

History & Applications

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around Kotatsu. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Topics to explore

Browse the full topic structure. 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.

Map overview Semantic statistics

Kotatsu

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

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

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 Word statistics

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

Entity relationships Subject–Predicate–Object triples

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

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.