GooSeeker

In order for DataScraper to run one round by another, new clues should be extracted on the current page being extracted. As a result, the scope of the Web is crawled wider and wider.
On Clue Editor work board, DOM nodes with values in form of URL are mapped to clues to be extracted, which guides MetaStudio to calculate for clue extraction rules which are stored in the instruction file named as SCE file. What should be done on the board to define clue extraction rules are described in the following sections.