Transit-R1-SFT

ๆจกๅž‹ไป‹็ป

Transit-R1-SFT ๆ˜ฏๅŸบไบŽ Qwen2.5-3B-Instruct ๅพฎ่ฐƒ็š„ๆ™บ่ƒฝๅ‡บ่กŒ่ง„ๅˆ’ๆจกๅž‹๏ผŒไธ“้—จ้’ˆๅฏนไธŠๆตทๅธ‚ๅ…ฌๅ…ฑไบค้€š่ทฏๅพ„่ง„ๅˆ’ๅœบๆ™ฏไผ˜ๅŒ–ใ€‚่ฏฅๆจกๅž‹้€š่ฟ‡็›‘็ฃๅพฎ่ฐƒ(SFT)ๅญฆไน ไบ†็ป“ๆž„ๅŒ–็š„ๆŽจ็†่Œƒๅผ๏ผŒ่ƒฝๅคŸไธบ็”จๆˆทๆไพ›ไธชๆ€งๅŒ–็š„ๅ‡บ่กŒๆ–นๆกˆใ€‚

่ฟ™ๆ˜ฏ Transit-R1 ้กน็›ฎ็š„ SFT ็‰ˆๆœฌ๏ผŒๆ—จๅœจไธบๅŽ็ปญ็š„ๅผบๅŒ–ๅญฆไน ๆไพ›ๅŸบ็ก€ใ€‚

ไธป่ฆ็‰นๆ€ง

  • ๐Ÿš‡ ๆ™บ่ƒฝ่ทฏ็บฟ่ง„ๅˆ’: ๆ”ฏๆŒๅœฐ้“ใ€ๅ…ฌไบคใ€ๆญฅ่กŒ็ญ‰ๅคš็งไบค้€šๆ–นๅผ็š„็ป„ๅˆ่ง„ๅˆ’
  • ๐ŸŽฏ ไธชๆ€งๅŒ–ๆŽจ่: ๆ นๆฎ็”จๆˆทๅๅฅฝ๏ผˆๆ—ถ้—ดไผ˜ๅ…ˆใ€ๆˆๆœฌไผ˜ๅ…ˆใ€ๆขไน˜ๆœ€ๅฐ‘ใ€่ˆ’้€‚ไผ˜ๅ…ˆ๏ผ‰ๆไพ›ๅฎšๅˆถๅŒ–ๆ–นๆกˆ
  • ๐Ÿ”„ ็ป“ๆž„ๅŒ–ๆŽจ็†: ้‡‡็”จ <think>โ†’<code>โ†’<observation>โ†’<answer> ็š„ๅ››้˜ถๆฎตๆŽจ็†ๆต็จ‹
  • ๐Ÿ—บ๏ธ ไธŠๆตทๅœฐๅŒบไธ“็ฒพ: ้’ˆๅฏนไธŠๆตทๅธ‚ๅ…ฌๅ…ฑไบค้€š็ณป็ปŸๅ’Œๅœฐๆ ‡ๅปบ็ญ‘ๆทฑๅบฆไผ˜ๅŒ–
  • โšก ่ฝป้‡้ซ˜ๆ•ˆ: 3Bๅ‚ๆ•ฐ่ง„ๆจก๏ผŒๆ”ฏๆŒๆœฌๅœฐ้ƒจ็ฝฒๅ’Œๅฎžๆ—ถๆŽจ็†
  • ๐Ÿ“ฑ API้›†ๆˆ: ๆ”ฏๆŒ้ซ˜ๅพทๅœฐๅ›พAPI่ฐƒ็”จ่ฟ›่กŒๅฎžๆ—ถ่ทฏ็บฟๆŸฅ่ฏข

่ฎญ็ปƒๆ•ฐๆฎ

  • ๆ•ฐๆฎ่ง„ๆจก: 5000ๆก้ซ˜่ดจ้‡ๅ‡บ่กŒ่ง„ๅˆ’ๆ ทๆœฌ
  • ่ฆ†็›–ๅœบๆ™ฏ: ๅŒป้™ขใ€ๅญฆๆ กใ€ๅ•†ๅœˆใ€ไฝๅฎ…ๅŒบใ€ๆ–‡ๅŒ–ๅœบๆ‰€็ญ‰ๅคšๆ ทๅŒ–ๅ‡บ่กŒๅœบๆ™ฏ
  • ็”จๆˆท็”ปๅƒ: ๆถต็›–ๅญฆ็”Ÿใ€ไธŠ็ญๆ—ใ€่€ไบบใ€ๆธธๅฎขใ€ๅ•†ๅŠกไบบๅฃซ็ญ‰ไธๅŒ็พคไฝ“
  • ๅœฐ็†่Œƒๅ›ด: ไธ“ๆณจไธŠๆตทๅธ‚ไธป่ฆๅŒบๅŸŸๅ’Œ็ƒญ้—จๅœฐๆ ‡
  • ๆ•ฐๆฎ่ดจ้‡: ็œŸๅฎžAPIๅ“ๅบ”๏ผŒไบบๅทฅๆ ก้ชŒ๏ผŒ็กฎไฟๆ–นๆกˆๅฏ่กŒๆ€ง

ๆจกๅž‹ๆžถๆž„

  • ๅŸบ็ก€ๆจกๅž‹: Qwen2.5-3B-Instruct
  • ่ฎญ็ปƒๆ–นๆณ•: ็›‘็ฃๅพฎ่ฐƒ (SFT)
  • ๅ‚ๆ•ฐ้‡: 3B
  • ไธŠไธ‹ๆ–‡้•ฟๅบฆ: 2048 tokens
  • ่ฎญ็ปƒ่ฝฎๆ•ฐ: 4 epochs
  • ๅญฆไน ็އ: 1e-5
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Evaluation results

  • Format Compliance Rate on Shanghai Transit Dataset
    self-reported
    95.300
  • Route Quality Score on Shanghai Transit Dataset
    self-reported
    89.700