Deepweb. DiscoverEd from ccLearn. Zuula Search. BioText Search Engine. Search Contents of Open Access Repositories. Search Repository Contents This service, based on the Google Custom Search engine, lets you search the contents of the repositories listed in OpenDOAR for freely available academic research information. This quality assured approach minimises (but does not eliminate!) Spurious or junk results, and leads more directly to useful and relevant information. Full texts are available for most results.
This service relies on Google's indexes, which in turn rely on repositories being suitably structured and configured for the Googlebot web crawler. If you are an administrator and your material is not being retrieved, first check that your repository is listed in OpenDOAR. The World's Biggest Search Engine. Lucene - Overview - Apache Lucene. Apache LuceneTM is a high-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. Apache Lucene is an open source project available for free download. Please use the links on the right to access Lucene. Lucene offers powerful features through a simple API: Scalable, High-Performance Indexing over 150GB/hour on modern hardwaresmall RAM requirements -- only 1MB heapincremental indexing as fast as batch indexingindex size roughly 20-30% the size of text indexed Powerful, Accurate and Efficient Search Algorithms Cross-Platform Solution Available as Open Source software under the Apache License which lets you use Lucene in both commercial and Open Source programs100%-pure JavaImplementations in other programming languages available that are index-compatible The Apache Software Foundation.
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