Triple
T3166816
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Square (Somerville, Massachusetts) |
E66230
|
entity |
| Predicate | hasTransportation |
P105
|
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: [Union Square (Somerville, Massachusetts), hasTransportation, Union Square station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Square station Context triple: [Union Square (Somerville, Massachusetts), hasTransportation, 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.
Grand Central Terminal
Grand Central Terminal is a historic Beaux-Arts railway station and iconic transportation hub in Midtown Manhattan, renowned for its grand architecture and celestial main concourse ceiling.
-
D.
34th Street–Herald Square station
34th Street–Herald Square station is a major New York City subway hub in Midtown Manhattan that serves multiple lines and provides access to nearby shopping, business, and cultural districts.
-
E.
Capen Street station
Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
- 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_69ad8585d7988190af37365331093ccd |
completed | March 8, 2026, 2:19 p.m. |
| NER | Named-entity recognition | batch_69ada643e3e481908f4526d66e36e150 |
completed | March 8, 2026, 4:39 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b24b552b488190938ed9fe4d046b01 |
completed | March 12, 2026, 5:12 a.m. |
Created at: March 8, 2026, 3:06 p.m.