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Ōi River: History, Geography, Measurement & Companies

The Ōi River (大井川, Ōi-gawa) is a A class river in Shizuoka Prefecture, Japan.

Language: English [EN]
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Ōi River topic overview

The analysis highlights History, Geography, Measurement and Companies as prominent areas in the source structure around Ōi River.

Related topics
51
Source areas
5
Connected nodes
56
Extracted relationships
73
Concept neighborhoods
26
Bridge connections
56

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.

History · 26 topics
Hydroelectric development · 16 topics
Geography · 5 topics
Overview · 2 topics
Tourism · 2 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.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Basin size
1,280 km2 (490 sq mi)
Bridges
Hōrai Bridge
Dams
Tashiro Dam
Length
168 km (104 mi)
Native name
大井川 (Japanese)
• average
76.40 m3/s (2,698 cu ft/s)

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

Geography

History

Hydroelectric development

Tourism

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 Ōi River connects Entity context

The extracted context around Ōi River shows recurring relationship patterns in the source. For example, Ōi River → Anglo-Japanese Hydroelectric Company, During, Electric, Fuji River, Great Depression, Hayakawa Denryoku, Hayakawa Electric, Hayakawa River, However, In, Its, Japan Electric Generation, Kiso River, Meiji, Nichiei Suiroku Denki, Nippon Hassoden, River, Shizuoka Prefecture, Tashiro Dam, Tenryū River Another extracted example is Ōi River → As, During, Edo, Hokusai, However, In, Kanaya-juku, Kyoto, Muromachi, Nara, River, Shimada-juku, Suruga Provinces, The, Tokugawa, Tōkaidō, Tōtōmi. Use these groups to spot repeated connection types before inspecting the individual relationships.

Ōi River

Top relations

related to Hydroelectric development · 27
Ōi River → Anglo-Japanese Hydroelectric Company, During, Electric, Fuji River, Great Depression, Hayakawa Denryoku, Hayakawa Electric, Hayakawa River, However, In, Its, Japan Electric Generation, Kiso River, Meiji, Nichiei Suiroku Denki, Nippon Hassoden, River, Shizuoka Prefecture, Tashiro Dam, Tenryū River
related to history · 17
Ōi River → As, During, Edo, Hokusai, However, In, Kanaya-juku, Kyoto, Muromachi, Nara, River, Shimada-juku, Suruga Provinces, The, Tokugawa, Tōkaidō, Tōtōmi
related to Geography · 11
Ōi River → Akaishi Mountains, Japanese Southern Alps, Nagano, Philippine Sea, River, Shizuoka, Suruga Bay, The, These, V-shaped, Yamanashi
related to Tourism · 4
Ōi River → Originally, Railway, River, The
• elevation · 2
Ōi River → 0 m (0 ft), 3,189 m (10,463 ft)
• location · 2
Ōi River → Mount Aino, Akaishi Mountains, Japan, Suruga Bay
Basin size · 1
Ōi River → 1,280 km2 (490 sq mi)
Bridges · 1
Ōi River → Hōrai Bridge
Dams · 1
Ōi River → Tashiro Dam
Length · 1
Ōi River → 168 km (104 mi)

Important terminology

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

Important terminology

river ōi dams dam japan electric mountains power company shizuoka prefecture tōkaidō japanese hydroelectric rivers suruga bridges tashiro 大井川 period

Ōi River relationships Subject–Predicate–Object triples

TTTA extracted 73 structured relationships around Ōi River. Examples in this analysis include Ōi River → Basin size → 1,280 km2 (490 sq mi) and Ōi River → Bridges → Hōrai Bridge. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Ōi RiverBasin size1,280 km2 (490 sq mi)1.00infobox
Ōi RiverBridgesHōrai Bridge1.00infobox
Ōi RiverDamsTashiro Dam1.00infobox
Ōi RiverLength168 km (104 mi)1.00infobox
Ōi RiverNative name大井川 (Japanese)1.00infobox
Ōi River• average76.40 m3/s (2,698 cu ft/s)1.00infobox
Ōi River• elevation3,189 m (10,463 ft)1.00infobox
Ōi River• elevation0 m (0 ft)1.00infobox
Ōi River• locationMount Aino, Akaishi Mountains, Japan1.00infobox
Ōi River• locationSuruga Bay1.00infobox
Hokusaiinstance ofAs depicted in contemporary ukiyo-e prints by artists0.80text
travelers crossed the river on bearers' shoulders or on horsebackinstance ofAs depicted in contemporary ukiyo-e prints by artists0.80text

Related concept clusters Concept neighborhoods

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

  • Ōi River
    • Ōi
    • Dams
    • Electric
    • Hydroelectric
    • Prefecture
    • Rivers
    • Shizuoka
    • Japan
    • Power
    • Dam
    • Development
    • Display
  • ōi river
    • Ōi
    • Dams
    • Electric
    • Hydroelectric
    • Prefecture
    • Rivers
    • Shizuoka
    • Japan
    • Power
    • Dam
    • Bridges
    • Development
  • a class river
    • Ōi
    • Dams
    • Electric
    • Bridges
    • However
    • Hydroelectric
    • Prefecture
    • Shizuoka
    • Suruga
    • Company
    • Japan
    • Power
  • shizuoka prefecture
    • 大井川
    • Hydroelectric
    • Prefecture
    • Shizuoka
    • Company
    • Japan
    • Akaishi
    • Bay
    • Bridge
    • Development
    • Display
    • Ft
  • akaishi mountains
    • Bay
    • Bridge
    • Development
    • Display
    • Ft
    • History
    • Hōrai
    • Inline
    • Japanese
    • Mouth
    • Mw-parser-output
    • Southern
  • suruga bay
    • Southern
    • Suruga
    • Bridge
    • Development
    • Display
    • Ft
    • History
    • Hōrai
    • Inline
    • Japanese
    • Mouth
    • Mw-parser-output
  • hōrai bridge
    • Hōrai
    • Bridges
    • Development
    • Display
    • Ft
    • History
    • Inline
    • Japanese
    • Mouth
    • Mw-parser-output
    • Southern
    • Upper
  • fuji river
    • Ōi
    • Dams
    • Electric
    • Bridges
    • However
    • Hydroelectric
    • Prefecture
    • Shizuoka
    • Suruga
    • Company
    • Japan
    • Power

Connections between topic areas Semantic bridges

For Ōi River, one of the stronger structural bridges in this analysis connects Ōi River with History. 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
Ōi RiverHistory · splits 30 ⟂ 27
Ōi RiverHydroelectric development · splits 40 ⟂ 17
Ōi RiverGeography · splits 51 ⟂ 6
Ōi RiverOverview · splits 54 ⟂ 3
Ōi RiverTourism · splits 54 ⟂ 3

Map overview Semantic statistics

Ōi River

Nodes57
Edges56
Triples73
Avg. degree1.96
Density0.035088
Components1

Source & methodology

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

Source: Wikipedia — Ōi River · EN edition · Analysis: TopicsToTalkAbout

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