How do you search in Lucene?
Lucene supports single and multiple character wildcard searches within single terms (not within phrase queries). To perform a single character wildcard search use the “?” symbol. To perform a multiple character wildcard search use the “*” symbol. You can also use the wildcard searches in the middle of a term.
What is Lucene full-text search?
Apache Lucene™ is a high-performance, full-featured search engine library written entirely in Java. It is a technology suitable for nearly any application that requires structured search, full-text search, faceting, nearest-neighbor search across high-dimensionality vectors, spell correction or query suggestions.
How do you escape Lucene query?
Lucene supports escaping special characters that are part of the query syntax. To escape a special character, precede the character with a backslash ( \ ).
Is Google search based on Lucene?
Despite these open-source bona fides, it’s still surprising to see someone at Google adopting Solr, an open-source search server based on Apache Lucene, for its All for Good site. Google is the world’s search market leader by a very long stretch.
Who invented Lucene?
Doug Cutting
History. Doug Cutting originally wrote Lucene in 1999. Lucene was his fifth search engine, having previously written two while at Xerox PARC, one at Apple, and a fourth at Excite. It was initially available for download from its home at the SourceForge web site.
Does SOLR use Lucene?
Solr (spelled as solar) is nothing but an open source web application which implements Lucene-based search aptitudes. Basically, it uses the Lucene search library but additionally provides a lot of other tools and extends some of its features.
What is text based search?
Text-based searches are dependent on the quality of the text, annotations and index being searched. If entries are not annotated fully or consistently, it will be difficult to find all relevant entries for a topic.