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Service Employees International Union: History, Politics & Measurement
Service Employees International Union (SEIU) is a labor union representing 2 million workers in over 100 occupations in the United States, Canada, and Puerto Rico. SEIU is focused on organizing workers in three sectors: healthcare (over half of members work in the healthcare field), including hospital, home care and nursing home workers; public services…
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Service Employees International Union topic overview
The analysis highlights History, Politics and Measurement as prominent areas in the source structure around Service Employees International Union.
Related topics
98
Source areas
7
Connected nodes
105
Extracted relationships
80
Concept neighborhoods
38
Bridge connections
105
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.
Organizing and political activities · 24 topics
Local unions · 22 topics
History · 20 topics
Overview · 18 topics
Leadership · 9 topics
Archival and historical materials · 4 topics
Composition · 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.
Headquarters
Washington, D.C., U.S.
Abbreviation
SEIU
Affiliations
AFL-CIO · Canadian Labour Congress · Public Services International · Strategic Organizing Center · UNI Global Union
Formation
April 23, 1921; 105 years ago (1921-04-23)
Formerly called
Building Service Employees International Union
Members
1,901,161 (US) 130,000 (Canada) (2019)
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
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.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How Service Employees International Union connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around Service Employees International Union shows recurring relationship patterns in the source. For example, Service Employees International Union → Additional, Building Service Employees' International, Detroit, District, Janitors, John Sweeney Records, Justice, Labor, Local, North America, Notable, Records, Reuther Library, SEIU, SEIU Archivist, SEIU Executive Office, SEIU's, SEIU's United Service Workers, Special Collections, Special Collections Library Another extracted example is Service Employees International Union → AFL, After Sweeney's, Andrew Stern, April, BSEIU, Building Service Employees International, Chicago, CIO, District, Drug, Health Care Employees Union, Hospital, In, International Jewelry Workers' Union, New York City's Garment, SEIU, SEIU President John Sweeney, SEIU's, Stern's, The. Use these groups to spot repeated connection types before inspecting the individual relationships.
Service Employees International Union
Top relations
related to Archival and historical materials· 31
Service Employees International Union → Additional, Building Service Employees' International, Detroit, District, Janitors, John Sweeney Records, Justice, Labor, Local, North America, Notable, Records, Reuther Library, SEIU, SEIU Archivist, SEIU Executive Office, SEIU's, SEIU's United Service Workers, Special Collections, Special Collections Library
related to history· 23
Service Employees International Union → AFL, After Sweeney's, Andrew Stern, April, BSEIU, Building Service Employees International, Chicago, CIO, District, Drug, Health Care Employees Union, Hospital, In, International Jewelry Workers' Union, New York City's Garment, SEIU, SEIU President John Sweeney, SEIU's, Stern's, The
related to Local 87· 12
Service Employees International Union → Around, BSEIU, Building Service Employees International, COVID-19, George Hardy, It, Local, March, One, SEIU, The, Union
Affiliations· 5
Service Employees International Union → AFL-CIO, Canadian Labour Congress, Public Services International, Strategic Organizing Center, UNI Global Union
Abbreviation· 1
Service Employees International Union → SEIU
Formation· 1
Service Employees International Union → April 23, 1921; 105 years ago (1921-04-23)
Formerly called· 1
Service Employees International Union → Building Service Employees International Union
Headquarters· 1
Service Employees International Union → Washington, D.C., U.S.
Members· 1
Service Employees International Union → 1,901,161 (US) 130,000 (Canada) (2019)
President· 1
Service Employees International Union → April Verrett
Important terminology
Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
Service Employees International Union relationships Subject–Predicate–Object triples
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 80 structured relationships around Service Employees International Union. Examples in this analysis include Service Employees International Union → Abbreviation → SEIU and Service Employees International Union → Affiliations → AFL-CIO. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
Service Employees International Union
Abbreviation
SEIU
1.00
infobox
Service Employees International Union
Affiliations
AFL-CIO
1.00
infobox
Service Employees International Union
Affiliations
Canadian Labour Congress
1.00
infobox
Service Employees International Union
Affiliations
Public Services International
1.00
infobox
Service Employees International Union
Affiliations
Strategic Organizing Center
1.00
infobox
Service Employees International Union
Affiliations
UNI Global Union
1.00
infobox
Service Employees International Union
Formation
April 23, 1921; 105 years ago (1921-04-23)
1.00
infobox
Service Employees International Union
Formerly called
Building Service Employees International Union
1.00
infobox
Service Employees International Union
Headquarters
Washington, D.C., U.S.
1.00
infobox
Service Employees International Union
Members
1,901,161 (US) 130,000 (Canada) (2019)
1.00
infobox
Service Employees International Union
President
April Verrett
1.00
infobox
Service Employees International Union
Secretary-treasurer
Rocío Sáenz
1.00
infobox
Service Employees International Union
Type
Trade union
1.00
infobox
Service Employees International Union
Website
seiu.org
1.00
infobox
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around Service Employees International Union bring nearby vocabulary together. In this analysis, examples include International, Service and Janitors. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
Service Employees International Union
International
Service
Janitors
Union
Organizing
State
Workers
United
Represents
Food
Washington
Local
service employees international union
Service
International
Local
Union
Janitors
Washington
Organizing
State
Largest
Unions
Workers
United
labor union
Local
Largest
Workers
United
Healthcare
California
First
States
Seiu
Million
Seiu's
Unions
strategic organizing center
Service
Unions
Janitors
Workers
Food
Sodexo
Members
Healthcare
Campaign
Union
United
Seiu
international jewelry workers' union
Service
Local
Union
Washington
Largest
Unions
Workers
United
Healthcare
California
One
First
united farm workers
United
Workers
Seiu
Healthcare
Represents
Food
Union
Largest
Local
Service
Organizing
Employees
service sector
Janitors
Union
Organizing
Workers
United
Food
Washington
Local
One
First
Million
Including
national labor relations board
Workers
Seiu
Million
Seiu's
Unions
New
Union
National
State
States
Union's
Campaign
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For Service Employees International Union, one of the stronger structural bridges in this analysis connects Service Employees International Union with Organizing and political activities. 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
Service Employees International Union — Organizing and political activities· splits 81 ⟂ 25Service Employees International Union — Local unions· splits 83 ⟂ 23Service Employees International Union — History· splits 85 ⟂ 21Service Employees International Union — Overview· splits 87 ⟂ 19Service Employees International Union — Leadership· splits 96 ⟂ 10Service Employees International Union — Archival and historical materials· splits 101 ⟂ 5
Map overview Semantic statistics
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
Service Employees International Union
Nodes106
Edges105
Triples80
Avg. degree1.98
Density0.018868
Components1
Source & methodology
TTTA analyzes the structure around Service Employees International Union to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Politics & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
