Triple
T18926752
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mount Washington Cog Railway |
E462993
|
entity |
| Predicate | founder |
P104
|
FINISHED |
| Object |
Sylvester Marsh
Sylvester Marsh was a 19th-century American inventor and entrepreneur best known for conceiving and building the pioneering Mount Washington Cog Railway in New Hampshire.
|
E1349244
|
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: Sylvester Marsh | Statement: [Mount Washington Cog Railway, founder, Sylvester Marsh]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sylvester Marsh Context triple: [Mount Washington Cog Railway, founder, Sylvester Marsh]
-
A.
Lawrence Swamp
Lawrence Swamp is a wetland area in Amherst, Massachusetts, known for its diverse wildlife habitat and recreational trails.
-
B.
Beaver Marsh
Beaver Marsh is a restored wetland area within Cuyahoga Valley National Park known for its rich wildlife habitat and scenic boardwalk views.
-
C.
Great Meadows
Great Meadows is a historic open field in Pennsylvania that served as the site of George Washington’s early military engagement and the Battle of Fort Necessity during the French and Indian War.
-
D.
Great Meadows
Great Meadows is a small unincorporated community in Independence Township, Warren County, New Jersey, known for its rural character and surrounding wetlands.
-
E.
McDaniels Marsh
McDaniels Marsh is a wetland area and waterbody located within the Merrimack River watershed, contributing to the region’s hydrology and wildlife habitat.
- 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: Sylvester Marsh Triple: [Mount Washington Cog Railway, founder, Sylvester Marsh]
Generated description
Sylvester Marsh was a 19th-century American inventor and entrepreneur best known for conceiving and building the pioneering Mount Washington Cog Railway in New Hampshire.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Sylvester Marsh Target entity description: Sylvester Marsh was a 19th-century American inventor and entrepreneur best known for conceiving and building the pioneering Mount Washington Cog Railway in New Hampshire.
-
A.
Lawrence Swamp
Lawrence Swamp is a wetland area in Amherst, Massachusetts, known for its diverse wildlife habitat and recreational trails.
-
B.
Beaver Marsh
Beaver Marsh is a restored wetland area within Cuyahoga Valley National Park known for its rich wildlife habitat and scenic boardwalk views.
-
C.
Great Meadows
Great Meadows is a historic open field in Pennsylvania that served as the site of George Washington’s early military engagement and the Battle of Fort Necessity during the French and Indian War.
-
D.
Great Meadows
Great Meadows is a small unincorporated community in Independence Township, Warren County, New Jersey, known for its rural character and surrounding wetlands.
-
E.
McDaniels Marsh
McDaniels Marsh is a wetland area and waterbody located within the Merrimack River watershed, contributing to the region’s hydrology and wildlife habitat.
- 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_69d8dcfdbbb881909964fa5a75bd0b48 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c9bc36588190ae9cc3b8abf8afd4 |
completed | April 20, 2026, 6:37 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a05911dd02c81909ea050471cc7774a |
completed | May 14, 2026, 9:08 a.m. |
| NEDg | Description generation | batch_6a05935f68bc819084d1f46fd9d51a2e |
completed | May 14, 2026, 9:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a05944851d48190827e1a7fe9a795d5 |
completed | May 14, 2026, 9:22 a.m. |
Created at: April 10, 2026, 11:59 a.m.