Triple
T16470320
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Irish gauge |
E400041
|
entity |
| Predicate | distinguishedFrom |
P1612
|
FINISHED |
| Object |
Cape gauge (3 ft 6 in / 1067 mm)
Cape gauge (3 ft 6 in / 1067 mm) is a narrow railway track gauge widely used in southern Africa, parts of Asia, Australia, and New Zealand for mainline and regional railways.
|
E1215476
|
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: Cape gauge (3 ft 6 in / 1067 mm) | Statement: [Irish gauge, distinguishedFrom, Cape gauge (3 ft 6 in / 1067 mm)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cape gauge (3 ft 6 in / 1067 mm) Context triple: [Irish gauge, distinguishedFrom, Cape gauge (3 ft 6 in / 1067 mm)]
-
A.
Pennsylvania trolley gauge
The Pennsylvania trolley gauge is a non-standard, wider-than-standard track gauge historically used by many streetcar and trolley systems in Pennsylvania, notably in the Philadelphia area.
-
B.
North American loading gauge
The North American loading gauge is the standard set of maximum height and width dimensions that railway vehicles and loads must conform to in order to safely operate on North American rail networks.
-
C.
Indian broad gauge
Indian broad gauge is the standard, wider-than-average railway track gauge predominantly used across India’s rail network, enabling high-capacity and heavy-haul train operations.
-
D.
Granite Railway
The Granite Railway was one of the first commercial railroads in the United States, built in Quincy, Massachusetts, to transport granite from local quarries to nearby waterways.
-
E.
Guilford Rail System
Guilford Rail System was a major New England-based freight railroad company that consolidated several regional railroads under common ownership before rebranding as Pan Am Railways.
- 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: Cape gauge (3 ft 6 in / 1067 mm) Triple: [Irish gauge, distinguishedFrom, Cape gauge (3 ft 6 in / 1067 mm)]
Generated description
Cape gauge (3 ft 6 in / 1067 mm) is a narrow railway track gauge widely used in southern Africa, parts of Asia, Australia, and New Zealand for mainline and regional railways.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Cape gauge (3 ft 6 in / 1067 mm) Target entity description: Cape gauge (3 ft 6 in / 1067 mm) is a narrow railway track gauge widely used in southern Africa, parts of Asia, Australia, and New Zealand for mainline and regional railways.
-
A.
Pennsylvania trolley gauge
The Pennsylvania trolley gauge is a non-standard, wider-than-standard track gauge historically used by many streetcar and trolley systems in Pennsylvania, notably in the Philadelphia area.
-
B.
North American loading gauge
The North American loading gauge is the standard set of maximum height and width dimensions that railway vehicles and loads must conform to in order to safely operate on North American rail networks.
-
C.
Indian broad gauge
Indian broad gauge is the standard, wider-than-average railway track gauge predominantly used across India’s rail network, enabling high-capacity and heavy-haul train operations.
-
D.
Granite Railway
The Granite Railway was one of the first commercial railroads in the United States, built in Quincy, Massachusetts, to transport granite from local quarries to nearby waterways.
-
E.
Guilford Rail System
Guilford Rail System was a major New England-based freight railroad company that consolidated several regional railroads under common ownership before rebranding as Pan Am Railways.
- 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_69d87f2dac988190b74d6e185fa88ba4 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32dd0d2fc81909b68b5afb00f192f |
completed | April 18, 2026, 7:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a004f5af4308190bd023624de35027f |
completed | May 10, 2026, 9:26 a.m. |
| NEDg | Description generation | batch_6a0050c5d4548190a674c1c19f08a9fd |
completed | May 10, 2026, 9:32 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0051a7ae208190b33d42cc8d4bb21f |
completed | May 10, 2026, 9:36 a.m. |
Created at: April 10, 2026, 5:11 a.m.