88. The computer-accessible memory medium as recited in claim 86 , wherein a query expression includes: one or more attributes of a searchable data service object in the particular searchable index; and one or more operators to be applied to the one or more attributes in the query expression to locate a set of searchable data service objects that satisfy the query expression in the particular searchable index.
88. The computer-accessible memory medium as recited in claim 86 , wherein a query expression includes: one or more attributes of a searchable data service object in the particular searchable index; and one or more operators to be applied to the one or more attributes in the query expression to locate a set of searchable data service objects that satisfy the query expression in the particular searchable index. 90. The computer-accessible memory medium as recited in claim 88 , wherein the operators include one or more arithmetic operators.