Triple

T2266897
Position Surface form Disambiguated ID Type / Status
Subject Somerville, New Jersey E50165 entity
Predicate hasLandmark P105 FINISHED
Object Somerville train station
Somerville train station is a historic New Jersey Transit rail station in Somerville, New Jersey, serving as a key stop on the Raritan Valley Line.
 E250675 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: Somerville train station | Statement: [Somerville, New Jersey, hasLandmark, Somerville train station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Somerville train station
Context triple: [Somerville, New Jersey, hasLandmark, Somerville train station]
  • A. Belmont station
    Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
  • B. Belmont station
    Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
  • C. Medford station
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • D. Stamford station
    Stamford station is a major commuter rail hub in Stamford, Connecticut, serving as one of the busiest stops on the Metro-North Railroad and a key gateway between New York City and New England.
  • E. Porter station
    Porter station is a major MBTA transit hub in Cambridge, Massachusetts, serving both Red Line subway and commuter rail trains beneath Porter Square.
  • 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: Somerville train station
Triple: [Somerville, New Jersey, hasLandmark, Somerville train station]
Generated description
Somerville train station is a historic New Jersey Transit rail station in Somerville, New Jersey, serving as a key stop on the Raritan Valley Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Somerville train station
Target entity description: Somerville train station is a historic New Jersey Transit rail station in Somerville, New Jersey, serving as a key stop on the Raritan Valley Line.
  • A. Belmont station
    Belmont station is a commuter rail stop in Downers Grove, Illinois, served by Metra’s BNSF Railway Line connecting the suburb to downtown Chicago.
  • B. Belmont station
    Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
  • C. Medford station
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • D. Stamford station
    Stamford station is a major commuter rail hub in Stamford, Connecticut, serving as one of the busiest stops on the Metro-North Railroad and a key gateway between New York City and New England.
  • E. Porter station
    Porter station is a major MBTA transit hub in Cambridge, Massachusetts, serving both Red Line subway and commuter rail trains beneath Porter Square.
  • 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_69a88b01e0048190ba96431b5f990ba9 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc1baa0948190b07ffc347a4f714e completed March 7, 2026, 6:12 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae71d492a48190be58396831e87ea0 completed March 9, 2026, 7:08 a.m.
NEDg Description generation batch_69ae72bdc5dc81908f475353999161e4 completed March 9, 2026, 7:11 a.m.
NED2 Entity disambiguation (via description) batch_69ae76720e3c8190aeb82dd8779ff715 completed March 9, 2026, 7:27 a.m.
Created at: March 4, 2026, 7:48 p.m.