Triple
T15805815
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New York City Subway M line |
E383212
|
entity |
| Predicate | division |
P889
|
FINISHED |
| Object | B Division (IND/BMT) |
E450167
|
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: B Division (IND/BMT) | Statement: [New York City Subway M line, division, B Division (IND/BMT)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: B Division (IND/BMT) Context triple: [New York City Subway M line, division, B Division (IND/BMT)]
-
A.
BMT Division
The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
-
B.
BMT Division
BMT Division is a specialized organizational unit focused on bone marrow transplantation and related hematologic treatments.
-
C.
B Division (New York City Subway)
chosen
B Division (New York City Subway) is the portion of New York City's subway system that operates the wider, lettered routes—primarily in Manhattan, Brooklyn, and Queens—using larger cars and distinct infrastructure from the numbered-line A Division.
-
D.
A Division (New York City Subway)
The A Division of the New York City Subway is the group of numbered subway lines originally built to smaller IRT specifications, encompassing routes such as those on the West Side of Manhattan.
-
E.
IND/BMT Division
The IND/BMT Division is a major operational sector of the New York City Subway system that encompasses the lines and services originally built by the Independent Subway System (IND) and the Brooklyn–Manhattan Transit Corporation (BMT).
- 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_69d86da2858c819090cc8481e7207b6e |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e0b52682548190998d8b6a08982877 |
completed | April 16, 2026, 10:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff998d17648190b9f020632461965f |
completed | May 9, 2026, 8:31 p.m. |
Created at: April 10, 2026, 4:48 a.m.