Friday 27 March 2015

Web data extraction is also known as web harvesting or web scraping. This is a software method used in order to take out required information from different websites. This method uses different software in order to extract the data from the World Wide Web. The data is extracted using the HTTP method i.e. the Hypertext Transfer Protocol or using a fully embedded web browser like the Mozilla Firefox or Internet explorer. There are different types of Web Data Extraction Software which are used in order to get the data.

The web extraction is also known as web indexing. The Web Data Extraction Software indexes the information which is extracted from the World Wide Web with the help of web crawler or bot. This is the most common and universal technique applied in order to extract the data from the internet.



According to recent studies there has been a steep increase in the usage of Web Data Extraction Software. This is because most of the businesses are using the data on the internet to reach out to their target audience. Here are some of the most common methods used in order to extract the data:
·         The process of web extraction is the process to automatically collect the data from the internet but all these process require human help – the most common human – computer interaction is the copy and paste method. This is considered among the best methods and used widely by most of the users. In most of the web extraction cases this is the only method which is workable to get the data.



·         The next method to be used is to use very sophisticated and advanced algorithms. Here artificial intelligence is applied to the web page. There are programs which has the ability to analyze the semantic content present in the HTML page. You can easily download or extract both dynamic and static web pages with the help of HTTP requests. These requests can be given to the server with the help of socket programming. There is a program which is known as data mining – in this program there are various templates which are used in order to get the information source and also extract the contents from the web.


·         Text grepping and expression matching is another common method used in order to extract data from the websites. This is a simple method but considered as the most powerful method to extract the data from the websites – the reason being UNIX grep command or regular expression matching techniques as it is called is used to get the data from the sites. The programming languages used are also known as Python or Perl. 

Wednesday 18 March 2015

We are living in a modern world where any business cannot operate smoothly and efficiently until and unless one takes access to the internet services. The internet services are thereby an absolute requirement for any company to establish its business in a secure manner. But this is not a market of monopoly anymore and hence people have to face a lot of competition in order to establish their business successfully. Web extractor is the basic need of any empire which strives to earn more success. Web extractor is an application with the help of which an organization remains on top of the competitive market every time.


How does web extractor works?

Web extractor is primarily used to extract information from various websites strewn across the internet in order to get more up to date information about a particular product. However, it is not manually possible to go through all the websites available on the information of a particular product. The manual process is tenuous and is bound to be full of errors. However, the web extractor is an extremely efficient application which does 100% accurate work and extracts any and every kind of information for you without any errors.

Who uses web extractors?

Web data extractor can be used in any organization or any individual for the extraction of various kinds of information from the search engines or the emails. This application helps the organizations to save their precious time and labour by investing in it. Moreover, web extractors are chiefly used for the purpose of marketing as the up to date data helps in the propagation of a better marketing strategy which helps in the development of a particular organization. Both web scraping as well as email scraping is done in order to provide the customers every kind of access to all the recent information of a product.



Different uses of web scraping software

There are tons of uses of web scraping software. Some such uses of web scraping software are as follows-

·             Data extraction from WebPages- The WebPages have a certain language that is only made for human use and it is not possible for any application to extract the information successfully. But the data scraper software goes much beyond that and successfully extracts the data much more efficiently and with zero errors as compared to manual extraction.

·             Email extractor- This facility primarily helps to extract the email Ids from a reliable source and hence serves to derive business contacts from a plethora of WebPages strewn across the internet.

·        Screen scraping- This features helps in extracting visual data from your preferred source. The application searches across the World Wide Web and extracts the visual information required for marketing your product efficiently.

·           Data mining- It is a process by which one can easily find the patterns that exist in a certain collection of information. Recognizing the patterns is the first step towards forming an organized data useful for marketing products effectively.


Web data extractor is therefore a must in any company which seeks to further the process of its success.