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Start downloading a Wikipedia database dump file such as an English Wikipedia dump. It is best to use a download manager such as GetRight so you can resume downloading the file even if your computer crashes or is shut down during the download. Download XAMPPLITE from (you must get the 1.5.0 version for it to work). Make sure to pick the file ...
Wikipedia presents some of its information in tables, and, e.g., 3.5 million tables can be extracted from the English Wikipedia. [4] Some of the tables have a specific format, e.g., the so-called infoboxes. Large-scale table extraction of Wikipedia infoboxes forms one of the sources for DBpedia. [5]
The table of contents is included; Tables, including most infoboxes, are rendered. Some small types of box used for local on-wiki information are omitted. Images and galleries are rendered; Long equations are overflowing; The "Download as PDF" option might not appear when using a custom theme on Wikipedia on some desktop web browsers.
Copy the wiki code from the text file. You can save any web page as an HTML file, and then open it in LibreOffice Writer. Edit as needed. Remove the parts you don't want. Keep only tables for example. Then export to MediaWiki. Tables can be further edited in LibreOffice Calc. See: Commons:Convert tables and charts to wiki code or image files.
In the current version the export format does not contain an XML replacement of wiki markup (see Wikipedia DTD for an older proposal, or Wiki Markup Language). You only get the wikitext as you get when editing the article. (After export you can use alternative parsers to convert wikitext to other format)
Typical unstructured data sources include web pages, emails, documents, PDFs, social media, scanned text, mainframe reports, spool files, multimedia files, etc. Extracting data from these unstructured sources has grown into a considerable technical challenge, where as historically data extraction has had to deal with changes in physical hardware formats, the majority of current data extraction ...
Much of the data that makes up the Wikipedia encyclopedia is stored in a SQL database. It can sometimes be useful to run queries against this database to extract information that is otherwise hard to find. For example: Articles with H.M.S. in their title that have not been edited for 12 months.
{| table code goes here |} An optional table caption is included with a line starting with a vertical bar and plus sign "|+" and the caption after it: {| |+ caption table code goes here |} To start a new table row, type a vertical bar and a hyphen on its own line: "|-". The codes for the cells in that row start on the next line.