Triple
T22065845
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad tracks |
E545265
|
entity |
| Predicate | includesStructureOnHistoricMainLine |
P128655
|
FINISHED |
| Object |
Gallitzin Tunnels
The Gallitzin Tunnels are a historic set of railroad tunnels in central Pennsylvania that carried major east–west rail traffic through the Allegheny Mountains and played a key role in the development of the Pennsylvania Railroad.
|
E1516393
|
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: Gallitzin Tunnels | Statement: [Pennsylvania Railroad tracks, includesStructureOnHistoricMainLine, Gallitzin Tunnels]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Gallitzin Tunnels Context triple: [Pennsylvania Railroad tracks, includesStructureOnHistoricMainLine, Gallitzin Tunnels]
-
A.
Sumner Tunnel
The Sumner Tunnel is a major vehicular tunnel in Boston that carries traffic under Boston Harbor between East Boston and downtown.
-
B.
Homer Tunnel
Homer Tunnel is a road tunnel in New Zealand’s Fiordland that provides critical access through the mountains on the route to Milford Sound.
-
C.
Adams Tunnel
Adams Tunnel is a major transmountain water diversion tunnel in Colorado that conveys Colorado River water beneath the Continental Divide to the eastern slope as part of a large federal water project.
-
D.
Enlow Tunnel
Enlow Tunnel is a historic railroad tunnel in Pennsylvania that now serves as part of the multi-use Montour Trail for hikers and cyclists.
-
E.
O'Neill Tunnel
The O'Neill Tunnel is a major highway tunnel in downtown Boston that carries Interstate 93 beneath the city as part of the Big Dig project.
- 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: Gallitzin Tunnels Triple: [Pennsylvania Railroad tracks, includesStructureOnHistoricMainLine, Gallitzin Tunnels]
Generated description
The Gallitzin Tunnels are a historic set of railroad tunnels in central Pennsylvania that carried major east–west rail traffic through the Allegheny Mountains and played a key role in the development of the Pennsylvania Railroad.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Gallitzin Tunnels Target entity description: The Gallitzin Tunnels are a historic set of railroad tunnels in central Pennsylvania that carried major east–west rail traffic through the Allegheny Mountains and played a key role in the development of the Pennsylvania Railroad.
-
A.
Sumner Tunnel
The Sumner Tunnel is a major vehicular tunnel in Boston that carries traffic under Boston Harbor between East Boston and downtown.
-
B.
Homer Tunnel
Homer Tunnel is a road tunnel in New Zealand’s Fiordland that provides critical access through the mountains on the route to Milford Sound.
-
C.
Adams Tunnel
Adams Tunnel is a major transmountain water diversion tunnel in Colorado that conveys Colorado River water beneath the Continental Divide to the eastern slope as part of a large federal water project.
-
D.
Enlow Tunnel
Enlow Tunnel is a historic railroad tunnel in Pennsylvania that now serves as part of the multi-use Montour Trail for hikers and cyclists.
-
E.
O'Neill Tunnel
The O'Neill Tunnel is a major highway tunnel in downtown Boston that carries Interstate 93 beneath the city as part of the Big Dig project.
- 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_69e11e344dfc81909b1d88a7221329c7 |
completed | April 16, 2026, 5:36 p.m. |
| NER | Named-entity recognition | batch_69f12883d2108190a6127783f8f635fc |
completed | April 28, 2026, 9:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0a80af70208190b13181f4be83f876 |
completed | May 18, 2026, 2:59 a.m. |
| NEDg | Description generation | batch_6a0a8187516481909d8075dfc025614e |
completed | May 18, 2026, 3:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0a8267498481908a2ba238fcdc1547 |
completed | May 18, 2026, 3:07 a.m. |
Created at: April 16, 2026, 8:27 p.m.