Distributed, realtime, semi-structured, searchable database.
* Full-text search
* Fast realtime updates while maintaining high query performance
* Structured and faceted search
* complex queries via a query language (BQL) and a REST/JSON api
* Streaming updates from different Gateways such as
... [More] JDBC, JMS, and Kafka
* Fast key-value lookup
* High performance under concurrent heavy update and query volumes
* Hadoop integration, e.g. Map-Reduce job to batch build index and push to Sensei clusters
* Ability plug-in custom and complex faceting logic such as the social graph. [Less]
Cheshire3 is a fast Z39.50, SRW, XML search engine, written in Python for extensability and using C libraries for speed. Next generation of the Cheshire system (http://cheshire.berkeley.edu) and designed around a distributable, object oriented model.
Atoll Digital Library is a document publishing system that allows users to create their own digital library.
The application is primarily aimed at fans of literature, researchers, teachers and students because it provides them with complex indexing features and advanced search. It allows to
... [More] integrate ePub eBooks or any XML document (XHTML, DocBook, TEI, etc.), specifying the items to index, the page breaks and the stylesheets to apply for rendering.
Then you can browse the documents, consult the index and make searches. [Less]
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