subject: How To Extract Data From Web [print this page] In the world of internet there are so many services available that it would take a long time just to keep a track of all the services. One such excellent service that has won lots of acclamation in the past few years is that of web scrapping. Taking the help of web scraper ensures that individuals or organizations can do lot more with their websites. One of the major reasons why most of the websites are created is to share information regarding their products or services and for that to happen, it must be accessible. There are several methods for ensuring that, however the usage of online directories is a prominent method. Lots of people want their website to be on directories and for that to occur one needs a great deal of information. This is where the web scrapper comes into play. It is a service that helps to extract data form web.
Extracting of data can be a difficult job when the same is carried out manually and thus taking the help of web scrapping services is an effective measure. It is a program that can be written in any programming language which is another reason behind its success. The program can be written in varied platforms and used in any website. Sometimes people get confused with web indexing and web scrapper, though both of them are associated with extraction of data there are lots of difference between them. The major difference is that web indexing involves extraction of structured data from websites where as the web scrapper is involved with extraction of data from websites that is unstructured. The unstructured data is stored in structured formats allowing for easy conversion of formats and several other facilities as well. One can carry out several analyses with the help of the extracted data as the same is in structured form now.
The extraction of data is also referred to as data mining and these services are used for various purposes. Some of the leading sectors where the extraction of data are used are websites including online transactions, financial websites, search engine results, web sites dealing with job offers, weather monitoring, data integration, web mash up and many more. Most of the services that one can think of use extraction of data. If you are willing to include such services in your website you can take help of the companies that provide with such services at affordable prices.