Triple
T9087621
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line (MBTA) |
E217798
|
entity |
| Predicate | hasBranch |
P35
|
FINISHED |
| Object | Ashmont branch |
E19136
|
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: Ashmont branch | Statement: [Red Line (MBTA), hasBranch, Ashmont branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ashmont branch Context triple: [Red Line (MBTA), hasBranch, Ashmont branch]
-
A.
Ashmont branch
chosen
The Ashmont branch is a southern segment of Boston's MBTA Red Line rapid transit system that serves neighborhoods including Dorchester and terminates at Ashmont station.
-
B.
Stoughton Branch
Stoughton Branch is a commuter rail branch line in Massachusetts that serves the town of Stoughton as part of the MBTA’s Providence/Stoughton Line.
-
C.
North End Branch
North End Branch is a neighborhood library facility that serves as one of the community branches of the Newark Public Library system in Newark, New Jersey.
-
D.
Ashmont
Ashmont is a major Boston subway and bus terminal in the Dorchester neighborhood that serves as one of the southern endpoints of the MBTA Red Line.
-
E.
Ballard Branch
Ballard Branch is a neighborhood library of the Seattle Public Library system serving the Ballard area with books, media, and community services.
- 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_69ca83d8ab5881909d8fddae363b32b1 |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69cc965646408190b041ab0e2d5dbc94 |
completed | April 1, 2026, 3:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d017d500988190a6abf633f2226858 |
completed | April 3, 2026, 7:41 p.m. |
Created at: March 30, 2026, 7:13 p.m.