Triple
T15113515
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Devonshire station |
E360973
|
entity |
| Predicate | line |
P1293
|
FINISHED |
| Object | East Boston Tunnel |
E230826
|
NE FINISHED |
How this triple was built (2 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: East Boston Tunnel | Statement: [Devonshire station, line, East Boston Tunnel]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Boston Tunnel Context triple: [Devonshire station, line, East Boston Tunnel]
-
A.
East Boston Tunnel
chosen
The East Boston Tunnel is a historic underwater transit tunnel in Boston that originally carried streetcars and now forms part of the MBTA’s Blue Line subway connection between downtown Boston and East Boston.
-
B.
East New York Tunnel
The East New York Tunnel is a railroad tunnel in Brooklyn, New York, that carries Long Island Rail Road trains beneath the East New York neighborhood.
-
C.
Fort Point Channel Tunnel
The Fort Point Channel Tunnel is an underwater highway tunnel in Boston that carries Interstate 90 beneath the Fort Point Channel as part of the city’s Big Dig infrastructure.
-
D.
Baltimore Harbor Tunnel
The Baltimore Harbor Tunnel is a vehicular tunnel in Baltimore, Maryland, that carries Interstate 895 beneath the harbor as a major route for traffic bypassing downtown.
-
E.
Howard Street Tunnel
The Howard Street Tunnel is a historic railroad tunnel in Baltimore, Maryland, that carries freight trains beneath the city’s downtown.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d85a0491ec8190830960be8fafb994 |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e0058d786c8190937c6819255c01bd |
completed | April 15, 2026, 9:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69feb7eccb988190aae27dd28cf50997 |
completed | May 9, 2026, 4:28 a.m. |
Created at: April 10, 2026, 3:05 a.m.