m mohsenzadeh - islamic azad university sciences &research center
f shams
m teshnhlab
s setayeshi - A.U.T

recently schema matching has found considerable interest in both research and practice . Various schema matching systems have been developed to solve the problem semi -automatically. Whilethere have been some evaluations the overall effectiveness of currently available automatic schma matching systems is largely unclear. this is because the evaluations were conducted in deverse ways making it diffecult to assess the effectiveness of each single system let alone to compare their effectiveness in this paper we evaluated recently published schema matching systems.

schema matching,schema matching systems evaluation,database integration, comparison criteria