Triple
T5487080
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lake Shore and Michigan Southern Railway |
E123608
|
entity |
| Predicate | notableRoute |
P22
|
FINISHED |
| Object |
Chicago–Cleveland route
The Chicago–Cleveland route is a major Midwestern rail corridor that historically linked Chicago, Illinois, with Cleveland, Ohio, serving as a key segment for passenger and freight traffic across the Great Lakes region.
|
E522782
|
NE FINISHED |
How this triple was built (4 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: Chicago–Cleveland route | Statement: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Cleveland route]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chicago–Cleveland route Context triple: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Cleveland route]
-
A.
Pittsburgh–Chicago route
The Pittsburgh–Chicago route was a major Pennsylvania Railroad passenger and freight corridor linking the industrial centers of Pittsburgh, Pennsylvania, and Chicago, Illinois.
-
B.
Chicago–Twin Cities route
The Chicago–Twin Cities route was a major passenger and freight rail corridor linking Chicago with Minneapolis–Saint Paul, historically served by several prominent Midwestern railroads.
-
C.
Chicago–Ann Arbor corridor
The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
-
D.
New York–St. Louis route
The New York–St. Louis route was a major intercity passenger and freight rail corridor in the United States that connected the East Coast with the Midwest.
-
E.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chicago–Cleveland route Triple: [Lake Shore and Michigan Southern Railway, notableRoute, Chicago–Cleveland route]
Generated description
The Chicago–Cleveland route is a major Midwestern rail corridor that historically linked Chicago, Illinois, with Cleveland, Ohio, serving as a key segment for passenger and freight traffic across the Great Lakes region.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chicago–Cleveland route Target entity description: The Chicago–Cleveland route is a major Midwestern rail corridor that historically linked Chicago, Illinois, with Cleveland, Ohio, serving as a key segment for passenger and freight traffic across the Great Lakes region.
-
A.
Pittsburgh–Chicago route
The Pittsburgh–Chicago route was a major Pennsylvania Railroad passenger and freight corridor linking the industrial centers of Pittsburgh, Pennsylvania, and Chicago, Illinois.
-
B.
Chicago–Twin Cities route
The Chicago–Twin Cities route was a major passenger and freight rail corridor linking Chicago with Minneapolis–Saint Paul, historically served by several prominent Midwestern railroads.
-
C.
Chicago–Ann Arbor corridor
The Chicago–Ann Arbor corridor is a key Midwestern passenger rail route linking Chicago, Illinois with Ann Arbor, Michigan and other intermediate cities.
-
D.
New York–St. Louis route
The New York–St. Louis route was a major intercity passenger and freight rail corridor in the United States that connected the East Coast with the Midwest.
-
E.
Chicago–Omaha main line
The Chicago–Omaha main line was a principal transcontinental rail corridor in the Midwestern United States, linking Chicago with Omaha and serving as a key route for both passenger and freight traffic.
- F. None of above. chosen
Provenance (5 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_69bd464a2d908190869324ce176779c8 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd92639b3481908845c280d334117f |
completed | March 20, 2026, 6:30 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf48aa12708190add69c5fd51d161d |
completed | March 22, 2026, 1:40 a.m. |
| NEDg | Description generation | batch_69bf4a2b6c508190ad13f6d9823ad747 |
completed | March 22, 2026, 1:47 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf4a87d1fc8190a0e0e75d6f9cd766 |
completed | March 22, 2026, 1:48 a.m. |
Created at: March 20, 2026, 2:10 p.m.