Triple

T9894324
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan District Commission (Massachusetts) E181530 entity
Predicate operated P1688 FINISHED
Object Day Boulevard (South Boston)
Day Boulevard is a scenic waterfront parkway in South Boston, Massachusetts, running along the shores of Dorchester Bay and providing access to beaches and recreational areas.
E828566 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: Day Boulevard (South Boston) | Statement: [Metropolitan District Commission (Massachusetts), operated, Day Boulevard (South Boston)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Day Boulevard (South Boston)
Context triple: [Metropolitan District Commission (Massachusetts), operated, Day Boulevard (South Boston)]
  • A. Harvard Avenue
    Harvard Avenue is a major commercial and transit corridor in Boston’s Allston neighborhood, known for its dense mix of shops, restaurants, and nightlife.
  • B. Winthrop Avenue
    Winthrop Avenue is a roadway in the Beachmont area of Revere, Massachusetts, serving as a main local thoroughfare near the coastline.
  • C. Commonwealth Avenue
    Commonwealth Avenue is a major thoroughfare in Boston, Massachusetts, known for its tree-lined mall, historic architecture, and role as a key stretch of the Boston Marathon course.
  • D. Commonwealth Avenue
    Commonwealth Avenue is a major ceremonial boulevard in Canberra, Australia, linking the city centre to Parliament House and forming part of the capital’s principal parliamentary axis.
  • E. Commonwealth Avenue
    Commonwealth Avenue is a major multi-lane thoroughfare in Quezon City, Philippines, known for its heavy traffic and role as a key arterial road in Metro Manila.
  • 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: Day Boulevard (South Boston)
Triple: [Metropolitan District Commission (Massachusetts), operated, Day Boulevard (South Boston)]
Generated description
Day Boulevard is a scenic waterfront parkway in South Boston, Massachusetts, running along the shores of Dorchester Bay and providing access to beaches and recreational areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Day Boulevard (South Boston)
Target entity description: Day Boulevard is a scenic waterfront parkway in South Boston, Massachusetts, running along the shores of Dorchester Bay and providing access to beaches and recreational areas.
  • A. Harvard Avenue
    Harvard Avenue is a major commercial and transit corridor in Boston’s Allston neighborhood, known for its dense mix of shops, restaurants, and nightlife.
  • B. Winthrop Avenue
    Winthrop Avenue is a roadway in the Beachmont area of Revere, Massachusetts, serving as a main local thoroughfare near the coastline.
  • C. Commonwealth Avenue
    Commonwealth Avenue is a major thoroughfare in Boston, Massachusetts, known for its tree-lined mall, historic architecture, and role as a key stretch of the Boston Marathon course.
  • D. Commonwealth Avenue
    Commonwealth Avenue is a major ceremonial boulevard in Canberra, Australia, linking the city centre to Parliament House and forming part of the capital’s principal parliamentary axis.
  • E. Commonwealth Avenue
    Commonwealth Avenue is a major multi-lane thoroughfare in Quezon City, Philippines, known for its heavy traffic and role as a key arterial road in Metro Manila.
  • 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_69ca8283a6708190801af7a25a7ebb9f completed March 30, 2026, 2:02 p.m.
NER Named-entity recognition batch_69cdb4a89e148190901753e67483d72c completed April 2, 2026, 12:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69d1eb0d984c81908408f90f156624e5 completed April 5, 2026, 4:54 a.m.
NEDg Description generation batch_69d1edaceb608190a75e738a34c6d16f completed April 5, 2026, 5:05 a.m.
NED2 Entity disambiguation (via description) batch_69d1ee5b837c8190b294a78cebf141ae completed April 5, 2026, 5:08 a.m.
Created at: March 30, 2026, 8:39 p.m.