Triple
T2672493
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak Capitol Limited |
E55777
|
entity |
| Predicate | servesCity |
P82
|
FINISHED |
| Object |
Waterloo, Indiana
Waterloo, Indiana is a small town in northeastern Indiana that functions as a regional rail stop, notably hosting Amtrak’s Capitol Limited route between Chicago and the East Coast.
|
E301897
|
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: Waterloo, Indiana | Statement: [Amtrak Capitol Limited, servesCity, Waterloo, Indiana]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Waterloo, Indiana Context triple: [Amtrak Capitol Limited, servesCity, Waterloo, Indiana]
-
A.
Winfield, Indiana
Winfield, Indiana is a small suburban town in northwest Indiana known for its residential communities and proximity to the Chicago metropolitan area.
-
B.
Lowell, Indiana
Lowell, Indiana is a small town in northwest Indiana known for its historic downtown, annual Labor Day Festival, and role as a residential community within the greater Chicago metropolitan area.
-
C.
Mishawaka, Indiana
Mishawaka, Indiana is a city in northern Indiana near South Bend, known for its manufacturing history and as the longtime base of vehicle maker AM General.
-
D.
Elkhart, Indiana
Elkhart, Indiana is a small city in northern Indiana known for its recreational vehicle manufacturing industry and location near the Michigan border.
-
E.
Kouts, Indiana
Kouts, Indiana is a small rural town located in northwestern Indiana within the Chicago metropolitan region.
- 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: Waterloo, Indiana Triple: [Amtrak Capitol Limited, servesCity, Waterloo, Indiana]
Generated description
Waterloo, Indiana is a small town in northeastern Indiana that functions as a regional rail stop, notably hosting Amtrak’s Capitol Limited route between Chicago and the East Coast.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Waterloo, Indiana Target entity description: Waterloo, Indiana is a small town in northeastern Indiana that functions as a regional rail stop, notably hosting Amtrak’s Capitol Limited route between Chicago and the East Coast.
-
A.
Winfield, Indiana
Winfield, Indiana is a small suburban town in northwest Indiana known for its residential communities and proximity to the Chicago metropolitan area.
-
B.
Lowell, Indiana
Lowell, Indiana is a small town in northwest Indiana known for its historic downtown, annual Labor Day Festival, and role as a residential community within the greater Chicago metropolitan area.
-
C.
Mishawaka, Indiana
Mishawaka, Indiana is a city in northern Indiana near South Bend, known for its manufacturing history and as the longtime base of vehicle maker AM General.
-
D.
Elkhart, Indiana
Elkhart, Indiana is a small city in northern Indiana known for its recreational vehicle manufacturing industry and location near the Michigan border.
-
E.
Kouts, Indiana
Kouts, Indiana is a small rural town located in northwestern Indiana within the Chicago metropolitan region.
- 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_69ab49e54de48190be708cd1cf8be073 |
completed | March 6, 2026, 9:40 p.m. |
| NER | Named-entity recognition | batch_69abd98f98908190b5c6fb38d3d4367a |
completed | March 7, 2026, 7:53 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69afce812640819085c46f7452b5913b |
completed | March 10, 2026, 7:55 a.m. |
| NEDg | Description generation | batch_69afd037b4ac81909db8a8762e8edaf4 |
completed | March 10, 2026, 8:03 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69afd096b0bc8190a0a4f9d004bf4d8f |
completed | March 10, 2026, 8:04 a.m. |
Created at: March 6, 2026, 9:54 p.m.