Triple

T141989
Position Surface form Disambiguated ID Type / Status
Subject Margaret Thatcher E2873 entity
Predicate familyName P18 FINISHED
Object Roberts
Roberts is the maiden surname of Margaret Thatcher, the former Prime Minister of the United Kingdom.
 E17259 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: Roberts | Statement: [Margaret Thatcher, familyName, Roberts]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Roberts
Context triple: [Margaret Thatcher, familyName, Roberts]
  • A. Reid
    Reid is a common Scottish and Irish surname that has been borne by numerous notable figures across fields such as science, politics, and the arts.
  • B. Brandeis/Roberts
    Brandeis/Roberts is a commuter rail station in Waltham, Massachusetts, serving Brandeis University and the surrounding residential area.
  • C. Wilson
    Wilson is a common English-language surname borne by numerous notable figures across fields such as science, politics, sports, and the arts.
  • D. Robnett
    Robnett is a given middle name that appears in the full name of individuals such as the American politician and jurist James Lick Robnett.
  • E. Robert Bork
    Robert Bork was a conservative American jurist and legal scholar whose role in the Watergate-era "Saturday Night Massacre" and later failed Supreme Court nomination made him a highly controversial figure in U.S. legal and political history.
  • 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: Roberts
Triple: [Margaret Thatcher, familyName, Roberts]
Generated description
Roberts is the maiden surname of Margaret Thatcher, the former Prime Minister of the United Kingdom.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Roberts
Target entity description: Roberts is the maiden surname of Margaret Thatcher, the former Prime Minister of the United Kingdom.
  • A. Reid
    Reid is a common Scottish and Irish surname that has been borne by numerous notable figures across fields such as science, politics, and the arts.
  • B. Brandeis/Roberts
    Brandeis/Roberts is a commuter rail station in Waltham, Massachusetts, serving Brandeis University and the surrounding residential area.
  • C. Wilson
    Wilson is a common English-language surname borne by numerous notable figures across fields such as science, politics, sports, and the arts.
  • D. Robnett
    Robnett is a given middle name that appears in the full name of individuals such as the American politician and jurist James Lick Robnett.
  • E. Robert Bork
    Robert Bork was a conservative American jurist and legal scholar whose role in the Watergate-era "Saturday Night Massacre" and later failed Supreme Court nomination made him a highly controversial figure in U.S. legal and political history.
  • 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_69a2521e35c08190b28e5c9f1e3c9b59 completed Feb. 28, 2026, 2:25 a.m.
NER Named-entity recognition batch_69a257c9cab8819095e8d9fa32c1fbc6 completed Feb. 28, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69a2bf691a848190a4f6e40d9aea2168 completed Feb. 28, 2026, 10:11 a.m.
NEDg Description generation batch_69a2c1179c6c8190a118c6f4ef8d555e completed Feb. 28, 2026, 10:19 a.m.
NED2 Entity disambiguation (via description) batch_69a2c1c769f08190b0a8b372e13fc5de completed Feb. 28, 2026, 10:21 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.