Triple
T15434065
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Monon Railroad |
E369712
|
entity |
| Predicate | railLine |
P848
|
FINISHED |
| Object |
Indianapolis–Michigan City line
The Indianapolis–Michigan City line was a key north–south route of the Monon Railroad in Indiana, connecting the state capital with the Lake Michigan region and serving both passenger and freight traffic.
|
E1159613
|
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: Indianapolis–Michigan City line | Statement: [Monon Railroad, railLine, Indianapolis–Michigan City line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Indianapolis–Michigan City line Context triple: [Monon Railroad, railLine, Indianapolis–Michigan City line]
-
A.
Chicago–South Bend corridor
The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
-
B.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
-
C.
Chicago–Sioux City line
The Chicago–Sioux City line is a historic Midwestern rail route that connected Chicago, Illinois, with Sioux City, Iowa, serving as a key corridor for passenger and freight traffic in the region.
-
D.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
-
E.
Chicago–Indianapolis corridor
The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
- 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: Indianapolis–Michigan City line Triple: [Monon Railroad, railLine, Indianapolis–Michigan City line]
Generated description
The Indianapolis–Michigan City line was a key north–south route of the Monon Railroad in Indiana, connecting the state capital with the Lake Michigan region and serving both passenger and freight traffic.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Indianapolis–Michigan City line Target entity description: The Indianapolis–Michigan City line was a key north–south route of the Monon Railroad in Indiana, connecting the state capital with the Lake Michigan region and serving both passenger and freight traffic.
-
A.
Chicago–South Bend corridor
The Chicago–South Bend corridor is a regional passenger rail route linking the Chicago metropolitan area with South Bend, Indiana, via intermediate communities in northern Indiana.
-
B.
Chicago–La Grange corridor
The Chicago–La Grange corridor is a key suburban rail route west of Chicago that has long served as a major commuter link between the city and its western suburbs.
-
C.
Chicago–Sioux City line
The Chicago–Sioux City line is a historic Midwestern rail route that connected Chicago, Illinois, with Sioux City, Iowa, serving as a key corridor for passenger and freight traffic in the region.
-
D.
Chicago & North Western West Line
The Chicago & North Western West Line was a historic commuter rail route in the Chicago area that later became part of Metra’s Union Pacific West Line.
-
E.
Chicago–Indianapolis corridor
The Chicago–Indianapolis corridor is a major Midwestern transportation route linking the metropolitan hubs of Chicago, Illinois and Indianapolis, Indiana by highway and rail.
- 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_69d85a19180081909925012fbf4e62a3 |
completed | April 10, 2026, 2:02 a.m. |
| NER | Named-entity recognition | batch_69e03eda01cc8190843e23b260b8503c |
completed | April 16, 2026, 1:43 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff2cf5d788819086a94af42c2ec21a |
completed | May 9, 2026, 12:47 p.m. |
| NEDg | Description generation | batch_69ff2e4010dc8190b0f81d03acf8ba41 |
completed | May 9, 2026, 12:53 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff310c2d5c819093295c45307176ec |
completed | May 9, 2026, 1:05 p.m. |
Created at: April 10, 2026, 3:21 a.m.