Triple

T5014859
Position Surface form Disambiguated ID Type / Status
Subject Greenport Branch E112714 entity
Predicate hasStation P35 FINISHED
Object Medford station
Medford station is a Long Island Rail Road commuter rail stop in Medford, New York, serving passengers on the Greenport Branch.
 E181856 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: Medford station | Statement: [Greenport Branch, hasStation, Medford station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Medford station
Context triple: [Greenport Branch, hasStation, Medford station]
  • A. Medford station
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • B. Medford/Tufts station
    Medford/Tufts station is a Massachusetts Bay Transportation Authority light rail station in Medford serving Tufts University and the surrounding area.
  • C. Lowell station
    Lowell station is a passenger rail station in Lowell, Massachusetts that serves as the northern terminus of the MBTA Commuter Rail’s Lowell Line.
  • D. 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.
  • E. 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.
  • 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: Medford station
Triple: [Greenport Branch, hasStation, Medford station]
Generated description
Medford station is a Long Island Rail Road commuter rail stop in Medford, New York, serving passengers on the Greenport Branch.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Medford station
Target entity description: Medford station is a Long Island Rail Road commuter rail stop in Medford, New York, serving passengers on the Greenport Branch.
  • A. Medford station chosen
    Medford station is a Long Island Rail Road commuter rail stop located in Medford, New York, serving passengers on the Ronkonkoma Branch.
  • B. Medford/Tufts station
    Medford/Tufts station is a Massachusetts Bay Transportation Authority light rail station in Medford serving Tufts University and the surrounding area.
  • C. Lowell station
    Lowell station is a passenger rail station in Lowell, Massachusetts that serves as the northern terminus of the MBTA Commuter Rail’s Lowell Line.
  • D. 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.
  • E. 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.
  • F. None of above.

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_69bd4434acb8819086679dbeccc2fe54 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd732e0b848190858407920e7aefd0 completed March 20, 2026, 4:17 p.m.
NED1 Entity disambiguation (via context triple) batch_69be927500ec8190b4d87ef86469777d completed March 21, 2026, 12:43 p.m.
NEDg Description generation batch_69be942dac9c8190a5861ca0aaa44c90 completed March 21, 2026, 12:50 p.m.
NED2 Entity disambiguation (via description) batch_69be94a7e15481908f17feafb593b97b completed March 21, 2026, 12:52 p.m.
Created at: March 20, 2026, 1:35 p.m.