Harvesting Bibliography Multi-thread, Safe and Ethical Web Crawling

Web mining is an important techniques for it enables extraction of data and information from the web for further needs. Although there are a lot of web databases that holds bibliography data, The Online Computer Library Center (OCLC) owns the largest web databases on bibliography in the world. A large number of bibliography data, surely needs more than manual downloading. In this research we conduct an experimentation to harvest bibliography data using multi-threading process that is fast, safe and ethical. Using C# programming language and Visual Studio IDE, We were successful in harvesting five million bibliography data, without being penalized by the source site.