Triple

T1052022
Position Surface form Disambiguated ID Type / Status
Subject Boylston Street, Boston E22719 entity
Predicate hasLandmark P105 FINISHED
Object Boston Marathon finish line marker
The Boston Marathon finish line marker is a painted street landmark on Boylston Street that signifies the iconic endpoint of the annual Boston Marathon.
E124605 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: Boston Marathon finish line marker | Statement: [Boylston Street, Boston, hasLandmark, Boston Marathon finish line marker]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Boston Marathon finish line marker
Context triple: [Boylston Street, Boston, hasLandmark, Boston Marathon finish line marker]
  • A. Boston Marathon
    The Boston Marathon is the world’s oldest annual marathon and one of the most prestigious long-distance running races, attracting elite and amateur runners from around the globe each Patriots’ Day.
  • B. Chicago Marathon
    The Chicago Marathon is one of the world’s premier annual long-distance running races, renowned for its flat, fast course through Chicago’s neighborhoods and its status as a major international marathon.
  • C. New York City Marathon
    The New York City Marathon is one of the world’s largest and most prestigious annual long-distance running races, drawing elite athletes and mass participants to a 26.2-mile course through all five boroughs of New York City.
  • D. Boston Stump
    Boston Stump is the popular name for St Botolph's Church, a prominent medieval parish church in Boston, Lincolnshire, famed for its towering, landmark tower.
  • E. Marathon
    Marathon is an ancient town in northeastern Attica, Greece, best known as the site of the pivotal Battle of Marathon in 490 BC that inspired the modern long-distance race.
  • 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: Boston Marathon finish line marker
Triple: [Boylston Street, Boston, hasLandmark, Boston Marathon finish line marker]
Generated description
The Boston Marathon finish line marker is a painted street landmark on Boylston Street that signifies the iconic endpoint of the annual Boston Marathon.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Boston Marathon finish line marker
Target entity description: The Boston Marathon finish line marker is a painted street landmark on Boylston Street that signifies the iconic endpoint of the annual Boston Marathon.
  • A. Boston Marathon
    The Boston Marathon is the world’s oldest annual marathon and one of the most prestigious long-distance running races, attracting elite and amateur runners from around the globe each Patriots’ Day.
  • B. Chicago Marathon
    The Chicago Marathon is one of the world’s premier annual long-distance running races, renowned for its flat, fast course through Chicago’s neighborhoods and its status as a major international marathon.
  • C. New York City Marathon
    The New York City Marathon is one of the world’s largest and most prestigious annual long-distance running races, drawing elite athletes and mass participants to a 26.2-mile course through all five boroughs of New York City.
  • D. Boston Stump
    Boston Stump is the popular name for St Botolph's Church, a prominent medieval parish church in Boston, Lincolnshire, famed for its towering, landmark tower.
  • E. Marathon
    Marathon is an ancient town in northeastern Attica, Greece, best known as the site of the pivotal Battle of Marathon in 490 BC that inspired the modern long-distance race.
  • 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_69a493da02e081908c13ff5e02a0fe7a completed March 1, 2026, 7:30 p.m.
NER Named-entity recognition batch_69a4b8b5312081909796df58fa7c1e9d completed March 1, 2026, 10:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac429f0580819082d5a2cc6129cb1e completed March 7, 2026, 3:22 p.m.
NEDg Description generation batch_69ac4356f8f88190ab5d3f76000d5352 completed March 7, 2026, 3:25 p.m.
NED2 Entity disambiguation (via description) batch_69ac43ded4308190bbedda3e2c6255a4 completed March 7, 2026, 3:27 p.m.
Created at: March 1, 2026, 7:42 p.m.