Triple
T18990611
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | M (New York City Subway service) |
E464671
|
entity |
| Predicate | networkDivision |
P75986
|
FINISHED |
| Object | IND/BMT |
—
|
NE NERFINISHED |
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: IND/BMT | Statement: [M (New York City Subway service), networkDivision, IND/BMT]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: IND/BMT Context triple: [M (New York City Subway service), networkDivision, IND/BMT]
-
A.
IND/BMT Division
chosen
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).
-
B.
BMT
BMT is a long-distance hiking trail in the southeastern United States that traverses the Appalachian Mountains, named after conservationist Benton MacKaye.
-
C.
BMT
BMT (Brooklyn–Manhattan Transit Corporation) was a major private New York City subway operator whose lines now form one of the primary divisions of the modern NYC Subway system.
-
D.
IND
IND (Independent Subway System) was New York City's municipally built and operated subway network that later became one of the three major divisions of the unified NYC Subway.
-
E.
IND
IND is the three-letter IATA airport code for Indianapolis International Airport, the primary commercial airport serving Indianapolis, Indiana.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8dd01a56c81909694a128c66b21d7 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d6632cb08190a28f6ab74c2156d8 |
completed | April 20, 2026, 7:31 a.m. |
Created at: April 10, 2026, 12:01 p.m.