Triple

T1424951
Position Surface form Disambiguated ID Type / Status
Subject Mystic River watershed E30307 entity
Predicate contains P35 FINISHED
Object Assembly Row riverfront
Assembly Row riverfront is a redeveloped mixed-use waterfront district along the Mystic River in Somerville, Massachusetts, featuring shopping, dining, residences, and public recreational spaces.
 E164559 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: Assembly Row riverfront | Statement: [Mystic River watershed, contains, Assembly Row riverfront]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Assembly Row riverfront
Context triple: [Mystic River watershed, contains, Assembly Row riverfront]
  • A. Embarcadero waterfront
    The Embarcadero waterfront is a prominent bayside promenade in San Francisco known for its scenic views, historic piers, and popular attractions along the city’s eastern shoreline.
  • B. Riverside Building
    Riverside Building is a key academic facility of Robert Gordon University in Aberdeen, housing teaching spaces and university services.
  • C. Boathouse Row
    Boathouse Row is a historic and picturesque stretch of 19th-century boathouses in Philadelphia, famed for its rowing clubs and iconic nighttime illumination along the Schuylkill River.
  • D. Ruston Way waterfront
    Ruston Way waterfront is a scenic shoreline district in Tacoma, Washington, known for its parks, walking paths, restaurants, and views of Commencement Bay and the Olympic Mountains.
  • E. Riverbank
    Riverbank is a small city in California’s Central Valley known for its agricultural surroundings and suburban residential character.
  • 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: Assembly Row riverfront
Triple: [Mystic River watershed, contains, Assembly Row riverfront]
Generated description
Assembly Row riverfront is a redeveloped mixed-use waterfront district along the Mystic River in Somerville, Massachusetts, featuring shopping, dining, residences, and public recreational spaces.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Assembly Row riverfront
Target entity description: Assembly Row riverfront is a redeveloped mixed-use waterfront district along the Mystic River in Somerville, Massachusetts, featuring shopping, dining, residences, and public recreational spaces.
  • A. Embarcadero waterfront
    The Embarcadero waterfront is a prominent bayside promenade in San Francisco known for its scenic views, historic piers, and popular attractions along the city’s eastern shoreline.
  • B. Riverside Building
    Riverside Building is a key academic facility of Robert Gordon University in Aberdeen, housing teaching spaces and university services.
  • C. Boathouse Row
    Boathouse Row is a historic and picturesque stretch of 19th-century boathouses in Philadelphia, famed for its rowing clubs and iconic nighttime illumination along the Schuylkill River.
  • D. Ruston Way waterfront
    Ruston Way waterfront is a scenic shoreline district in Tacoma, Washington, known for its parks, walking paths, restaurants, and views of Commencement Bay and the Olympic Mountains.
  • E. Riverbank
    Riverbank is a small city in California’s Central Valley known for its agricultural surroundings and suburban residential character.
  • 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_69a498fb823c8190a67ce4c4837e641a completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c4bd59148190b96f9f585e07aa0d completed March 1, 2026, 10:59 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad01646fd481909fcd92a1cc027fa2 completed March 8, 2026, 4:56 a.m.
NEDg Description generation batch_69ad022095f88190a68f40a56c7e1729 completed March 8, 2026, 4:59 a.m.
NED2 Entity disambiguation (via description) batch_69ad031af0c8819095df7bd413915c14 completed March 8, 2026, 5:03 a.m.
Created at: March 1, 2026, 8 p.m.