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Opus card: History, Standards & Art

Opus (stylized as OPUS) is a rechargeable, dual interface (contact/contactless) smart card automated fare collection system using the Calypso Standard and is used by major public transit operators in Greater Montreal and Quebec City, Quebec, Canada. It complies with the ISO/IEC 14443 standard for smartcards and can be read by smartphones with an NFC antenna.

Language: English [EN]
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Opus card topic overview

The analysis highlights History, Standards and Art as prominent areas in the source structure around Opus card. 1 topic appears in more than one source area, which can help identify connections that are less obvious in a linear reading.

Related topics
43
Source areas
8
Connected nodes
52
Extracted relationships
86
Concept neighborhoods
32
Bridge connections
52

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 · 12 topics
Overview · 9 topics
Fare collection · 7 topics
Fares · 5 topics
Points of sale · 5 topics
Participating transit authorities · 4 topics
Card types · 1 topics
Criticisms · 1 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.

Location
Quebec, Canada
Launched
2008–2009
Validity
Exo · Réseau express métropolitain · Société de transport de Montréal · Société de transport de Laval · Réseau de transport de Longueuil

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

Card types

  • CAD Canadian dollar

Fares

Points of sale

Fare collection

Participating transit authorities

Criticisms

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 Opus card connects Entity context

The extracted context around Opus card shows recurring relationship patterns in the source. For example, Opus card → Autobus, By, CAM, Carte, Commission, In, Montreal, Montréal, Métro, October, Opus, Société, STM, To, TRain, TRAM, Transfers, When Another extracted example is Opus card → Android, ARTM, ARTM's, Bixi, Céleste, Fare, In, In October, On June, Opus, Project Céleste, STM, STM's, The STM. Use these groups to spot repeated connection types before inspecting the individual relationships.

Opus card

Top relations

related to Prior to Opus · 18
Opus card → Autobus, By, CAM, Carte, Commission, In, Montreal, Montréal, Métro, October, Opus, Société, STM, To, TRain, TRAM, Transfers, When
related to Project Concerto · 14
Opus card → Android, ARTM, ARTM's, Bixi, Céleste, Fare, In, In October, On June, Opus, Project Céleste, STM, STM's, The STM
related to Reloadable Opus card · 14
Opus card → ABC, ABCD, All Modes AB, ARTM, CAD, Durable, Greater Montreal, ID, In, Opus, Reduced, The ARTM, They, When
related to Criticisms · 11
Opus card → Android, April, In August, McGill, NFC, Opus, STM, The ARTM, The Opus, USB, When
related to Fare collection · 11
Opus card → An Opus, Brossard, Card, Lionel-Groulx Metro, Longueuil, Lévis, Opus, REM, Saint-Hubert, Société, There
Validity · 8
Opus card → Exo, Réseau de transport de la Capitale, Réseau de transport de Longueuil, Réseau express métropolitain, Société de transport de Laval, Société de transport de Lévis, Société de transport de Montréal, Transport MRC de Joliette
related to Former participants · 7
Opus card → Agence, Bixi, Exo, Montreal, Opus, The, These
Launched · 1
Opus card → 2008–2009
Location · 1
Opus card → Quebec, Canada
Website · 1
Opus card → carteopus.info

Important terminology

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

Important terminology

opus card fares cards transit stm fare project montreal transport de buses system exo metro artm 2008 reader bus using

Opus card relationships Subject–Predicate–Object triples

TTTA extracted 86 structured relationships around Opus card. Examples in this analysis include Opus card → Launched → 2008–2009 and Opus card → Location → Quebec, Canada. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Opus cardLaunched2008–20091.00infobox
Opus cardLocationQuebec, Canada1.00infobox
Opus cardValidityExo1.00infobox
Opus cardValidityRéseau express métropolitain1.00infobox
Opus cardValiditySociété de transport de Montréal1.00infobox
Opus cardValiditySociété de transport de Laval1.00infobox
Opus cardValidityRéseau de transport de Longueuil1.00infobox
Opus cardValidityRéseau de transport de la Capitale1.00infobox
Opus cardValiditySociété de transport de Lévis1.00infobox
Opus cardValidityTransport MRC de Joliette1.00infobox
Opus cardWebsitecarteopus.info1.00infobox
Opus cardrelated to CriticismsThe Opus0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around Opus card bring nearby vocabulary together. In this analysis, examples include Card, Opus and Cards. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Opus card
    • Card
    • Opus
    • Cards
    • Fares
    • Transit
    • Montreal
    • Reader
    • System
    • Station
    • Using
    • Stm
    • Metro
  • opus card
    • Card
    • Opus
    • Reader
    • Cards
    • Fares
    • Transit
    • Fare
    • Montreal
    • System
    • Smart
    • Station
    • New
  • smart card
    • Opus
    • Reader
    • Fares
    • Fare
    • Transit
    • System
    • Smart
    • Station
    • New
    • Metro
    • Montreal
    • Collection
  • automated fare collection
    • Collection
    • Fare
    • Métropolitain
    • Quebec
    • Turnstiles
    • Montreal
    • Réseau
    • Smart
    • Transit
    • Greater
    • New
    • Metro
  • public transit
    • System
    • Local
    • Project
    • Metro
    • Fares
    • Exo
    • Cards
    • Métropolitain
    • Quebec
    • Société
    • Ticketing
    • Longueuil
  • greater montreal
    • Montreal
    • Métropolitain
    • Transport
    • De
    • Quebec
    • Agencies
    • Réseau
    • Transit
    • Opus
    • Artm
    • Metro
    • System
  • montreal metro
    • Métropolitain
    • Transport
    • Stations
    • Turnstiles
    • De
    • Quebec
    • Réseau
    • Transit
    • Buses
    • Opus
    • Artm
    • Metro
  • société de transport de montréal
    • Transport
    • Réseau
    • Société
    • Bus
    • Longueuil
    • Métropolitain
    • Montreal
    • Exo
    • Buses
    • Project
    • Agencies
    • Greater

Connections between topic areas Semantic bridges

For Opus card, one of the stronger structural bridges in this analysis connects Opus card 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
Opus card — History · splits 40 ⟂ 13
Opus card — Overview · splits 43 ⟂ 10
Opus card — Fare collection · splits 45 ⟂ 8
Opus card — Fares · splits 47 ⟂ 6
Opus card — Points of sale · splits 47 ⟂ 6
Opus card — Participating transit authorities · splits 48 ⟂ 5

Map overview Semantic statistics

Opus card

Nodes53
Edges52
Triples86
Avg. degree1.96
Density0.037736
Components1

Source & methodology

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

Source: Wikipedia — Opus card · EN edition · Analysis: TopicsToTalkAbout

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