Research any topic before you write.

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

B2 (classification)

B2 is a medical based Paralympic classification for blind sport. Competitors in this classification have vision that falls between the B1 and B3 classes. The International Blind Sports Federation (IBSA) defines this classification as "visual acuity ranging from LogMAR 1.50 to 2.60 (inclusive) and/or visual field constricted to a diameter of less than 10…

History, Overview & Governance

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 B2 (classification). 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

Definition

Governance

History

Equipment

Rules

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

B2 (classification)

Nodes53
Edges52
Triples2
Avg. degree1.96
Density0.037736
Components1

How this topic connects Entity context

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

Important terminology Word statistics

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

Important terminology

classification blind sports class ibsa sport guide may competitors guides paralympic international runner athletics visual used b2 including handled use

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the long jump or discusinstance ofFor field events0.80text
a caller may be usedinstance ofFor field events0.80text

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.