主权项 |
1. A computer-implemented method comprising:
accessing, from a computer memory, information representing structure of a plurality of semi-structured documents, wherein the plurality of semi-structured documents comprise a plurality of fields having associated values; generating, by one or more computers, a visual representation of the information representing structure of the plurality of semi-structured documents, the visual representation comprising graphical elements corresponding to the plurality of fields; outputting, by the one or more computers, the visual representation to a display; receiving, in the one or more computers, information representing a user selection to include one or more particular fields of the plurality of fields in an output data set; and storing the selected particular fields in the output data set as a two-dimensional data structure. |