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    Web Service Method: Request Project Data Using SPARQL

    Abstract

    Web Service Method: Request Project Data Using SPARQL

    Description

    Request PoolParty project data using the SPARQL language. Typical use cases are specific read operations on project data that are not covered by other API services like Web Service Method: Request a Concept's Details, Web Service Method: Request Broader Concepts, etc.

    URL: /PoolParty/sparql/{project}

    Note

    For more detailed information about SPARQL please see: SPARQL 1.1 Query language (W3C).

    See also: HTTP Web Services Based on the SPARQL Endpoint

    Request

    Supported Methods

    POST

    Content-Type: application/x-www-form-urlencoded

    Path Variables

    Variable

    Comment

    {project}

    Use UUID or URI supplement (textual identifier) of the project.

    HTTP Parameters

    Parameter

    Comment

    Type

    Required

    query

    SPARQL query. Usage of a URL encoded query is recommended.

    String

    true

    format

    The expected result format. You can use e.g. text/html orapplication/json

    String

    false

    Note

    SPARQL endpoint can be accessed without credentials.

    Request Payload

    • SPARQL query

    • result format

    Response

    SPARQL query result in selected format.

    Example

    Usage of a REST Client

    The following screenshot shows the usage of the SPARQL endpoint using Postman:

    • Usage of header: Content-Type application/x-www-form-urlencoded (1)

    • Formulate appropriate SPARQL query and define the response format of the result set (2).

    23901070.png