Triple

T19044468
Position Surface form Disambiguated ID Type / Status
Subject Mattapan Square E466093 entity
Predicate isMajorIntersectionOf P12328 FINISHED
Object Blue Hill Avenue and River Street
Blue Hill Avenue and River Street is a key roadway junction in Boston’s Mattapan neighborhood that serves as a central hub for local traffic and commerce.
E1355766 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: Blue Hill Avenue and River Street | Statement: [Mattapan Square, isMajorIntersectionOf, Blue Hill Avenue and River Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Blue Hill Avenue and River Street
Context triple: [Mattapan Square, isMajorIntersectionOf, Blue Hill Avenue and River Street]
  • A. North King Street
    North King Street is a major downtown thoroughfare in Wilmington, Delaware, running along the edge of the historic Rodney Square district.
  • B. South Street
    South Street is a roadway in downtown Orlando, Florida, that serves as a key thoroughfare and address for several local landmarks and transit facilities.
  • C. South Street
    South Street is a major east–west thoroughfare in Philadelphia known for its vibrant mix of shops, restaurants, nightlife, and cultural attractions.
  • D. South Street
    South Street is a notable commercial thoroughfare in Boston’s Jamaica Plain neighborhood, lined with local shops, restaurants, and community-focused businesses.
  • E. South Street
    South Street is a historic thoroughfare in Lower Manhattan, New York City, running along the East River waterfront and associated with the city’s former seaport and maritime commerce.
  • 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: Blue Hill Avenue and River Street
Triple: [Mattapan Square, isMajorIntersectionOf, Blue Hill Avenue and River Street]
Generated description
Blue Hill Avenue and River Street is a key roadway junction in Boston’s Mattapan neighborhood that serves as a central hub for local traffic and commerce.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Blue Hill Avenue and River Street
Target entity description: Blue Hill Avenue and River Street is a key roadway junction in Boston’s Mattapan neighborhood that serves as a central hub for local traffic and commerce.
  • A. North King Street
    North King Street is a major downtown thoroughfare in Wilmington, Delaware, running along the edge of the historic Rodney Square district.
  • B. South Street
    South Street is a roadway in downtown Orlando, Florida, that serves as a key thoroughfare and address for several local landmarks and transit facilities.
  • C. South Street
    South Street is a major east–west thoroughfare in Philadelphia known for its vibrant mix of shops, restaurants, nightlife, and cultural attractions.
  • D. South Street
    South Street is a notable commercial thoroughfare in Boston’s Jamaica Plain neighborhood, lined with local shops, restaurants, and community-focused businesses.
  • E. South Street
    South Street is a notable thoroughfare in Auburn, New York, known for its historic architecture 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_69d8dd0359648190bc2a9202c5cf29d2 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d802a75c8190a4ce45e5fbffc1b7 completed April 20, 2026, 7:38 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05c54f0fbc8190aa1c8d0cae900aec completed May 14, 2026, 12:51 p.m.
NEDg Description generation batch_6a05c7c2a60c819081cd60e47efd84c4 completed May 14, 2026, 1:01 p.m.
NED2 Entity disambiguation (via description) batch_6a05c842970481909deba4dd02002bad completed May 14, 2026, 1:04 p.m.
Created at: April 10, 2026, 12:03 p.m.