Triple

T161748
Position Surface form Disambiguated ID Type / Status
Subject Boston’s North Station (via Fitchburg Line) E3301 entity
Predicate near P350 FINISHED
Object Causeway Street, Boston
Causeway Street in Boston is a major thoroughfare in the West End, known for bordering TD Garden and North Station and serving as a busy hub for sports, entertainment, and commuter traffic.
E47406 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: Causeway Street, Boston | Statement: [Boston’s North Station (via Fitchburg Line), near, Causeway Street, Boston]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Causeway Street, Boston
Context triple: [Boston’s North Station (via Fitchburg Line), near, Causeway Street, Boston]
  • A. King Street, Boston
    King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
  • B. Boylston Street, Boston
    Boylston Street in Boston is a major downtown thoroughfare best known as the iconic finish-line location of the Boston Marathon.
  • C. Brattle Street
    Brattle Street is a historic thoroughfare in Cambridge, Massachusetts, known for its colonial-era houses, cultural landmarks, and proximity to Harvard University.
  • D. Park Street
    Park Street is a major downtown Boston subway station and transfer hub on the Massachusetts Bay Transportation Authority (MBTA) system.
  • E. Washington Street
    Washington Street is a major thoroughfare running through San Francisco’s Chinatown, known for its dense concentration of Chinese shops, restaurants, and cultural landmarks.
  • 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: Causeway Street, Boston
Triple: [Boston’s North Station (via Fitchburg Line), near, Causeway Street, Boston]
Generated description
Causeway Street in Boston is a major thoroughfare in the West End, known for bordering TD Garden and North Station and serving as a busy hub for sports, entertainment, and commuter traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Causeway Street, Boston
Target entity description: Causeway Street in Boston is a major thoroughfare in the West End, known for bordering TD Garden and North Station and serving as a busy hub for sports, entertainment, and commuter traffic.
  • A. King Street, Boston
    King Street in Boston (now known as State Street) is the historic downtown thoroughfare where the Boston Massacre occurred in 1770, a pivotal event leading up to the American Revolution.
  • B. Boylston Street, Boston
    Boylston Street in Boston is a major downtown thoroughfare best known as the iconic finish-line location of the Boston Marathon.
  • C. Brattle Street
    Brattle Street is a historic thoroughfare in Cambridge, Massachusetts, known for its colonial-era houses, cultural landmarks, and proximity to Harvard University.
  • D. Park Street
    Park Street is a major downtown Boston subway station and transfer hub on the Massachusetts Bay Transportation Authority (MBTA) system.
  • E. Washington Street
    Washington Street is a major thoroughfare running through San Francisco’s Chinatown, known for its dense concentration of Chinese shops, restaurants, and cultural landmarks.
  • 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_69a2527757ec819090b8becb2cf1a862 completed Feb. 28, 2026, 2:27 a.m.
NER Named-entity recognition batch_69a2585877648190a2ec320182a69343 completed Feb. 28, 2026, 2:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3f09f2838819089a4ee40286281a2 completed March 1, 2026, 7:54 a.m.
NEDg Description generation batch_69a3f3af9b448190a7d733ac38c1f36e completed March 1, 2026, 8:07 a.m.
NED2 Entity disambiguation (via description) batch_69a3f40525108190ae30d9d5b4f87a15 completed March 1, 2026, 8:08 a.m.
Created at: Feb. 28, 2026, 2:31 a.m.