SAP's HANA is an in-memory data platform, making it possible to run very fast searches against data in SAP. HANA will accept queries structured to work with SQL and convert them, surfacing data results that can be accessed via ODBC.
You should be able to use Splunk's ODBC driver (http://docs.splunk.com/Documentation/ODBC) to run SQL queries that will extract results from HANA and either index them in Splunk or make them available as a lookup. Is that the type of integration you had in mind?
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