If you want to extract Tables from PDFs, then there are some free PDF table extractor tools that can help you do it easily. Take a look!

New Search Engine Ranks Tables By Title, Document Content, Text Reference Date: August 13, 2007 Source: Penn State Summary: Penn State researchers have developed a search engine -- TableSeer ...

Penn State researchers have developed a search engine-TableSeer-which not only can identify and extract tables from PDF documents but also can index and rank the search results using factors ...