What This Category of Data Looks Like
This category of data mainly comes from government procurement public service platforms, official tender announcements released by tenders, and scanned qualification certificates submitted by bidders. Data updates sync with individual tender project cycles. Qualification review data for a single project is only valid before the project opens. Qualification documents are updated according to the certificate holder's renewal cycle. A single document typically includes fields such as project number, qualification item name, corresponding certificate number, validity period, and regulatory authority filing identifier. Field units are mostly years, pages, and alphanumeric strings. No unified fixed formatting requirements apply.
Constraints on Citation Sources and Traceability
Data sources are scattered across public platforms, tender announcements, and local certificate files. The traceability link must support cross-source correlation matching to avoid missing qualification items referenced across platforms. Single project data is only valid during the project cycle. The system must validate data timeliness during recall to avoid returning expired qualification certificates. Qualification fields have no unified formatting. When chunking content, retain key identifiers such as project numbers and qualification item numbers to ensure accurate correlation to corresponding certificate files during traceability. Some certificate files use scanned format. The system must support OCR extraction of text fields within images to complete traceability correlation.
Configuration Settings
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
Recall Count | Top 10 entries | Qualification compliance data has many associated items per project. A sufficient number of recalled relevant passages is needed to cover all qualification review requirements |
Similarity Threshold | 0.75–0.85 | Qualification item descriptions are precise. This range filters low-match irrelevant content while retaining different phrasing variants of the same qualification item |
Reranked Return Count | Top 3 entries | Core qualification items only require the 3 most relevant source passages for traceability. This avoids interference from redundant information |
Chunk Length | 800–1200 characters | Qualification certificate files often contain long sections of qualification descriptions and numbers. Too long a chunk loses contextual correlation, while too short a chunk breaks field integrity |
PARSE_OCR_ENABLE | Enabled | Supports text extraction from scanned qualification certificate files to complete traceability correlation |
SOURCE_RECALL_FILTER | Filter by validity period | Filters expired qualification certificate files to ensure returned traceability content always meets the current project's qualification validity requirements |
The parameter values provided on this page are common starting points for configuration. Actual values are affected by material form, data volume and business rules. Specific issues require individual analysis. It is recommended to test on your own samples before finalizing.
Three Common Configuration Mistakes
- Phenomenon: The knowledge base returns qualification passages unrelated to the query, and fails to associate the correct project document. Cause: The
Similarity Thresholdis set too low, resulting in low-match irrelevant qualification items being recalled. No source filtering rules by project dimension are configured. - Phenomenon: Expired qualification certificate files appear in traceability results. Cause:
SOURCE_RECALL_FILTERis not configured to filter traceability content by validity period, or qualification certificate file metadata is not updated synchronously. - Phenomenon: Chunked qualification passages cannot be associated with the corresponding certificate number. Cause: The
Chunk Lengthis set too short, splitting complete fields containing qualification numbers and project numbers into multiple passages, losing association identifiers.
How to Verify Proper Configuration
- Upload a single qualification compliance project document, initiate a test query containing specific qualification items, and verify that recall results only include relevant passages from this project, and that associated source identifiers are accurate.
- Import expired qualification certificate files, initiate a relevant query, and verify that the system filters this type of expired content.
- Enable OCR parsing for scanned qualification files, initiate a query, and verify that the traceability results include text fields extracted via OCR.
- Adjust the
Similarity Thresholdto different ranges, compare the relevance of recall results, and confirm that they meet the matching accuracy requirements of the current business.
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.