Triple
T21689350
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sumner Tunnel |
E535316
|
entity |
| Predicate | isParallelTo |
P1868
|
FINISHED |
| Object |
Callahan Tunnel
The Callahan Tunnel is a major vehicular tunnel in Boston, Massachusetts, carrying traffic under Boston Harbor between downtown and East Boston.
|
E535316
|
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: Callahan Tunnel | Statement: [Sumner Tunnel, isParallelTo, Callahan Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Callahan Tunnel Context triple: [Sumner Tunnel, isParallelTo, Callahan Tunnel]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
Summit Tunnel
Summit Tunnel is a historic railroad tunnel driven through the Sierra Nevada in California, notable for its challenging 19th-century construction as part of the First Transcontinental Railroad.
-
E.
Sumner Tunnel
The Sumner Tunnel is a major vehicular tunnel in Boston that carries traffic under Boston Harbor between East Boston and downtown.
- 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: Callahan Tunnel Triple: [Sumner Tunnel, isParallelTo, Callahan Tunnel]
Generated description
The Callahan Tunnel is a major vehicular tunnel in Boston, Massachusetts, carrying traffic under Boston Harbor between downtown and East Boston.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Callahan Tunnel Target entity description: The Callahan Tunnel is a major vehicular tunnel in Boston, Massachusetts, carrying traffic under Boston Harbor between downtown and East Boston.
-
A.
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.
-
B.
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.
-
C.
Summit Tunnel
Summit Tunnel is a historic railroad tunnel driven through the Sierra Nevada in California, notable for its challenging 19th-century construction as part of the First Transcontinental Railroad.
-
D.
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.
-
E.
Sumner Tunnel
chosen
The Sumner Tunnel is a major vehicular tunnel in Boston that carries traffic under Boston Harbor between East Boston and downtown.
- F. None of above.
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_69e0c469b6ec8190aee4cadd1527db91 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ef96ce2ff88190a6cbfff45bb6a04f |
completed | April 27, 2026, 5:03 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0a1e23a7308190bb36c101760e46dc |
completed | May 17, 2026, 7:59 p.m. |
| NEDg | Description generation | batch_6a0a1facb8a48190b61f8df03b38a939 |
completed | May 17, 2026, 8:06 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0a202f4c6c8190b46839b2edab7b60 |
completed | May 17, 2026, 8:08 p.m. |
Created at: April 16, 2026, 6:44 p.m.