Triple
T10279481
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Red Line (St. Louis MetroLink) |
E241057
|
entity |
| Predicate | sharesTracksWith |
P5071
|
FINISHED |
| Object |
Blue Line (St. Louis MetroLink)
The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
|
E854937
|
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: Blue Line (St. Louis MetroLink) | Statement: [Red Line (St. Louis MetroLink), sharesTracksWith, Blue Line (St. Louis MetroLink)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Blue Line (St. Louis MetroLink) Context triple: [Red Line (St. Louis MetroLink), sharesTracksWith, Blue Line (St. Louis MetroLink)]
-
A.
RTA Blue Line
RTA Blue Line is a light rail transit route in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key corridors between downtown and the eastern suburbs.
-
B.
Central Corridor of St. Louis
The Central Corridor of St. Louis is a major urban spine running through the city that encompasses several of its most prominent neighborhoods, cultural institutions, and employment centers.
-
C.
Blue Line
The Blue Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key neighborhoods and suburbs in the Dallas–Fort Worth metroplex.
-
D.
Blue Line
The Blue Line is a planned rapid transit corridor of Bengaluru’s Namma Metro network intended to expand connectivity across additional parts of the city.
-
E.
Blue Line
The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia 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: Blue Line (St. Louis MetroLink) Triple: [Red Line (St. Louis MetroLink), sharesTracksWith, Blue Line (St. Louis MetroLink)]
Generated description
The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Blue Line (St. Louis MetroLink) Target entity description: The Blue Line is one of the two primary light rail routes in the St. Louis MetroLink system, providing service between downtown St. Louis and the western suburbs.
-
A.
RTA Blue Line
RTA Blue Line is a light rail transit route in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key corridors between downtown and the eastern suburbs.
-
B.
Central Corridor of St. Louis
The Central Corridor of St. Louis is a major urban spine running through the city that encompasses several of its most prominent neighborhoods, cultural institutions, and employment centers.
-
C.
Blue Line
The Blue Line is one of the color-coded rapid transit routes in the Washington Metro system, running through key parts of Washington, D.C. and its Virginia suburbs.
-
D.
Blue Line
The Blue Line is a light rail route in the Dallas Area Rapid Transit (DART) system serving key neighborhoods and suburbs in the Dallas–Fort Worth metroplex.
-
E.
Blue Line
The Blue Line is a planned rapid transit corridor of Bengaluru’s Namma Metro network intended to expand connectivity across additional parts of the city.
- 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_69d381a94c1881908fc38fc263d9b9c2 |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4d29fdf2c819099dd581deac08cf2 |
completed | April 7, 2026, 9:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d71cf7f644819085dd687b286004ad |
completed | April 9, 2026, 3:28 a.m. |
| NEDg | Description generation | batch_69d73180d90481908f1b4768230edd36 |
completed | April 9, 2026, 4:56 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d7326b14988190bff33dc01e690707 |
completed | April 9, 2026, 5 a.m. |
Created at: April 6, 2026, 11:38 a.m.