Triple
T21717278
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Conrail blue |
E536061
|
entity |
| Predicate | predecessorFleetsIncluded |
P145078
|
FINISHED |
| Object | Penn Central |
—
|
NE NERFINISHED |
How this triple was built (3 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: Penn Central | Statement: [Conrail blue, predecessorFleetsIncluded, Penn Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penn Central Context triple: [Conrail blue, predecessorFleetsIncluded, Penn Central]
-
A.
Penn Central Transportation Company
chosen
Penn Central Transportation Company was a major American railroad formed in 1968 by the merger of the Pennsylvania Railroad and the New York Central Railroad, later becoming infamous for its massive bankruptcy.
-
B.
Erie Railroad Co. v. Tompkins
Erie Railroad Co. v. Tompkins is a landmark 1938 U.S. Supreme Court decision that ended the practice of federal general common law and required federal courts in diversity cases to apply state substantive law.
-
C.
National Railroad Passenger Corp. v. Morgan
National Railroad Passenger Corp. v. Morgan is a 2002 U.S. Supreme Court decision that clarified the time limits for filing employment discrimination claims, distinguishing between discrete acts and continuing violations under Title VII.
-
D.
United States v. Trans-Missouri Freight Association
United States v. Trans-Missouri Freight Association was an 1897 U.S. Supreme Court antitrust case that held railroad rate-fixing agreements violated the Sherman Antitrust Act, even if the rates were reasonable.
-
E.
Railway Express Agency v. New York
Railway Express Agency v. New York is a 1949 U.S. Supreme Court decision that upheld a New York City traffic regulation restricting advertising on vehicles against an Equal Protection Clause challenge.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: predecessorFleetsIncluded Context triple: [Conrail blue, predecessorFleetsIncluded, Penn Central]
-
A.
predecessorFaction
Indicates that one faction historically preceded and was replaced or succeeded by another faction.
-
B.
formerFleetType
Indicates that an entity previously belonged to or operated as a specified type of fleet, but no longer does so.
-
C.
predecessorFranchise
Indicates that one franchise directly precedes and is succeeded by another franchise in a series or lineage.
-
D.
predecessorFamily
Indicates that one family is the earlier or ancestral family from which another family descends or follows.
-
E.
predecessorAircraft
Indicates that one aircraft model directly precedes another in a developmental or generational sequence.
- F. None of above. chosen
Provenance (4 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_69e0c46c6dd88190a595375fa6ebd701 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69efd96babdc81908226ec043dbe7431 |
completed | April 27, 2026, 9:47 p.m. |
| PD | Predicate disambiguation | batch_69e6969725bc81908e7ad19619ba2688 |
completed | April 20, 2026, 9:11 p.m. |
| PDg | Predicate description generation | batch_69e69b4aa2b48190830107391e81571a |
completed | April 20, 2026, 9:31 p.m. |
Created at: April 16, 2026, 6:47 p.m.