In some cases, may find information that is incorrect. Due to problems during storage, such as not filling? Fill in redundant information? In this step we will filter the data that is invalid or redundant or repair may result in missing data with certain methods.
In some cases you may be found to be invalid. Due to problems during storage. Such as not filling it. Fill some redundancy In this process, we will filter out duplicate or invalid. Or the repair information is missing with a certain way.
In some cases, may find the wrong information. Due to problems during storage. Such as filling out, fill the redundancy. In this step we will filter the invalid data, or redundant. May be fixed or data missing some ways.