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By converting paper documents into digital format through scanning, organizations convert paper into image formats such as TIF, JPG, and PDF, and also extract valuable index information or business data from the document using OCR technology. Digital documents and associated metadata can easily be stored in the ECM in a variety of formats.
Large-scale table extraction of Wikipedia infoboxes forms one of the sources for DBpedia. [5] Commercial web services for table extraction exist, e.g., Amazon Textract, Google's Document AI, IBM Watson Discovery, and Microsoft Form Recognizer. [1] Open source tools also exist, e.g., PDFFigures 2.0 that has been used in Semantic Scholar. [6]
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 ...
Newer forms of web scraping involve listening to data feeds from web servers. For example, JSON is commonly used as a transport storage mechanism between the client and the webserver. A web scraper uses a website's URL to extract data, and stores this data for subsequent analysis. This method of web scraping enables the extraction of data in an ...
Semi-structured information extraction which may refer to any IE that tries to restore some kind of information structure that has been lost through publication, such as: Table extraction: finding and extracting tables from documents. [11] [12] Table information extraction : extracting information in structured manner from the tables.
Microsoft Office Document Scanning (MODS) is a scanning and optical character recognition (OCR) application introduced first in Office XP. The OCR engine is based upon Nuance's OmniPage. [10] MODS is suited for creating archival copies of documents. It can embed OCR data into both MDI and TIFF files.
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