Triple

T1565742
Position Surface form Disambiguated ID Type / Status
Subject Bell System E33427 entity
Predicate successor P78 FINISHED
Object Ameritech
Ameritech was a regional telecommunications company formed after the breakup of AT&T’s Bell System, serving the Midwestern United States with local and long-distance phone services.
E182636 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Ameritech | Statement: [Bell System, successor, Ameritech]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Ameritech
Context triple: [Bell System, successor, Ameritech]
  • A. BellSouth
    BellSouth was a major American telecommunications company, formerly one of the regional "Baby Bells" created after the breakup of AT&T, providing telephone and related services across the southeastern United States.
  • B. Southwestern Bell
    Southwestern Bell was a major regional telephone company in the United States that later became part of AT&T through mergers and rebranding.
  • C. AT&T
    AT&T is a major American telecommunications conglomerate known for providing wireless, internet, and media services nationwide.
  • D. NYNEX
    NYNEX was a regional Bell operating company that provided telecommunications services in the northeastern United States following the breakup of AT&T.
  • E. Southern Telecom
    Southern Telecom is a telecommunications subsidiary of Southern Company that provides fiber-optic network and related communication services.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Ameritech
Triple: [Bell System, successor, Ameritech]
Generated description
Ameritech was a regional telecommunications company formed after the breakup of AT&T’s Bell System, serving the Midwestern United States with local and long-distance phone services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Ameritech
Target entity description: Ameritech was a regional telecommunications company formed after the breakup of AT&T’s Bell System, serving the Midwestern United States with local and long-distance phone services.
  • A. BellSouth
    BellSouth was a major American telecommunications company, formerly one of the regional "Baby Bells" created after the breakup of AT&T, providing telephone and related services across the southeastern United States.
  • B. Southwestern Bell
    Southwestern Bell was a major regional telephone company in the United States that later became part of AT&T through mergers and rebranding.
  • C. AT&T
    AT&T is a major American telecommunications conglomerate known for providing wireless, internet, and media services nationwide.
  • D. NYNEX
    NYNEX was a regional Bell operating company that provided telecommunications services in the northeastern United States following the breakup of AT&T.
  • E. Southern Telecom
    Southern Telecom is a telecommunications subsidiary of Southern Company that provides fiber-optic network and related communication services.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a885f11b048190935025a035302715 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69abb2308bec81909d1660934eff171b completed March 7, 2026, 5:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69ad51af2de8819087d287d65aabbf1a completed March 8, 2026, 10:38 a.m.
NEDg Description generation batch_69ad523ae04c819099431e09cf1eb953 completed March 8, 2026, 10:40 a.m.
NED2 Entity disambiguation (via description) batch_69ad52b3dcf081909e73fba891e985b2 completed March 8, 2026, 10:43 a.m.
Created at: March 4, 2026, 7:27 p.m.