Triple

T5897417
Position Surface form Disambiguated ID Type / Status
Subject Capen Street station E131132 entity
Predicate adjacentTo P224 FINISHED
Object Capen Street
Capen Street is a street in the Dorchester–Mattapan area of Boston, Massachusetts, that lends its name to the nearby Capen Street station on the MBTA’s Mattapan trolley line.
E940089 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: Capen Street | Statement: [Capen Street station, adjacentTo, Capen Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Capen Street
Context triple: [Capen Street station, adjacentTo, Capen Street]
  • A. Hyde Street
    Hyde Street is a well-known thoroughfare in San Francisco, famous for its steep hills, scenic views, and role as a popular route for the city’s historic cable cars.
  • B. Hanover Street
    Hanover Street is a historic and bustling main thoroughfare in Boston’s North End, known for its Italian restaurants, cafes, and neighborhood shops.
  • C. Pelham Street
    Pelham Street is a street in the South Kensington area of London, known for its proximity to the South Kensington Underground station and the nearby museums and cultural attractions.
  • D. Winchester Street
    Winchester Street is a notable thoroughfare in the historic cathedral city of Salisbury in Wiltshire, England.
  • E. Bedford Street
    Bedford Street is a central thoroughfare in Belfast, Northern Ireland, known for its mix of historic architecture, offices, and cultural venues close to Donegall Square.
  • 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: Capen Street
Triple: [Capen Street station, adjacentTo, Capen Street]
Generated description
Capen Street is a street in the Dorchester–Mattapan area of Boston, Massachusetts, that lends its name to the nearby Capen Street station on the MBTA’s Mattapan trolley line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Capen Street
Target entity description: Capen Street is a street in the Dorchester–Mattapan area of Boston, Massachusetts, that lends its name to the nearby Capen Street station on the MBTA’s Mattapan trolley line.
  • A. Hyde Street
    Hyde Street is a well-known thoroughfare in San Francisco, famous for its steep hills, scenic views, and role as a popular route for the city’s historic cable cars.
  • B. Hanover Street
    Hanover Street is a historic and bustling main thoroughfare in Boston’s North End, known for its Italian restaurants, cafes, and neighborhood shops.
  • C. Pelham Street
    Pelham Street is a street in the South Kensington area of London, known for its proximity to the South Kensington Underground station and the nearby museums and cultural attractions.
  • D. Winchester Street
    Winchester Street is a notable thoroughfare in the historic cathedral city of Salisbury in Wiltshire, England.
  • E. Bedford Street
    Bedford Street is a central thoroughfare in Belfast, Northern Ireland, known for its mix of historic architecture, offices, and cultural venues close to Donegall Square.
  • 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_69c00857439c819095950754176aa58a completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c036f65c1c819084cb90662af6e114 completed March 22, 2026, 6:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69ef1243b14081909d07ab0ebb32cc68 completed April 27, 2026, 7:37 a.m.
NEDg Description generation batch_69ef354b3b3c8190b1c91dbf9c705a7d completed April 27, 2026, 10:07 a.m.
NED2 Entity disambiguation (via description) batch_69ef5170ce9881908f2ecf3d5ada809a completed April 27, 2026, 12:07 p.m.
Created at: March 22, 2026, 3:58 p.m.