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A single starting point to find the method, source or situation relevant to your question.

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All words must match, regardless of case or accents. Search stays in the selected language.

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Guide
Baseline
Initial state measured with a known method and period, used to compare change without assuming its cause.
Guide
Control map
Mapping of risks to safeguards, operating evidence, review frequency and owners.
Guide
Exit test
Bounded exercise checking whether data and functions can be transferred or restored outside a supplier.
Guide
SIREN
Nine-digit French identifier for a legal unit. It helps reconcile company records without implying that an address or establishment is the same.
Guide
SIRET
Fourteen-digit French establishment identifier: a SIREN followed by an internal number. An establishment change may alter the SIRET without changing the SIREN.
Guide
Sirene status notice
Snapshot of publishable Sirene information for a legal unit or establishment; Insee states that it has no legal value.
Guide
RNE
French business register accessible through the INPI portal. Compare a record at its consultation date with the available filings and documents.
Guide
BODACC
French publication of notices on events in business life. A notice documents a published event, not the whole current situation.
Guide
BRIS
European infrastructure connecting national business registers; useful for tracing a cross-border company back to the issuing register.
Guide
RDAP
Structured access protocol for domain or Internet resource registration data. Public fields may be limited and do not by themselves identify a site operator.
Guide
ASN
Number identifying an autonomous system in Internet routing. A network relationship indicates infrastructure, not necessarily ownership of content.
Guide
Applicant
Person or organisation named in a patent or trademark application. Distinguish it from the inventor, current owner and commercial operator.
Guide
Procurement notice
Publication of a public purchasing stage. Check whether it announces competition, an award or a change before inferring a contract.
Guide
Dataset metadata
Information on a dataset’s source, producer, period, coverage, format, updates and licence that shapes how it can be interpreted.
Guide
Temporal coverage
Period represented by observations in a dataset, distinct from its publication and last update dates.
Guide
Reuse licence
Terms specifying permitted uses of a dataset or document and obligations such as attribution.
Guide
Capture date
Time when an archive service or investigator saved a version. It does not alone establish creation or first-publication time.
Guide
Acquisition date
Time an image or measurement was collected by a sensor, distinct from product publication and later processing.
Guide
Cloud cover
Estimated share of a satellite image covered by clouds; a scene-wide figure does not guarantee visibility of the area under study.
Guide
Patent family
Group of patent documents linked through one or more priority claims; membership can vary with the database definition.
Guide
Nice classes
Administrative product and service categories used in trademark filings; a class alone does not define the exact scope of a filing.
Guide
Trademark status
State shown for an application or registration on a given date. Check register, territory, listed goods and later events.
Guide
Document identifier
Registry reference for a specific item. Retain it with the URL, version and date to find the same item again.
Guide
Correction notice
Publication changing an earlier procurement notice, such as deadline, lot or conditions. Keep both versions and dates before comparing tenders.

Choose a starting point

Choose a method

Start from a task: verify, compare, document or decide.

Check a source

Examine the origin, date, scope and limits of information.

Understand a term

Find definitions before applying a protocol.

How can I refine the search?

Start with the topic: Enter one or two specific terms: citation, CSV or provenance. Every word must be present, so a long sentence can exclude useful pages.
Broaden before filtering: Search all families first. Then select a guide, protocol or source according to the kind of answer you need.
Try different wording: Try a synonym or a term in the selected language. Quotes, OR and asterisks are not search operators.

DEEPER READING / PRACTICE

Turn internal search into a useful user journey

A query produces several close results. Reading should help to distinguish the need definition folder, detailed method and implementation tool.

Updated on 2026-10-21.

Priority checks

Formulate a specific need and then try neighboring terms. Read the descriptions and select the type of resource according to the searched step: understand, run or control.

Interpretation pitfalls

The first result is not always the best document to the context. An absence can come from the vocabulary used rather than a lack of content.

Working record to retain

A short route connects a need definition page, a guide and a checklist. Maintaining unresolved questions helps to rebuild research.

PRACTICAL CASE / WORKED EXAMPLE

A natural requirement does not match the exact title

The following case illustrates an approach to defining the need. Situations are pedagogical: they serve to examine the choices and conditions of success, without describing a fulfilled mission or announcing a guaranteed result.

Example context

A reader is looking for how to check a number, while the resources use the word indicator. The results must allow to continue despite a different formulation of the title.

Suggested approach

Try the neighboring terms and read the descriptions. Differentiate methods of calculation, comparison and verification of sources. Choose the resource that corresponds to the actually sought-by-step.

Conclusion and next step

Research becomes a path of solution. The questions still open serve to clarify the next query instead of multiplying the words without clear intention.

Questions for deeper practice

How do you improve a search without losing the initial need?

Keep the starting question and then specify the object, operation and resource type. Useful results give a complementary vocabulary, but their title should not automatically replace the reader's target.

DETAILED WORKSHOP / APPLICATION

Refine a query for the task to carry out

01 / Prepare the necessary information
Describe the initial question and the desired result. Identify the object, operation and type of resource that could help: file, method or tool.
02 / Carry out the approach
Try a formulation and read the descriptions. Release the useful terms and test the variants without giving up the intention. Compare the resources found according to their contribution to the route.
03 / Examine an alternative situation
If the results are close but too general, specify the operation or scope. A well-classed page is not necessarily the one that meets the searched step.
04 / Decide on the next step
Research is useful when it leads to a resource whose response can be identified. Open questions are used to prepare for the next consultation.
05 / Hand over the verification records
Keep a short track with request, resource and supplement. The reader can restart his work without repaired the tests that have led to useful content.

ANNOTATED WORKING DOCUMENT / REVIEW GRID

A track record from a request

The note retains question, tried formulations, useful results and next resource. It distinguishes the exploration vocabulary from the initial goal of the reader.

On a small screen, scroll the grid horizontally to read all three columns.

Example situations to assess
Observation	Supported interpretation	Next step
A resource responds to the desired operation.	The result can serve as a useful step in the course.	Keep the passage and choose the necessary supplement.
The results remain general despite the good topic.	The request must specify action, object or scope.	Try an appropriate formulation without losing the initial question.
The first result has the word but not the answer.	The presence of the term does not prove its relevance.	Read the descriptions and compare the contribution of resources.

Reviewing the working document

The final verification verifies that each step reduces an open question. A link list is not yet a useful path if the reader cannot explain what each page brings.

REPORTING / EXAMPLE WORDING

Presentation of results: Turn internal search into a useful user journey

Point to clarify

A search result must be judged according to its contribution to the searched operation.

Before handing over

Check that the track keeps the initial question despite the vocabulary variants.

Example of a qualified conclusion

The resource selected meets the described stage of the need. The questions still open guidelines the next consultation and remain distinct from the answer found.