Triple
T17287315
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MPI HSP46 |
E419691
|
entity |
| Predicate | usedIn |
P98
|
FINISHED |
| Object | Boston-area commuter rail network |
E30305
|
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: Boston-area commuter rail network | Statement: [MPI HSP46, usedIn, Boston-area commuter rail network]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston-area commuter rail network Context triple: [MPI HSP46, usedIn, Boston-area commuter rail network]
-
A.
Philadelphia commuter rail network
The Philadelphia commuter rail network is a regional passenger rail system serving the greater Philadelphia area, primarily operated by SEPTA and connecting the city with its surrounding suburbs.
-
B.
MBTA Commuter Rail network
chosen
The MBTA Commuter Rail network is a regional passenger rail system serving Greater Boston and surrounding communities in Massachusetts and parts of Rhode Island.
-
C.
Chicago metropolitan area commuter rail network
The Chicago metropolitan area commuter rail network is a regional passenger rail system serving Chicago and its surrounding suburbs, primarily operated by Metra.
-
D.
AMT commuter rail network
The AMT commuter rail network was the former name of Greater Montreal’s regional passenger rail system, now operated under the Exo brand.
-
E.
New York City metropolitan area commuter rail network
The New York City metropolitan area commuter rail network is an extensive system of regional passenger rail lines that connect New York City with its surrounding suburbs across multiple states, primarily operated by agencies such as the Long Island Rail Road, Metro-North Railroad, and NJ Transit.
- 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_69d886db32608190a61e18862c5a8af6 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e43780fad88190b82193c8335e2f11 |
completed | April 19, 2026, 2:01 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0180d49ff08190bd73245adfb86760 |
completed | May 11, 2026, 7:10 a.m. |
Created at: April 10, 2026, 5:40 a.m.