Triple
T10801963
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Joliet Station |
E254858
|
entity |
| Predicate | zone |
P2160
|
FINISHED |
| Object |
Metra fare zone H
Metra fare zone H is one of the outer commuter rail fare zones in the Chicago-area Metra system, used to determine ticket prices for longer-distance trips from downtown.
|
E886523
|
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: Metra fare zone H | Statement: [Joliet Station, zone, Metra fare zone H]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Metra fare zone H Context triple: [Joliet Station, zone, Metra fare zone H]
-
A.
Metra zone E
Metra zone E is a commuter rail fare zone in the Chicago metropolitan area used to determine ticket prices on Metra’s zone-based system.
-
B.
Metra zone D
Metra zone D is a fare zone within the Metra commuter rail system in the Chicago metropolitan area, used to determine ticket prices for stations located at a similar distance from downtown Chicago.
-
C.
Metrolink fare zones
Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
-
D.
Metra at Jefferson Park
Metra at Jefferson Park is a commuter rail station in Chicago’s Jefferson Park neighborhood that serves as a key transfer point between Metra trains and CTA transit services.
-
E.
Harvey Metra station
Harvey Metra station is a commuter rail station in Harvey, Illinois, serving Metra’s Electric District and providing regional rail connections to Chicago and surrounding suburbs.
- 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: Metra fare zone H Triple: [Joliet Station, zone, Metra fare zone H]
Generated description
Metra fare zone H is one of the outer commuter rail fare zones in the Chicago-area Metra system, used to determine ticket prices for longer-distance trips from downtown.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Metra fare zone H Target entity description: Metra fare zone H is one of the outer commuter rail fare zones in the Chicago-area Metra system, used to determine ticket prices for longer-distance trips from downtown.
-
A.
Metra zone E
Metra zone E is a commuter rail fare zone in the Chicago metropolitan area used to determine ticket prices on Metra’s zone-based system.
-
B.
Metra zone D
Metra zone D is a fare zone within the Metra commuter rail system in the Chicago metropolitan area, used to determine ticket prices for stations located at a similar distance from downtown Chicago.
-
C.
Metrolink fare zones
Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
-
D.
Metra at Jefferson Park
Metra at Jefferson Park is a commuter rail station in Chicago’s Jefferson Park neighborhood that serves as a key transfer point between Metra trains and CTA transit services.
-
E.
Harvey Metra station
Harvey Metra station is a commuter rail station in Harvey, Illinois, serving Metra’s Electric District and providing regional rail connections to Chicago and surrounding suburbs.
- 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_69d6aa61c15c8190a1839550c56e75e1 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d7336dedec819099bd302c5d213dba |
completed | April 9, 2026, 5:04 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69de566e7d408190946864e28c294075 |
completed | April 14, 2026, 2:59 p.m. |
| NEDg | Description generation | batch_69de5eaf3cc08190935cb6ddf2020166 |
completed | April 14, 2026, 3:35 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69de63a902f4819089845bc6d7469c6b |
completed | April 14, 2026, 3:56 p.m. |
Created at: April 8, 2026, 9:18 p.m.