测试数据
addEmployee(EmplID, Name1, Name2, TypeOfWork, Salary, TxnDate)
addEmployee("tjb1998", "eva", "mcdowell", "ra", 55000, 20).
addEmployee("tjb1987x", "ben", "xena", "cdt", 68000, q50).
addEmployee("tjb2112", "ryoko", "hakubi", "ra", 63000, 60).
addEmployee("tjb1987", "ben", "croshaw", "cdt", 68000, 90).
addEmployee("tjb3300m", "amane", "mauna", "ma", 61000, 105).
我想根据工作类型和特定工作类型的员工数量对员工进行分组。例如：
ra 4
cdt 2
ma 1
下面是我正在尝试运行的查询
employee(TOW) :- addEmployee(_,_,_,TOW,_,_).
nmbrEmployeesOfSameType (N) :- N = #count { employee(TOW) }.
请指教，我是 Clingo 的初级水平