Triple
T5798458
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Colombo Fort railway station |
E128563
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object |
Coastal Line
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
|
E549466
|
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: Coastal Line | Statement: [Colombo Fort railway station, connectsTo, Coastal Line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coastal Line Context triple: [Colombo Fort railway station, connectsTo, Coastal Line]
-
A.
Eastern Line
The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
-
B.
Suburban Line
The Suburban Line is a commuter rail service of the Beijing Subway system that connects the city center with outlying suburban districts.
-
C.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
-
D.
Heritage Corridor line
The Heritage Corridor line is a Metra commuter rail service in the Chicago area that runs southwest from downtown Chicago to Joliet, primarily following the historic Illinois & Michigan Canal corridor.
-
E.
Coast Line
Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
- 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: Coastal Line Triple: [Colombo Fort railway station, connectsTo, Coastal Line]
Generated description
Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Coastal Line Target entity description: Coastal Line is a major Sri Lankan railway route running along the island’s western and southern coasts, linking Colombo with key coastal towns and cities.
-
A.
Eastern Line
The Eastern Line is a suburban rail service in Auckland, New Zealand, running between the city centre and eastern suburbs as part of the Auckland rail network.
-
B.
Suburban Line
The Suburban Line is a commuter rail service of the Beijing Subway system that connects the city center with outlying suburban districts.
-
C.
Myrtle Avenue Line
The Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens, primarily served by the M train.
-
D.
Heritage Corridor line
The Heritage Corridor line is a Metra commuter rail service in the Chicago area that runs southwest from downtown Chicago to Joliet, primarily following the historic Illinois & Michigan Canal corridor.
-
E.
Coast Line
Coast Line was a major Southern Pacific Railroad route running along California’s Pacific coast, connecting key cities such as Los Angeles and San Francisco.
- 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_69c00845ca68819081a2ce3ecca577f7 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02a959b108190a7408560e1b34cd2 |
completed | March 22, 2026, 5:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0a17bb5908190849f7e84ba18b0e3 |
completed | March 23, 2026, 2:12 a.m. |
| NEDg | Description generation | batch_69c0a1fc8d888190baf5547a43b87bb6 |
completed | March 23, 2026, 2:14 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c0a260a0e48190a72805ba2c925c20 |
completed | March 23, 2026, 2:16 a.m. |
Created at: March 22, 2026, 3:51 p.m.