Triple

T4002870
Position Surface form Disambiguated ID Type / Status
Subject Greater Boston parkway system E89454 entity
Predicate hasPart P35 FINISHED
Object William J. Day Boulevard
William J. Day Boulevard is a waterfront roadway and parkway in South Boston, Massachusetts, known for running along the shoreline near Carson Beach and providing scenic views of Boston Harbor.
 E649766 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: William J. Day Boulevard | Statement: [Greater Boston parkway system, hasPart, William J. Day Boulevard]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: William J. Day Boulevard
Context triple: [Greater Boston parkway system, hasPart, William J. Day Boulevard]
  • A. Lafayette Boulevard
    Lafayette Boulevard is a major thoroughfare in Detroit, Michigan, running through the downtown area and adjacent neighborhoods.
  • B. Veterans Memorial Boulevard
    Veterans Memorial Boulevard is a major commercial thoroughfare in Metairie, Louisiana, lined with shopping centers, restaurants, and businesses.
  • C. Confederation Boulevard
    Confederation Boulevard is a ceremonial route in Canada’s National Capital Region that links major federal institutions, historic sites, and landmarks in Ottawa and Gatineau.
  • D. Lincoln Boulevard
    Lincoln Boulevard is a major north–south arterial street on the Westside of Los Angeles that runs near the coast and connects several neighborhoods and beach communities.
  • E. Swasey Parkway
    Swasey Parkway is a scenic riverside park and roadway in Exeter, New Hampshire, known for its walking paths, green space, and community events along the Squamscott River.
  • 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: William J. Day Boulevard
Triple: [Greater Boston parkway system, hasPart, William J. Day Boulevard]
Generated description
William J. Day Boulevard is a waterfront roadway and parkway in South Boston, Massachusetts, known for running along the shoreline near Carson Beach and providing scenic views of Boston Harbor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: William J. Day Boulevard
Target entity description: William J. Day Boulevard is a waterfront roadway and parkway in South Boston, Massachusetts, known for running along the shoreline near Carson Beach and providing scenic views of Boston Harbor.
  • A. Lafayette Boulevard
    Lafayette Boulevard is a major thoroughfare in Detroit, Michigan, running through the downtown area and adjacent neighborhoods.
  • B. Veterans Memorial Boulevard
    Veterans Memorial Boulevard is a major commercial thoroughfare in Metairie, Louisiana, lined with shopping centers, restaurants, and businesses.
  • C. Confederation Boulevard
    Confederation Boulevard is a ceremonial route in Canada’s National Capital Region that links major federal institutions, historic sites, and landmarks in Ottawa and Gatineau.
  • D. Lincoln Boulevard
    Lincoln Boulevard is a major north–south arterial street on the Westside of Los Angeles that runs near the coast and connects several neighborhoods and beach communities.
  • E. Swasey Parkway
    Swasey Parkway is a scenic riverside park and roadway in Exeter, New Hampshire, known for its walking paths, green space, and community events along the Squamscott River.
  • 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_69aed9585e788190bec2d39deba3750f completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aefa44125881909f45ecd0a986c581 completed March 9, 2026, 4:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7cb9f421081908b9df22decae8923 completed March 28, 2026, 12:37 p.m.
NEDg Description generation batch_69c7ccafd63c81908e5eab61ed615180 completed March 28, 2026, 12:42 p.m.
NED2 Entity disambiguation (via description) batch_69c7cd9966e481909eb3c23bb59777d9 completed March 28, 2026, 12:46 p.m.
Created at: March 9, 2026, 3:34 p.m.