Triple
T9903777
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Watertown branch of the Green Line A |
E182351
|
entity |
| Predicate | servedArea |
P82
|
FINISHED |
| Object | Union Square, Allston |
E188233
|
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, Allston | Statement: [Watertown branch of the Green Line A, servedArea, Union Square, Allston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Union Square, Allston Context triple: [Watertown branch of the Green Line A, servedArea, Union Square, Allston]
-
A.
Union Square, Allston
chosen
Union Square in Allston is a busy commercial and transit hub in Boston’s Allston neighborhood, known for its shops, restaurants, and frequent bus connections.
-
B.
Porter Square
Porter Square is a bustling commercial and transit hub in northern Cambridge, Massachusetts, known for its shopping centers, restaurants, and MBTA Red Line and commuter rail station.
-
C.
Union Square, Somerville
Union Square, Somerville is a vibrant commercial and cultural hub in Somerville, Massachusetts, known for its diverse restaurants, nightlife, and community events.
-
D.
Davis Square
Davis Square is a vibrant commercial and cultural neighborhood in Somerville, Massachusetts, known for its restaurants, nightlife, arts scene, and MBTA Red Line station.
-
E.
Medford Square
Medford Square is the historic downtown center of Medford, Massachusetts, known for its preserved architecture, civic buildings, and role as the city’s commercial and cultural hub.
- 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_69ca82876f8081909cf75df0f99bb13f |
completed | March 30, 2026, 2:02 p.m. |
| NER | Named-entity recognition | batch_69cdb4e4f92c81908e38509416f19c78 |
completed | April 2, 2026, 12:14 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1eb2c1d5c8190b6f1c43254487893 |
completed | April 5, 2026, 4:55 a.m. |
Created at: March 30, 2026, 8:40 p.m.