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In literature one can find numerous works on the subject of schema matching and integration. Under normal circumstances the methods employed are ideal for matching two schemas. But with the Web scale data sources availability, these techniques need to be enhanced. Querying schemas over web requires more robust and performance oriented techniques which have the capacity to cope with the large scale scenarios, where hundreds and thousands of schemas need to be matched for integration or data exchange. For a single query on the web, hundreds of schemas in the subject domain need to be...