Triple

T4729256
Position Surface form Disambiguated ID Type / Status
Subject Mattapan E104962 entity
Predicate hasLandmark P105 FINISHED
Object River Street
River Street is a notable thoroughfare and local landmark in the Mattapan neighborhood of Boston, Massachusetts.
 E465068 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: River Street | Statement: [Mattapan, hasLandmark, River Street]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: River Street
Context triple: [Mattapan, hasLandmark, River Street]
  • A. River Street
    River Street is a roadway in Cambridge’s city center that serves as a key connector through the urban core.
  • B. Colon Street
    Colon Street is a historic and bustling commercial thoroughfare in Cebu City, Philippines, known as the oldest street in the country.
  • C. Bourbon Street
    Bourbon Street is a famous, neon-lit entertainment strip in New Orleans known for its bars, live music, and vibrant nightlife.
  • D. Canal Street
    Canal Street is a major east–west thoroughfare in Lower Manhattan known for its bustling street markets, discount shops, and role as a commercial hub connecting Chinatown to surrounding neighborhoods.
  • E. Canal Street
    Canal Street is a famous street in Manchester known as the heart of the city's Gay Village, lined with bars, clubs, and restaurants along the Rochdale Canal.
  • 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: River Street
Triple: [Mattapan, hasLandmark, River Street]
Generated description
River Street is a notable thoroughfare and local landmark in the Mattapan neighborhood of Boston, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: River Street
Target entity description: River Street is a notable thoroughfare and local landmark in the Mattapan neighborhood of Boston, Massachusetts.
  • A. River Street
    River Street is a roadway in Cambridge’s city center that serves as a key connector through the urban core.
  • B. Colon Street
    Colon Street is a historic and bustling commercial thoroughfare in Cebu City, Philippines, known as the oldest street in the country.
  • C. Bourbon Street
    Bourbon Street is a famous, neon-lit entertainment strip in New Orleans known for its bars, live music, and vibrant nightlife.
  • D. Canal Street
    Canal Street is a major east–west thoroughfare in Lower Manhattan known for its bustling street markets, discount shops, and role as a commercial hub connecting Chinatown to surrounding neighborhoods.
  • E. Canal Street
    Canal Street is a famous street in Manchester known as the heart of the city's Gay Village, lined with bars, clubs, and restaurants along the Rochdale Canal.
  • 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_69bd43ed84648190ae0b7ee8e8d00482 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd646135c881909030c21a163cc619 completed March 20, 2026, 3:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69be10a4bc0481908935278afb13503d completed March 21, 2026, 3:29 a.m.
NEDg Description generation batch_69be13d99f9881908dd19dd40ac87a6d completed March 21, 2026, 3:43 a.m.
NED2 Entity disambiguation (via description) batch_69be143ea2108190941294255bc4679c completed March 21, 2026, 3:45 a.m.
Created at: March 20, 2026, 1:19 p.m.