xapian-core: Xapian (Indexing and search toolkit) xapian-core: xapian-core: Xapian is a highly adaptable toolkit which allows developers to xapian-core: easily add advanced indexing and search facilities to their own xapian-core: applications. It supports the Probabilistic Information Retrieval xapian-core: model and also supports a rich set of boolean query operators. xapian-core: xapian-core: xapian-core: xapian-core: xapian-core: