What data does this category include
Data sources for airport aviation financing daily reports include public airport financing announcements released by regional civil aviation administrations, and daily submitted data from official airport group operational disclosure platforms. Update frequency is daily; information related to financing from the previous workday is released on the following workday. The document structure primarily uses structured fields, including airport ICAO code, takeoff and landing flights, financing amount, financing maturity date, fund usage, disclosing institution, and other fields, with attached original disclosure announcement documents. Field units include sorties, ten thousand yuan (CNY), calendar days, and some disclosure documents include English abbreviation fields.
What constraints do these characteristics impose on vector models and indexing
The multi-source data, daily update frequency, and mixed structured + unstructured document structure of this category impose multiple constraints on the vector models and indexing process. First, coexisting structured fields and unstructured attachments require support for hybrid indexing, while adapting to the vectorization logic for numeric and enumeration fields. Second, the daily incremental update data volume is relatively stable, so a full index with high resource consumption should be avoided, and an incremental synchronization mechanism should be adopted. Third, some disclosure documents include English abbreviation fields, so the model must have basic semantic adaptation capabilities to avoid field matching failures.
How to set configurations
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
PARSE_CHUNK_SIZE | 800–1200 characters | The disclosure announcement text for airport aviation financing daily reports mostly consists of structured clauses. This segment length preserves complete financing information units and avoids semantic fragmentation after splitting |
RECALL_TOP_K | Top 10–15 results | The retrieval requirements for this category focus on financing records for a specific airport and date. A reasonable number of recalled results balances retrieval efficiency and result coverage |
embedding_model | bge-large-zh-v1.5 | Optimized for structured financial text, it can accurately match semantic associations between fields such as financing amount and fund usage |
enable_incremental_index | Enabled | Adapts to daily updated financing daily report data, avoiding high computational overhead from full indexing |
SIMILARITY_THRESHOLD | 0.72–0.85 | Filters low-match irrelevant financing entries, adapting to the precise retrieval business requirements of this category |
UPLOAD_FILE_MAX_SIZE | 20 MB | Matches the typical size of single airport financing disclosure attachments, with redundant space reserved to prevent upload interruptions |
The parameter values provided on this page are common recommended 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 misconfigurations
- Symptom: The number of segments after parsing a single airport aviation financing daily report document does not match expectations. For example, the upload shows 8 segments, but later viewing shows 13 segments. Cause: The segment verification configuration is not enabled, and the automatic splitting logic of the parsing engine for long text is affected by the context window, resulting in duplicate segments.
- Symptom: After upgrading from version 4.9.0 to 4.9.3, previously retrievable financing daily report content can no longer be matched. Cause: The vector model configuration was not updated synchronously. The default embedding model of the new version has semantic space differences from the old version, and the corresponding document vectors were not regenerated.
- Symptom: When attempting to batch adjust vector model training parameters, only single-file operations are supported. Cause: The batch training switch is not enabled. The system executes training tasks by default according to the single-file process, and does not adapt to the requirements of multi-document batch updates.
How to verify the configuration is properly set
- Upload a single typical airport aviation financing daily report document, view the parsed segment list, and confirm that the segment length matches the preset configuration.
- Initiate a retrieval targeting a specific airport code and financing amount range, and check that the number of recalled results matches the business requirements.
- Trigger an incremental indexing task, view the indexing progress logs, and confirm that newly uploaded documents are automatically included in the index without triggering a full rebuild.
- View the configuration switches for index enhancement and automatic image indexing, and confirm that they adapt to the disclosure attachment format of this category.
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.