Triple
T92561
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Portland, Maine |
E1859
|
entity |
| Predicate | hasLandmark |
P105
|
FINISHED |
| Object |
Maine Narrow Gauge Railroad Museum
The Maine Narrow Gauge Railroad Museum is a heritage railway and museum in Portland, Maine, dedicated to preserving and operating historic two-foot gauge railroad equipment from the state's past.
|
E9060
|
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: Maine Narrow Gauge Railroad Museum | Statement: [Portland, Maine, hasLandmark, Maine Narrow Gauge Railroad Museum]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Maine Narrow Gauge Railroad Museum Context triple: [Portland, Maine, hasLandmark, Maine Narrow Gauge Railroad Museum]
-
A.
Salem Maritime National Historic Site
Salem Maritime National Historic Site is a historic waterfront area in Salem, Massachusetts, preserving 18th- and 19th-century wharves, buildings, and artifacts related to the city’s prominent role in early American maritime trade.
-
B.
California State Railroad Museum
The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
-
C.
New England Aquarium
The New England Aquarium is a major public aquarium and marine conservation center on Boston’s waterfront, known for its giant ocean tank, diverse marine life exhibits, and educational programs.
-
D.
Fogg Museum
The Fogg Museum is a prominent Harvard University art museum renowned for its extensive Western art collections and influential role in art historical research and teaching.
-
E.
Olana State Historic Site
Olana State Historic Site is the former home and Persian-inspired hilltop estate of Hudson River School painter Frederic Edwin Church, now preserved as a museum and landscape overlooking the Hudson River.
- 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: Maine Narrow Gauge Railroad Museum Triple: [Portland, Maine, hasLandmark, Maine Narrow Gauge Railroad Museum]
Generated description
The Maine Narrow Gauge Railroad Museum is a heritage railway and museum in Portland, Maine, dedicated to preserving and operating historic two-foot gauge railroad equipment from the state's past.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Maine Narrow Gauge Railroad Museum Target entity description: The Maine Narrow Gauge Railroad Museum is a heritage railway and museum in Portland, Maine, dedicated to preserving and operating historic two-foot gauge railroad equipment from the state's past.
-
A.
Salem Maritime National Historic Site
Salem Maritime National Historic Site is a historic waterfront area in Salem, Massachusetts, preserving 18th- and 19th-century wharves, buildings, and artifacts related to the city’s prominent role in early American maritime trade.
-
B.
California State Railroad Museum
The California State Railroad Museum is a major railway history museum in Sacramento showcasing historic locomotives, rolling stock, and exhibits on the development of railroads in California and the American West.
-
C.
New England Aquarium
The New England Aquarium is a major public aquarium and marine conservation center on Boston’s waterfront, known for its giant ocean tank, diverse marine life exhibits, and educational programs.
-
D.
Fogg Museum
The Fogg Museum is a prominent Harvard University art museum renowned for its extensive Western art collections and influential role in art historical research and teaching.
-
E.
Olana State Historic Site
Olana State Historic Site is the former home and Persian-inspired hilltop estate of Hudson River School painter Frederic Edwin Church, now preserved as a museum and landscape overlooking the Hudson River.
- 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_69a24d1a97dc819094e6c021fe9b05a7 |
completed | Feb. 28, 2026, 2:04 a.m. |
| NER | Named-entity recognition | batch_69a24faa6d608190920c8fc144e85e21 |
completed | Feb. 28, 2026, 2:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a266ebb994819085fb84dd1d2d25ad |
completed | Feb. 28, 2026, 3:54 a.m. |
| NEDg | Description generation | batch_69a267b740388190a321023aa52a539a |
completed | Feb. 28, 2026, 3:57 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69a2685dc64c8190bd611985d1bc27a3 |
completed | Feb. 28, 2026, 4 a.m. |
Created at: Feb. 28, 2026, 2:07 a.m.