Triple
T9810753
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | New Haven Line at Grand Central Terminal |
E238263
|
entity |
| Predicate | terminusFor |
P388
|
FINISHED |
| Object | Danbury Branch |
E144410
|
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: Danbury Branch | Statement: [New Haven Line at Grand Central Terminal, terminusFor, Danbury Branch]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Danbury Branch Context triple: [New Haven Line at Grand Central Terminal, terminusFor, Danbury Branch]
-
A.
Danbury Branch
chosen
The Danbury Branch is a commuter rail line in southwestern Connecticut operated by Metro-North Railroad, connecting Danbury and intermediate towns to the New Haven Line and the New York City region.
-
B.
Waterbury Branch
The Waterbury Branch is a commuter rail line in Connecticut operated by Metro-North Railroad, running between Waterbury and the New Haven Line at Bridgeport.
-
C.
Newtown Branch
Newtown Branch is a former SEPTA regional rail line in the Philadelphia area that once extended service beyond Fox Chase station into suburban Bucks County.
-
D.
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.
-
E.
New Canaan Branch
The New Canaan Branch is a commuter rail line in Connecticut operated by Metro-North Railroad, connecting the town of New Canaan to the New Haven Line and the broader New York metropolitan rail network.
- 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_69ca84defac48190abc1148804f184c1 |
completed | March 30, 2026, 2:12 p.m. |
| NER | Named-entity recognition | batch_69cdb2214a7c8190b516acf64e2b85db |
completed | April 2, 2026, 12:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d1cc5f768c8190987aaa7164f42444 |
completed | April 5, 2026, 2:43 a.m. |
Created at: March 30, 2026, 8:30 p.m.