Triple
T15722571
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line Union Square branch |
E381136
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Union Square station |
E265143
|
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: Union Square station | Statement: [Green Line Union Square branch, terminus, Union Square station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Square station Context triple: [Green Line Union Square branch, terminus, Union Square station]
-
A.
Union Square station
chosen
Union Square station is a Massachusetts Bay Transportation Authority (MBTA) Green Line light rail station serving the Union Square neighborhood of Somerville, Massachusetts.
-
B.
Grand Central–42nd Street station
Grand Central–42nd Street station is a major New York City transit hub in Midtown Manhattan that connects multiple subway lines with Grand Central Terminal’s commuter rail services.
-
C.
Central Park station
Central Park station is a commuter rail stop in Denver, Colorado, serving the A Line that connects Denver Union Station with Denver International Airport.
-
D.
14th Street–Union Square station
14th Street–Union Square station is a major New York City subway hub in Manhattan that serves multiple lines and provides access to the busy Union Square area.
-
E.
Wall Street station
Wall Street station is a New York City Subway station in Lower Manhattan serving the Financial District near the New York Stock Exchange.
- 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_69d86d9bf930819082b30cf6d169297c |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e04fb1fdd4819088f3e243263e5f73 |
completed | April 16, 2026, 2:55 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff82f68bf881909e5ad8a6ab81684a |
completed | May 9, 2026, 6:54 p.m. |
Created at: April 10, 2026, 4:45 a.m.