Top "Lucene" questions

The term Lucene refers to the open source Java fulltext search engine library, but also to the entire eco-system that grew around it, including lucene.

Solr vs. ElasticSearch

What are the core architectural differences between these technologies? Also, what use cases are generally more appropriate for each?

search solr lucene elasticsearch
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage?

I'm currently looking at other search methods rather than having a huge SQL query. I saw elasticsearch recently and played …

solr lucene elasticsearch sphinx xapian
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?

I'm building a Django site and I am looking for a search engine. A few candidates: Lucene/Lucene with Compass/…

mysql postgresql full-text-search lucene sphinx
using OR and NOT in solr query

I'm working on a solr query similar to the following: ((myField:superneat AND myOtherField:somethingElse) OR NOT myField:superneat) When …

search lucene solr
How to query SOLR for empty fields?

I have a large solr index, and I have noticed some fields are not updated correctly (the index is dynamic). …

solr lucene
How does lucene index documents?

I read some document about Lucene; also I read the document in this link (http://lucene.sourceforge.net/talks/pisa). …

algorithm indexing lucene
NoSQL (MongoDB) vs Lucene (or Solr) as your database

With the NoSQL movement growing based on document-based databases, I've looked at MongoDB lately. I have noticed a striking similarity …

mongodb solr lucene memcached nosql
Difference between solr and lucene

I know that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don't understand …

java solr lucene
Stemming English words with Lucene

I'm processing some English texts in a Java application, and I need to stem them. For example, from the text "…

java lucene stemming porter-stemmer
Elasticsearch always returning "mapping type is missing"

I'm following the advice given here in order to find partial words with elasticsearch: ElasticSearch n-gram tokenfilter not finding partial …

lucene elasticsearch