full-text-search

问题 I am looking for design advice for the following scenario: I have a code-first EF5 MVC application. I am building a full-text search function which will incorporate multiple weighted columns from many tables. As I cannot create view with an index from these tables (some of them contain text / binary columns), I have created a stored procedure which will output the ID of my object (eg. PersonID ) and the rank associated with that object based on the search terms. My current approach is to

问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . I'm looking to find alternatives to Solr from the Apache Software Foundation. For those that don't know, Solr is an enterprise search server. A client application uses a web-services like interface to submit documents for indexing and also to perform search queries. Solr has other features built in like caching

问题 This is my object. and I want find text inside of task i.e task.name. { "_id" : ObjectId("55e2acd77e5e4ddc037b3ef5"), "userId" : "123", "username" : "user12", "address" : "abc", "number" : 928228828282.0, "task" : [{ "name" : "metac", "productCode" : "1234", "_id" : ObjectId("55e2acd77e5e4ddc037b3ef7") }, { "name" : "alfa33", "productCode" : "1234", "_id" : ObjectId("55e2acd77e5e4ddc037b3ef6") }], "__v" : 0 } so when I query for that it will return all task. curl -XPOST 'localhost:9200

问题 I'm doing a pretty standard MySQL MATCH(...) AGAINST(...) query. I'm returning the score of each row as column score . The problem here is that score can be more than 1, so getting a percentage is tricky (multiplying by 100) due to the fact I can get scores greater than 1. My question is, can I normalise the score column so I get all scores from 0 to 1, but keep them in proportion (for example, a score of 4 would be 1, and a score of 2 would become 0.5, etc, but 4 can be a dynamic upper bound

问题 I have three models Lcities and lservices and search class Lcity < ActiveRecord::Base has_many :Lservices attr_accessible :lname , :lcode , :lexperience , :lrating , :llocation end and class Lservice < ActiveRecord::Base belongs_to :Lcity attr_accessible :lcode , :lscode , :lcharg , :lname end class Search < ActiveRecord::Base attr_accessible :city , :services end After submitting in Search form i want the all the lname from the Lcities model i know the sql query but how to apply on Rails

问题 Here are two records: Ryan Restaurant: 'location' => [ 'lat' => 72.1909090, 'lon' =>19.123456], 'name' => Ryan Restaurant, 'type' => 'restaurant' Play Restaurant: 'location' => [ 'lat' => 72.1900010, 'lon' =>19.9645673], 'name' => Play Restaurant, 'type' => 'restaurant' Ashita Singh: 'location' => [ 'lat' => 0.0000000, 'lon' =>0.000000], 'name' => Ashita Singh, 'type' => 'homemade' How to display all the documents which have lat and long as 0.00 and documents which lie within 5km? Is it

问题 Here are two records: Ryan Restaurant: 'location' => [ 'lat' => 72.1909090, 'lon' =>19.123456], 'name' => Ryan Restaurant, 'type' => 'restaurant' Play Restaurant: 'location' => [ 'lat' => 72.1900010, 'lon' =>19.9645673], 'name' => Play Restaurant, 'type' => 'restaurant' Ashita Singh: 'location' => [ 'lat' => 0.0000000, 'lon' =>0.000000], 'name' => Ashita Singh, 'type' => 'homemade' How to display all the documents which have lat and long as 0.00 and documents which lie within 5km? Is it

问题 I'm looking for a search engine that is able to return just relevant passages as a result and not the entire documents. Is ElasticSearch able to do this? 回答1: If you are looking to extract part of a long document, look at Highlighting. Specifically parameters like fragment_size (100 characters by default) or boundary_chars will help you to build that functionality. 来源： https://stackoverflow.com/questions/53904137/can-elasticsearch-return-relevant-passages-and-not-the-entire-document

问题 I am trying to implement the full test search. And for this the first thing I did change the value of ft_min_word_len = 2 on /etc/mysql/my.cnf as [mysqld] # # * Basic Settings # # # * IMPORTANT # If you make changes to these settings and your system uses apparmor, you may # also need to also adjust /etc/apparmor.d/usr.sbin.mysqld. # ft_min_word_len = 2 Now Saved that and restarted the server. I am aware that if I already have an index with FULLTEXT in a table I will need to drop the indexes

问题 I am trying to implement the full test search. And for this the first thing I did change the value of ft_min_word_len = 2 on /etc/mysql/my.cnf as [mysqld] # # * Basic Settings # # # * IMPORTANT # If you make changes to these settings and your system uses apparmor, you may # also need to also adjust /etc/apparmor.d/usr.sbin.mysqld. # ft_min_word_len = 2 Now Saved that and restarted the server. I am aware that if I already have an index with FULLTEXT in a table I will need to drop the indexes