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ExtraVision: Overview, Related Topics & Entities

ExtraVision was a teletext service created and operated by the American television network CBS in the early to mid-1980s. It was carried in the vertical blanking interval of the video from local affiliate stations of the CBS network. It featured CBS program information, news, sports, weather, even subtitling for CBS programming (much like page 888 in…

Language: English [EN]
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ExtraVision topic overview

The analysis highlights Overview, Related Topics and Entities as prominent areas in the source structure around ExtraVision.

Related topics
29
Source areas
1
Connected nodes
30
Extracted relationships
11
Concept neighborhoods
16
Bridge connections
30

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.

Overview · 29 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.

Developer
CBS
Discontinued
1988
Launch date
1983
Platform
NABTS
Status
Discontinued
Type
Teletext

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

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 ExtraVision connects Entity context

The extracted context around ExtraVision shows recurring relationship patterns in the source. For example, ExtraVision → America, ExtravisionEd Ellers, Print, Teletext, United States Another extracted example is ExtraVision → CBS. Use these groups to spot repeated connection types before inspecting the individual relationships.

ExtraVision

Top relations

related to External links · 5
ExtraVision → America, ExtravisionEd Ellers, Print, Teletext, United States
Developer · 1
ExtraVision → CBS
Discontinued · 1
ExtraVision → 1988
Launch date · 1
ExtraVision → 1983
Platform · 1
ExtraVision → NABTS
Status · 1
ExtraVision → Discontinued
Type · 1
ExtraVision → Teletext

Important terminology

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

Important terminology

cbs teletext affiliate service nbc programming also local stations system closed-captioning captioning using due services 1984 wgbh pbs kcet wbtv

ExtraVision relationships Subject–Predicate–Object triples

TTTA extracted 11 structured relationships around ExtraVision. Examples in this analysis include ExtraVision → Developer → CBS and ExtraVision → Discontinued → 1988. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
ExtraVisionDeveloperCBS1.00infobox
ExtraVisionDiscontinued19881.00infobox
ExtraVisionLaunch date19831.00infobox
ExtraVisionPlatformNABTS1.00infobox
ExtraVisionStatusDiscontinued1.00infobox
ExtraVisionTypeTeletext1.00infobox
ExtraVisionrelated to External linksPrint0.60section
ExtraVisionrelated to External linksExtravisionEd Ellers0.60section
ExtraVisionrelated to External linksTeletext0.60section
ExtraVisionrelated to External linksUnited States0.60section
ExtraVisionrelated to External linksAmerica0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around ExtraVision bring nearby vocabulary together. In this analysis, examples include Teletext, Service and Also. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • ExtraVision
    • Teletext
    • Service
    • Also
    • Cbs
    • Affiliate
    • Began
    • Carrying
    • Content
    • Early
    • Nabts
    • Pages
    • Provided
  • extravision
    • Teletext
    • Service
    • Also
    • Cbs
    • Affiliate
    • Began
    • Carrying
    • Content
    • Early
    • Nabts
    • Pages
    • Provided
  • cbs
    • Affiliate
    • Extravision
    • Teletext
    • Programming
    • Service
    • Deaf
    • Early
    • Information
    • Network
    • Provided
    • Wbtv
    • Captioning
  • british-based world system teletext
    • News
    • Joint
    • System
    • World
    • Using
    • American
    • Began
    • Content
    • Even
    • Information
    • Line
    • Nabts
  • local affiliate
    • Carrying
    • Pages
    • Local
    • Cbs
    • Also
    • Wbtv
    • Stations
    • Extravision
    • Information
    • Network
    • Program
    • Provided
  • nbc teletext
    • Nabts
    • World
    • Due
    • Services
    • Using
    • Also
    • Nbc
    • Teletext
    • Pbs
    • Wgbh
    • Stations
    • Began
  • line 21 closed-captioning
    • Closed-captioning
    • Line
    • Due
    • Nbc
    • Kcet
    • News
    • Pbs
    • Program
    • Wgbh
    • World
    • Teletext
    • Even
  • teletext
    • Nabts
    • World
    • Due
    • Services
    • Using
    • Also
    • Nbc
    • Began
    • Carrying
    • Content
    • Joint
    • Kcet

Connections between topic areas Semantic bridges

Bridges highlight paths between different parts of the ExtraVision map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Map overview Semantic statistics

ExtraVision

Nodes31
Edges30
Triples11
Avg. degree1.94
Density0.064516
Components1

Source & methodology

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

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

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