Triple
T4163393
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Harpers Ferry station |
E91582
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object |
MARC Train stations
MARC Train stations are passenger rail stops in Maryland and neighboring states served by the Maryland Area Regional Commuter (MARC) train system.
|
E416713
|
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: MARC Train stations | Statement: [Harpers Ferry station, category, MARC Train stations]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MARC Train stations Context triple: [Harpers Ferry station, category, MARC Train stations]
-
A.
Las Parcelas station
Las Parcelas station is a stop on Santiago’s Metro system serving Line 5 in the city’s western sector.
-
B.
Grandi Stazioni Rail
Grandi Stazioni Rail is an Italian company responsible for managing and redeveloping major railway stations across Italy, including key hubs like Milano Centrale.
-
C.
Quinta Normal station
Quinta Normal station is an underground stop on Santiago's Metro network that serves the Quinta Normal neighborhood and provides access to the nearby Quinta Normal Park and cultural institutions.
-
D.
NS Stations
NS Stations is a Dutch company responsible for managing and developing railway stations and related facilities across the Netherlands.
-
E.
Ayer station
Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
- 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: MARC Train stations Triple: [Harpers Ferry station, category, MARC Train stations]
Generated description
MARC Train stations are passenger rail stops in Maryland and neighboring states served by the Maryland Area Regional Commuter (MARC) train system.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MARC Train stations Target entity description: MARC Train stations are passenger rail stops in Maryland and neighboring states served by the Maryland Area Regional Commuter (MARC) train system.
-
A.
Las Parcelas station
Las Parcelas station is a stop on Santiago’s Metro system serving Line 5 in the city’s western sector.
-
B.
Grandi Stazioni Rail
Grandi Stazioni Rail is an Italian company responsible for managing and redeveloping major railway stations across Italy, including key hubs like Milano Centrale.
-
C.
Quinta Normal station
Quinta Normal station is an underground stop on Santiago's Metro network that serves the Quinta Normal neighborhood and provides access to the nearby Quinta Normal Park and cultural institutions.
-
D.
NS Stations
NS Stations is a Dutch company responsible for managing and developing railway stations and related facilities across the Netherlands.
-
E.
Ayer station
Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
- 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_69aed9626ebc8190a39de631788bea3e |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af02a9bf348190b99cecd19fe65779 |
completed | March 9, 2026, 5:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b57f456bf88190b9b8678476ac3803 |
completed | March 14, 2026, 3:31 p.m. |
| NEDg | Description generation | batch_69b57fe89ed0819089d7e56568755b1c |
completed | March 14, 2026, 3:34 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5805cb7e88190b2f6ed6a18de9319 |
completed | March 14, 2026, 3:35 p.m. |
Created at: March 9, 2026, 3:44 p.m.