Hi, Quick search for 'rule aggregate' in mail archives returns 3 thread results. The only decisive statement seems to be Dave's 3 yo:
""" Short answer on rules is don't use them for this. Something like "sum of all invoice items present" is a non-monotonic operation and JenaRules are really not suited to this. [...] """ https://lists.apache.org/thread.html/40ed40686d6244d3ebc0dfe5163e052b3dba2d41358b5f78f1c81347@%3Cusers.jena.apache.org%3E Is this still the valid answer? If so, what is the recommendation to perform and persist aggregation for data maintained using Jena? To pull non aggregate query results and do aggregation within an external application? Write back transitory results to named graphs? I am not sure whether there may be documentation on this since that I may have missed, if so apologies and thanks for the pointer. With many thanks and kind regards, Pierre THIS E-MAIL MAY CONTAIN CONFIDENTIAL AND/OR PRIVILEGED INFORMATION. IF YOU ARE NOT THE INTENDED RECIPIENT (OR HAVE RECEIVED THIS E-MAIL IN ERROR) PLEASE NOTIFY THE SENDER IMMEDIATELY AND DESTROY THIS E-MAIL. ANY UNAUTHORISED COPYING, DISCLOSURE OR DISTRIBUTION OF THE MATERIAL IN THIS E-MAIL IS STRICTLY FORBIDDEN. IN ACCORDANCE WITH MIFID II RULES ON INDUCEMENTS, THE FIRM'S EMPLOYEES MAY ATTEND CORPORATE ACCESS EVENTS (DEFINED IN THE FCA HANDBOOK AS "THE SERVICE OF ARRANGING OR BRINGING ABOUT CONTACT BETWEEN AN INVESTMENT MANAGER AND AN ISSUER OR POTENTIAL ISSUER"). DURING SUCH MEETINGS, THE FIRM'S EMPLOYEES MAY ON NO ACCOUNT BE IN RECEIPT OF INSIDE INFORMATION (AS DESCRIBED IN ARTICLE 7 OF THE MARKET ABUSE REGULATION (EU) NO 596/2014). (https://www.handbook.fca.org.uk/handbook/glossary/G3532m.html) COMPANIES WHO DISCLOSE INSIDE INFORMATION ARE IN BREACH OF REGULATION AND MUST IMMEDIATELY AND CLEARLY NOTIFY ALL ATTENDEES. FOR INFORMATION ON THE FIRM'S POLICY IN RELATION TO ITS PARTICIPATION IN MARKET SOUNDINGS, PLEASE SEE https://www.horizon-asset.co.uk/market-soundings/. HORIZON ASSET LLP IS AUTHORISED AND REGULATED BY THE FINANCIAL CONDUCT AUTHORITY.
