Recent questions tagged Lucene

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I am new to Solr and I'm curious what the procedure is for changing/updating the schema? I noticed that I ... this I would much appreciate it! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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490 views

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lucene - Multiple ranges in a facet in solr

How could you format a Solr facet query to include two page view ranges? The following will only return the 200 ... and between 500 and 550. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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533 views

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lucene - Use function query for boosting score in Solr

I working on a Solr 4 for optimizing my solr results rank based on popularity rank stored in Index. Now ... Any help is highly appreicated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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685 views

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lucene - Does Elasticsearch keep an order of multi-value fields?

Does Elasticsearch keep an order of multi-value fields? I.e. if I've put following values into fields: { ... multi-valued fields will work. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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615 views

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lucene - Solr Index appears to be valid - but returns no results

Solr newbie here. I have created a Solr index and write a whole bunch of docs into it. I can see from the ... am confused what I am doing wrong. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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516 views

1 answer

lucene - How to configure Solr to use Levenshtein approximate string matching?

Does Apaches Solr search engine provide approximate string matches, e.g. via Levenshtein algorithm? I'm looking ... search for "Levenstein" ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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688 views

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lucene - String length function query in Solr

I need to find all the documents in my collection for which the length of a certain field exceeds a certain limit ... of a string field in Solr? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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972 views

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lucene - String length function query in Solr

I need to find all the documents in my collection for which the length of a certain field exceeds a certain limit ... of a string field in Solr? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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652 views

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lucene - Spelling correction for data normalization in Java

I am looking for a Java library to do some initial spell checking / data normalization on user generated text ... ) Any suggestions are welcome! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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883 views

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lucene - 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 ... a very common error. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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395 views

1 answer

lucene - not_indexed field is stored in index

I'm trying to optimize my elasticsearch scheme. I have a field which is a URL - I do not want to be able ... other fields? What am I missing? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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533 views

1 answer

lucene - Solr Text field and String field - different search behaviour

I am working on Solr 4+. I have several fields into my solr schema with different solr field types. Does the ... in solr in respect to searches? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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523 views

1 answer

lucene - Scoring of solr multivalued field

If I have a document with a multivalued field in Solr are the multiple values scored independently or just ... Solr handle this scenario? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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421 views

1 answer

lucene - Change dynamically elasticsearch synonyms

Is it possible to store the synonyms for elasticsearch in the index? Or is it possible to get the synonym ... elasticsearch via the REST-API. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

1 answer

lucene - solr search for documents where a field doesn't exist

How do I search for those document in a SOLR index which do not contain a specified field? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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382 views

1 answer

lucene - Field having multiple distinct values

Am building a "Book search" API using Lucene. I need to index Book Name,Author, and Book category fields in ... and build the query in lucene? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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517 views

1 answer

lucene - Retrieving specific fields in a Solr query?

I am running a Solr instance on Jetty and when I search using the Solr admin panel, it returns the entire ... document returned by the search? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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604 views

1 answer

lucene - Solr DIH -- How to handle deleted documents?

I'm playing around with a Solr-powered search for my webapp, and I figured it'd be best to use the ... index. What do other folks do? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

1 answer

lucene - Solr Collection vs Cores

I struggle with understanding the difference between collections and cores. If I understand it correctly, cores are ... separate in Solr??? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

550 views

1 answer

lucene - In Elasticsearch, how do I search for an arbitrary substring?

In Elasticsearch, how do I search for an arbitrary substring, perhaps including spaces? (Searching for part of a word ... for large data sets.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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908 views

1 answer

lucene - Solr Query not parsing forward slash

Is the forward slash "/" a reserved character in solr field names? I'm having trouble writing a solr sort query ... and "." for other purposes. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

586 views

1 answer

lucene - Ignore tf/idf at query time in Solr

I am trying to boost particular documents based on a field value. It is generally working ok but some documents ... /idf scoring at query time? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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450 views

1 answer

lucene - Is Solr available for .Net?

I want to learn Solr. May I know some good tutorial/links for it? Also, is Solr available for .NET? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

361 views

1 answer

lucene - Generating a custom Tokenizer for new TokenStream API using JFlex/ Java CC

We are currently using Lucene 2.3.2 and want to migrate to 3.4.0 . We have our own custom Tokenizer generated ... using jflex http://jflex.de/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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708 views

1 answer

lucene - 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). ... to query empty fields? Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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742 views

1 answer

lucene - Hibernate Search | ngram analyzer with minGramSize 1

I have some problems with my Hibernate Search analyzer configuration. One of my indexed entities ("Hospital") has ... that solves the problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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451 views

1 answer

lucene - Problem using same instance of indexSearcher for multiple requests

Am using Lucene API in a .net web application. I want to use the same instance of Indexsearcher for all ... missing here? Thanks for reading! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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