Triple

T3846522
Position Surface form Disambiguated ID Type / Status
Subject Melrose, Massachusetts E93582 entity
Predicate hasPublicTransport P1288 FINISHED
Object Melrose Cedar Park station
Melrose Cedar Park station is a commuter rail stop on the MBTA's Haverhill Line serving residents of Melrose, Massachusetts.
 E394023 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: Melrose Cedar Park station | Statement: [Melrose, Massachusetts, hasPublicTransport, Melrose Cedar Park station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Melrose Cedar Park station
Context triple: [Melrose, Massachusetts, hasPublicTransport, Melrose Cedar Park station]
  • A. Melrose Park station
    Melrose Park station is a commuter rail stop in the Chicago metropolitan area serving passengers in and around Melrose Park, Illinois.
  • B. Melrose Highlands station
    Melrose Highlands station is a commuter rail stop in Melrose, Massachusetts, served by the MBTA on its Haverhill Line.
  • C. Meadow Woods station
    Meadow Woods station is a commuter rail stop in the Orlando, Florida area served by the SunRail regional rail system.
  • D. Morgan Boulevard station
    Morgan Boulevard station is a Washington Metro rapid transit station in Prince George's County, Maryland, serving the nearby FedExField stadium and surrounding residential areas.
  • E. Maywood station
    Maywood station is a commuter rail stop in Maywood, Illinois, serving Metra's Union Pacific West Line in the Chicago metropolitan area.
  • 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: Melrose Cedar Park station
Triple: [Melrose, Massachusetts, hasPublicTransport, Melrose Cedar Park station]
Generated description
Melrose Cedar Park station is a commuter rail stop on the MBTA's Haverhill Line serving residents of Melrose, Massachusetts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Melrose Cedar Park station
Target entity description: Melrose Cedar Park station is a commuter rail stop on the MBTA's Haverhill Line serving residents of Melrose, Massachusetts.
  • A. Melrose Park station
    Melrose Park station is a commuter rail stop in the Chicago metropolitan area serving passengers in and around Melrose Park, Illinois.
  • B. Melrose Highlands station
    Melrose Highlands station is a commuter rail stop in Melrose, Massachusetts, served by the MBTA on its Haverhill Line.
  • C. Meadow Woods station
    Meadow Woods station is a commuter rail stop in the Orlando, Florida area served by the SunRail regional rail system.
  • D. Morgan Boulevard station
    Morgan Boulevard station is a Washington Metro rapid transit station in Prince George's County, Maryland, serving the nearby FedExField stadium and surrounding residential areas.
  • E. Maywood station
    Maywood station is a commuter rail stop in Maywood, Illinois, serving Metra's Union Pacific West Line in the Chicago metropolitan area.
  • 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_69aed96ce578819084ab16e3439976c9 completed March 9, 2026, 2:30 p.m.
NER Named-entity recognition batch_69aeebcb069881909d3536b18b7802a7 completed March 9, 2026, 3:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69b50414acdc81909bf0b62afa3fe536 completed March 14, 2026, 6:45 a.m.
NEDg Description generation batch_69b50585106c8190aaa1c47b397543ea completed March 14, 2026, 6:51 a.m.
NED2 Entity disambiguation (via description) batch_69b50707d6a4819097f2bca0ebe663b1 completed March 14, 2026, 6:58 a.m.
Created at: March 9, 2026, 3:18 p.m.