{ "LinearAdditiveUtilitySpace": { "issueUtilities": { "place": { "discreteutils": { "valueUtilities": { "Tokyo": 1.0, "Osaka": 0.2, "Negoya": 0.2, "Hokkaido": 0.2 } } }, "budget": { "numberutils": { "lowValue": 900, "lowUtility": 1.0, "highValue": 1800, "highUtility": 0.15 } }, "days": { "discreteutils": { "valueUtilities": { "3": 1.0, "4": 0.2, "5": 0.2, "6": 0.1 } } }, "purpose": { "discreteutils": { "valueUtilities": { "Sightseeing": 0.6, "Activity": 1.0, "Shopping": 0.3 } } } }, "issueWeights": { "place": 0.57, "budget": 0.09, "days": 0.17, "purpose": 0.17 }, "domain": { "name": "japantrip", "issuesValues": { "place": { "values": [ "Tokyo", "Osaka", "Negoya", "Hokkaido" ] }, "budget": { "range": [ 900, 1800, 300 ] }, "days": { "values": [ "3", "4", "5", "6" ] }, "purpose": { "values": [ "Sightseeing", "Activity", "Shopping" ] } } }, "name": "japantrip1", "reservationBid": { "issuevalues": { "place": "200000yen", "budget": 1800, "days": "6", "purpose": "Shopping" } } } }