When the data in the staging area has been transformed and copied to a warehouse, it can be deleted. But there might be reasons to keep it. In that case, it’s usually referred to as apersistent staging area. By keeping all that data, the staging area can be used when the data has...
Request data is stored in the transfer structure format in transparent, relational database tables in BI. The data format remains unchanged, meaning that no summarization or transformations take place, as is the case with InfoCubes. Note When loading flat files, the data does n...
As each sentence had an independent meaning in our PET-CT reports, each radiologic report was split into a group of sentences (Additional file 1: Figure S1). Keywords were extracted from each sentence using Named Entity Recognition (NER) [20], which eliminates words that had less impact on ...