Triple
T22626758
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Needles Highway |
E558441
|
entity |
| Predicate | hasTouristAttraction |
P530
|
FINISHED |
| Object |
Iron Creek Tunnel
Iron Creek Tunnel is a narrow, scenic rock tunnel carved through granite along South Dakota’s Needles Highway, known for its dramatic views and tight vehicle passage.
|
E1546294
|
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: Iron Creek Tunnel | Statement: [Needles Highway, hasTouristAttraction, Iron Creek Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Iron Creek Tunnel Context triple: [Needles Highway, hasTouristAttraction, Iron Creek Tunnel]
-
A.
West Branch Tunnel
West Branch Tunnel is a major underground conduit within New York’s Delaware Aqueduct system that transports drinking water from upstate reservoirs toward New York City.
-
B.
East Branch Tunnel
East Branch Tunnel is a major underground conduit within New York’s Delaware Aqueduct system that transports drinking water from upstate reservoirs toward New York City.
-
C.
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.
-
D.
Sumner Tunnel
The Sumner Tunnel is a major vehicular tunnel in Boston that carries traffic under Boston Harbor between East Boston and downtown.
-
E.
Summit Tunnel
Summit Tunnel is a historic railway tunnel in northern England, renowned as one of the earliest and longest major railway tunnels built during the early Victorian era.
- 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: Iron Creek Tunnel Triple: [Needles Highway, hasTouristAttraction, Iron Creek Tunnel]
Generated description
Iron Creek Tunnel is a narrow, scenic rock tunnel carved through granite along South Dakota’s Needles Highway, known for its dramatic views and tight vehicle passage.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Iron Creek Tunnel Target entity description: Iron Creek Tunnel is a narrow, scenic rock tunnel carved through granite along South Dakota’s Needles Highway, known for its dramatic views and tight vehicle passage.
-
A.
West Branch Tunnel
West Branch Tunnel is a major underground conduit within New York’s Delaware Aqueduct system that transports drinking water from upstate reservoirs toward New York City.
-
B.
East Branch Tunnel
East Branch Tunnel is a major underground conduit within New York’s Delaware Aqueduct system that transports drinking water from upstate reservoirs toward New York City.
-
C.
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.
-
D.
Sumner Tunnel
The Sumner Tunnel is a major vehicular tunnel in Boston that carries traffic under Boston Harbor between East Boston and downtown.
-
E.
Summit Tunnel
Summit Tunnel is a historic railway tunnel in northern England, renowned as one of the earliest and longest major railway tunnels built during the early Victorian era.
- 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_69e245467d9881908d6985bd0db7a1f1 |
completed | April 17, 2026, 2:35 p.m. |
| NER | Named-entity recognition | batch_69f16e3e09ec8190af940c25c7e8e029 |
completed | April 29, 2026, 2:34 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0b4e093d288190bd46a771227981b8 |
completed | May 18, 2026, 5:36 p.m. |
| NEDg | Description generation | batch_6a0b4f13b2fc8190807c8dda3733cf53 |
completed | May 18, 2026, 5:40 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0b4fffea548190b0c3d9cce1c89aa9 |
completed | May 18, 2026, 5:44 p.m. |
Created at: April 17, 2026, 3:01 p.m.