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OpenSearchServer is a stable, high performance search engine and a high rate of full text search algorithm. Supports a variety of document formats such as: XML, HTML/XHTML, PDF, Word, PowerPoint, RTF, OpenOffice, plain, text, MP3/4, Ogg, FLAC etc.. Its Web interface using Zkoss framework for the development, provides a simple way to manage OSS. Through the PHP client or API (XML over HTTP) to realize the rapid integration with third party. OpenSearchServer crawler can quickly grasp the website, database, file system to build your index.
OpenSearchServer has more than 20 kinds of new features, including logographic index, optical character recognition PDF files and images, provides a SOAP Web service interface, support geographic location search, YouTube, DailyMotion, and Vimeo index (I use API manager), optical character recognition, grab the cache on the file system or Hadoop bases, occupy less memory and faster execution speed.