https://docs.oracle.com/cd/E80149_01/bip/BIPAD/GUID-4BA225A4-BF23-4798-9203-37AB4D1B4DBD.htm
Setting Up a Connection to an LDAP Server Data Source
You set up a connection to an LDAP data source from the Administration page.
setting up a connectionserver dataldapsource
https://docs.oracle.com/cd/E80149_01/bip/BIPAD/GUID-5469B14D-48C3-4DF7-A900-4BB0B233BA5F.htm
Setting Up a Connection to a Web Service
BI Publisher supports Web service data sources that return valid XML data.
setting up a connectionwebservice