Triple
T12761407
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dumbarton Bridge (State Route 84) |
E305002
|
entity |
| Predicate | parallelTo |
P1868
|
FINISHED |
| Object |
Dumbarton Rail Bridge
The Dumbarton Rail Bridge is a historic railroad bridge spanning the southern part of San Francisco Bay in California, once used for freight and passenger trains and now largely inactive.
|
E1133897
|
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: Dumbarton Rail Bridge | Statement: [Dumbarton Bridge (State Route 84), parallelTo, Dumbarton Rail Bridge]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Dumbarton Rail Bridge Context triple: [Dumbarton Bridge (State Route 84), parallelTo, Dumbarton Rail Bridge]
-
A.
Calderbank Bridge
Calderbank Bridge is a road bridge spanning the North Calder Water in North Lanarkshire, Scotland, linking the village of Calderbank to surrounding areas.
-
B.
Dunbar Toll Bridge
The Dunbar Toll Bridge is a vehicular bridge in West Virginia that provides a key crossing and local connection over the Kanawha River.
-
C.
Erskine Bridge
Erskine Bridge is a major cable-stayed road bridge in western Scotland that spans the River Clyde, linking West Dunbartonshire with Renfrewshire.
-
D.
Dumbarton Bridge
The Dumbarton Bridge is a major vehicular bridge in the San Francisco Bay Area that provides a key east–west crossing between the Peninsula and the East Bay.
-
E.
Ballachulish Bridge
Ballachulish Bridge is a road bridge in the Scottish Highlands that spans Loch Leven, linking the villages of North and South Ballachulish and forming part of the A82 route.
- 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: Dumbarton Rail Bridge Triple: [Dumbarton Bridge (State Route 84), parallelTo, Dumbarton Rail Bridge]
Generated description
The Dumbarton Rail Bridge is a historic railroad bridge spanning the southern part of San Francisco Bay in California, once used for freight and passenger trains and now largely inactive.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Dumbarton Rail Bridge Target entity description: The Dumbarton Rail Bridge is a historic railroad bridge spanning the southern part of San Francisco Bay in California, once used for freight and passenger trains and now largely inactive.
-
A.
Calderbank Bridge
Calderbank Bridge is a road bridge spanning the North Calder Water in North Lanarkshire, Scotland, linking the village of Calderbank to surrounding areas.
-
B.
Dunbar Toll Bridge
The Dunbar Toll Bridge is a vehicular bridge in West Virginia that provides a key crossing and local connection over the Kanawha River.
-
C.
Erskine Bridge
Erskine Bridge is a major cable-stayed road bridge in western Scotland that spans the River Clyde, linking West Dunbartonshire with Renfrewshire.
-
D.
Dumbarton Bridge
The Dumbarton Bridge is a major vehicular bridge in the San Francisco Bay Area that provides a key east–west crossing between the Peninsula and the East Bay.
-
E.
Ballachulish Bridge
Ballachulish Bridge is a road bridge in the Scottish Highlands that spans Loch Leven, linking the villages of North and South Ballachulish and forming part of the A82 route.
- 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_69d7bdf1fcd081909ffb0e0d6fa3a07d |
completed | April 9, 2026, 2:55 p.m. |
| NER | Named-entity recognition | batch_69d96d8e44188190840cd23d380bf23d |
completed | April 10, 2026, 9:37 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fe9db383cc8190b1c65d202785838a |
completed | May 9, 2026, 2:36 a.m. |
| NEDg | Description generation | batch_69fe9e6ec16081909cc55fd11bc89eb4 |
completed | May 9, 2026, 2:39 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69fe9eedca1481908ce438991184d62e |
completed | May 9, 2026, 2:41 a.m. |
Created at: April 9, 2026, 5:28 p.m.