Triple
T15897605
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mattapan Yard |
E385500
|
entity |
| Predicate | servesRouteTerminus |
P20599
|
FINISHED |
| Object | Mattapan terminus of the Mattapan High-Speed Line |
—
|
LITERAL 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: Mattapan terminus of the Mattapan High-Speed Line | Statement: [Mattapan Yard, servesRouteTerminus, Mattapan terminus of the Mattapan High-Speed Line]
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servesRouteTerminus Context triple: [Mattapan Yard, servesRouteTerminus, Mattapan terminus of the Mattapan High-Speed Line]
-
A.
servesRoute
Indicates that a service, vehicle, or provider operates along or provides transportation for a specified route.
-
B.
servesTerminal
chosen
Indicates that one entity functions as a terminal or endpoint facility that is served or operated by another entity.
-
C.
serviceRoute
Indicates that a service (such as a transport or delivery operation) follows or is assigned to a particular route.
-
D.
servedByStateRoute
Indicates that a location, facility, or area is provided access or transportation service by a particular state route.
-
E.
servesServicePattern
Indicates that one entity provides or operates according to a particular service pattern or schedule for another.
- F. None of above.
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_69d86da5b800819083a31be937d738b0 |
completed | April 10, 2026, 3:25 a.m. |
| NER | Named-entity recognition | batch_69e17d4d08f481909f38b75e3f42d9ab |
completed | April 17, 2026, 12:22 a.m. |
| PD | Predicate disambiguation | batch_69e142ca3b208190946c3aa4c1e6087c |
completed | April 16, 2026, 8:12 p.m. |
Created at: April 10, 2026, 4:51 a.m.