Triple
T2076521
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line (MBTA) |
E44935
|
entity |
| Predicate | connectsStation |
P845
|
FINISHED |
| Object | Capen Street station |
E131132
|
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: Capen Street station | Statement: [Red Line (MBTA), connectsStation, Capen Street station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Capen Street station Context triple: [Red Line (MBTA), connectsStation, Capen Street station]
-
A.
Capen Street station
chosen
Capen Street station is a small light rail stop on the MBTA's Mattapan trolley line in Milton, Massachusetts.
-
B.
Fulton Street station
Fulton Street station is a major New York City Subway complex in Lower Manhattan that serves multiple lines and connects to the Fulton Center transit hub.
-
C.
Grove Street station
Grove Street station is a key underground stop on the PATH rapid transit system serving Jersey City, New Jersey.
-
D.
Sullivan Square station
Sullivan Square station is a major multimodal transit hub in Boston, Massachusetts, serving MBTA Orange Line trains and numerous bus routes that connect the city and surrounding areas.
-
E.
Heath Street station
Heath Street station is the southern terminus of the MBTA Green Line E branch, serving Boston’s Mission Hill neighborhood with light rail service.
- 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_69a88916c2b48190a5ca2e9b12cad3ed |
completed | March 4, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69abba127dcc81909c2365d455eeb746 |
completed | March 7, 2026, 5:39 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af9050216c8190b4e4af7cc4c9bb42 |
completed | March 10, 2026, 3:30 a.m. |
Created at: March 4, 2026, 7:41 p.m.