Triple
T6472400
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metra SouthWest Service |
E145985
|
entity |
| Predicate | usesStation |
P726
|
FINISHED |
| Object |
Midlothian station
Midlothian station is a commuter rail stop in Midlothian, Illinois, serving passengers on Metra’s SouthWest Service line in the Chicago metropolitan area.
|
E596571
|
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: Midlothian station | Statement: [Metra SouthWest Service, usesStation, Midlothian station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midlothian station Context triple: [Metra SouthWest Service, usesStation, Midlothian station]
-
A.
Highland station
Highland station is a SEPTA Regional Rail stop in Philadelphia, Pennsylvania, serving passengers on the Chestnut Hill West Line.
-
B.
Rosslyn station
Rosslyn station is a major Washington Metro transfer hub in Arlington, Virginia, serving as a key connection point between multiple lines and routes into downtown D.C.
-
C.
St. Davids station
St. Davids station is a commuter rail stop on SEPTA's Paoli/Thorndale Line serving the St. Davids neighborhood in Radnor, Pennsylvania.
-
D.
St. Andrew station
St. Andrew station is a downtown Toronto subway station on the TTC network, serving the Financial District and nearby entertainment venues such as the Royal Alexandra Theatre and Roy Thomson Hall.
-
E.
West Calder railway station
West Calder railway station is a local rail stop serving the village of West Calder and surrounding communities in West Lothian, Scotland, on the line between Edinburgh and Glasgow.
- 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: Midlothian station Triple: [Metra SouthWest Service, usesStation, Midlothian station]
Generated description
Midlothian station is a commuter rail stop in Midlothian, Illinois, serving passengers on Metra’s SouthWest Service line in the Chicago metropolitan area.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Midlothian station Target entity description: Midlothian station is a commuter rail stop in Midlothian, Illinois, serving passengers on Metra’s SouthWest Service line in the Chicago metropolitan area.
-
A.
Highland station
Highland station is a SEPTA Regional Rail stop in Philadelphia, Pennsylvania, serving passengers on the Chestnut Hill West Line.
-
B.
Rosslyn station
Rosslyn station is a major Washington Metro transfer hub in Arlington, Virginia, serving as a key connection point between multiple lines and routes into downtown D.C.
-
C.
St. Davids station
St. Davids station is a commuter rail stop on SEPTA's Paoli/Thorndale Line serving the St. Davids neighborhood in Radnor, Pennsylvania.
-
D.
St. Andrew station
St. Andrew station is a downtown Toronto subway station on the TTC network, serving the Financial District and nearby entertainment venues such as the Royal Alexandra Theatre and Roy Thomson Hall.
-
E.
West Calder railway station
West Calder railway station is a local rail stop serving the village of West Calder and surrounding communities in West Lothian, Scotland, on the line between Edinburgh and Glasgow.
- 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_69c008fec7408190af7b146dc63d9750 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c06a3188488190a1b7452ede91ba5e |
completed | March 22, 2026, 10:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c6539fe1e08190ae0004ed2113e319 |
completed | March 27, 2026, 9:53 a.m. |
| NEDg | Description generation | batch_69c6564a79b08190818ecd149aa34698 |
completed | March 27, 2026, 10:04 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c6570477348190bdc1f0b2eb781c84 |
completed | March 27, 2026, 10:08 a.m. |
Created at: March 22, 2026, 4:50 p.m.