What the data for this category looks like
Data for shipping port investment research mainly comes from port operation management systems, vessel AIS positioning platforms, shipping transaction market websites, maritime administration authority announcements, regional economic statistical databases, and other sources. Data update frequencies cover multiple dimensions: vessel dynamics and berth occupancy data are updated minute-by-minute; port clearance and route freight data are updated hourly; monthly port throughput statistics are updated daily; annual port development planning reports are updated irregularly. Document types include structured reports (such as container throughput CSV files, with fields including port code, berth number, operation time, container volume), semi-structured announcements (such as route adjustment notices, including release time, origin and destination ports, freight range), and unstructured documents (such as maritime policy PDFs, port operation logs). Fields and units follow industry standards. Structured data often includes TEU (twenty-foot equivalent unit), berthing duration, navigation mileage, tariff rate, and other fields, with units of tons, hours, nautical miles, and others.
What constraints these characteristics impose on deployment and upgrade
Minute-by-minute synchronization requirements for vessel dynamics and berth occupancy data demand configuring short-interval scheduled synchronization tasks during deployment, and implementing resumable upload logic during upgrades to avoid data loss. Configure preset field verification rules during deployment for structured reports that include specific measurement fields such as TEU, to prevent unit confusion after parsing. Reserve multiple data source configuration entrances during deployment to support multi-source data docking, and add support for dynamic addition of new data source types during upgrades. Configure longer parsing timeout periods during deployment for long unstructured policy documents, and optimize long-text segment parsing logic during upgrades to improve accuracy.
How to set configurations
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
UPLOAD_FILE_MAX_SIZE | 2000 MB | Accommodates upload requirements for large documents such as port annual operation reports and large vessel scheduling logs |
PARSE_FILE_TIMEOUT_SECONDS | 1200 seconds | Meets parsing duration requirements for long-form maritime policy documents and quarterly throughput statistical reports |
SYNC_INTERVAL | 60 seconds | Adapts to real-time data synchronization requirements for minute-by-minute updated data such as vessel dynamics and berth occupancy |
RECALL_TOP_K | Top 10 entries | Covers multi-dimensional port data required for investment research, avoids one-sidedness of single data entries |
SIMILARITY_THRESHOLD | 0.75–0.85 | Accurately matches professional terms such as port routes and freight rates, filters low-correlation search results |
BATCH_IMPORT_SIZE | 500 entries | Balances efficiency of batch importing structured reports and system load, avoids import timeouts |
The parameter values provided on this page are common starting points for configuration. Actual values are affected by material format, data volume, and business rules. Specific issues require individual analysis, and it is recommended to test on your own samples before finalizing.
Three common mistakes
- Symptom: An error "message receiving address verification failed" occurs when releasing a DingTalk application. The cause is that a publicly accessible deployment address is not configured, or SSL certificate verification is not disabled when using self-signed certificates.
- Symptom: After deploying via docker-compose, calling the large language model returns an exception. The cause is that the
ONE_API_BASE_URLparameter was not modified correctly, or a valid API access key was not configured. - Symptom: After upgrading the commercial version, existing structured report parsing fails. The cause is that the original field verification rules were not retained during the upgrade, and the new parsing template does not adapt to specific units such as TEU for port data.
How to confirm the configuration is complete
- Upload a standard port container throughput report, check whether the parsed fields include preset fields such as port code, operation time, and container volume, and whether the units comply with preset measurement rules.
- Manually trigger a data source synchronization task, check whether the synchronization log completes data retrieval within the set
SYNC_INTERVAL, with no timeout or connection failure errors. - Call the configured DingTalk robot test interface, send a test message, confirm that it can be received normally with no address verification related errors.
- Check the large language model call log, confirm that the request points to the configured
ONE_API_BASE_URLaddress, with no interface request failure records.
Question material comes from public community discussions. Configuration values are common starting points and should be measured against your own samples. Verified on 2026-09-14.