Triple

T5658303
Position Surface form Disambiguated ID Type / Status
Subject Harvard (MBTA station) E124672 entity
Predicate hasEntrance P6140 FINISHED
Object Church Street entrance
The Church Street entrance is one of the access points to Harvard station on the Massachusetts Bay Transportation Authority (MBTA) Red Line in Cambridge, Massachusetts.
E537790 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: Church Street entrance | Statement: [Harvard (MBTA station), hasEntrance, Church Street entrance]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Church Street entrance
Context triple: [Harvard (MBTA station), hasEntrance, Church Street entrance]
  • A. Parkgate Street entrance
    Parkgate Street entrance is a main gateway on the southern side of Phoenix Park in Dublin, providing pedestrian and vehicular access to the park from the city.
  • B. Hayes Street entrance
    Hayes Street entrance is a primary access point to the Pentagon City Metro station in Arlington, Virginia, connecting nearby streets, shops, and offices to the transit system.
  • C. Livery Street entrance
    The Livery Street entrance is a public access point on Livery Street leading into Birmingham Snow Hill railway station in Birmingham, England.
  • D. Praed Street entrance
    The Praed Street entrance is a main public access point to London Paddington station, opening onto Praed Street in the Paddington area of central London.
  • E. Half Street SE entrance
    The Half Street SE entrance is a primary access point to Washington, D.C.’s Navy Yard–Ballpark Metro station, serving the busy corridor near Nationals Park and surrounding development.
  • 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: Church Street entrance
Triple: [Harvard (MBTA station), hasEntrance, Church Street entrance]
Generated description
The Church Street entrance is one of the access points to Harvard station on the Massachusetts Bay Transportation Authority (MBTA) Red Line in Cambridge, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Church Street entrance
Target entity description: The Church Street entrance is one of the access points to Harvard station on the Massachusetts Bay Transportation Authority (MBTA) Red Line in Cambridge, Massachusetts.
  • A. Parkgate Street entrance
    Parkgate Street entrance is a main gateway on the southern side of Phoenix Park in Dublin, providing pedestrian and vehicular access to the park from the city.
  • B. Hayes Street entrance
    Hayes Street entrance is a primary access point to the Pentagon City Metro station in Arlington, Virginia, connecting nearby streets, shops, and offices to the transit system.
  • C. Livery Street entrance
    The Livery Street entrance is a public access point on Livery Street leading into Birmingham Snow Hill railway station in Birmingham, England.
  • D. Praed Street entrance
    The Praed Street entrance is a main public access point to London Paddington station, opening onto Praed Street in the Paddington area of central London.
  • E. Half Street SE entrance
    The Half Street SE entrance is a primary access point to Washington, D.C.’s Navy Yard–Ballpark Metro station, serving the busy corridor near Nationals Park and surrounding development.
  • 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_69c0082774a481909d7e63fb2aad56ac completed March 22, 2026, 3:17 p.m.
NER Named-entity recognition batch_69c022fd9b148190bd4aa9c43500949f completed March 22, 2026, 5:12 p.m.
NED1 Entity disambiguation (via context triple) batch_69c04da37ffc819095f33e7e66e7c1d0 completed March 22, 2026, 8:14 p.m.
NEDg Description generation batch_69c04edf30448190a60eda49b8b031a0 completed March 22, 2026, 8:19 p.m.
NED2 Entity disambiguation (via description) batch_69c04fb62690819083327781cb857ccc completed March 22, 2026, 8:23 p.m.
Created at: March 22, 2026, 3:42 p.m.