Triple
T19658028
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Lowell Line |
E471999
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Anderson Regional Transportation Center |
—
|
NE NERFINISHED |
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: Anderson Regional Transportation Center | Statement: [MBTA Lowell Line, connectsTo, Anderson Regional Transportation Center]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Anderson Regional Transportation Center Context triple: [MBTA Lowell Line, connectsTo, Anderson Regional Transportation Center]
-
A.
Anderson Regional Transportation Center
chosen
Anderson Regional Transportation Center is a major intermodal transit hub in Woburn, Massachusetts, serving commuter rail and bus passengers traveling to and from the Greater Boston area.
-
B.
Aurora Transportation Center
Aurora Transportation Center is a major commuter rail and bus hub in Aurora, Illinois, serving as the western terminus for Metra’s BNSF Railway Line and a key regional transit center.
-
C.
Gateway Transportation Center
Gateway Transportation Center is the main intermodal transit hub in St. Louis, Missouri, serving Amtrak trains, intercity buses, and local transit.
-
D.
Downtown Transit Center
Downtown Transit Center is the primary bus and transit hub in downtown Indianapolis serving as the main transfer point for IndyGo’s public transportation network.
-
E.
Downtown Transit Center
Downtown Transit Center is a major public transportation hub in central Houston that connects METRORail with numerous local bus routes for commuters and visitors.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8e51395348190ac1416d46dfc6db0 |
completed | April 10, 2026, 11:54 a.m. |
| NER | Named-entity recognition | batch_69e641475f408190bd42ef3f8d590719 |
completed | April 20, 2026, 3:07 p.m. |
Created at: April 10, 2026, 1:45 p.m.