Digging in the Solr code: 5 minutes howto
How to quickly debug a custom Apache Solr component (e.g. request handler, query parser, filter) in your favourite IDE.
The example uses IntelliJ but it is valid for any IDE.
Rated Ranking Evaluator: Help the poor (Search Engineer)
What is Search Quality? Why is it so important in a search infrastructure?
Do you need something that gives you the evidence about the direction the search system is going to? RRE is the tool you’re looking for.
Apache Solr: Orchestrating Known item and Full-text search
The Apache Solr Invisible Queries Request Handler
Apache Solr: Give the Height the Right Weight
Quantity detection? What is a quantity? And why do we need to detect it?
In this post we introduce a quantity detection plugin for Apache Solr.
Towards a scalable Solr-based RDF Store
SolRDF (i.e., Solr + RDF) is a set of Solr extensions for managing (indexing and searching) RDF data. In a preceding post, I described how to set up a standalone SolRDF instance in two minutes; in this post, I’ll describe how to run SolRDF in a simple cluster. The required steps are similar to what […]
SPARQL Integration tests with SolRDF
The SolRDF Integration Tests Suite
Solr SPARQL Endpoint in Two Minutes
A Solr-backed RDF Store in 2 minutes.
RDF in Solr: HowTo
The Solr built-in UpdateRequestHandler supports several formats of input data. It delegates the actual data loading to a specific ContentStreamLoader, depending on the content type of the incoming request (i.e., the Content-type header of the HTTP request). Currently, these are the available content types declared in the UpdateRequestHandler class: application/xml or text/xml application/json or text/json application/csv or text/csv application/javabin So, a client has several options […]
Apache Solr: Loading Data at Startup
Feed Solr at startup time
Apache Solr: “Exact Match” BATH compliant field
If you want to expose a Z3950 interface for an Information Retrieval sooner or later you will meet the BATH profile, which is basically a set of rules that promotes standards behaviours between Z3950 servers. Aims of those specification is to determine a list of searches (fields, attributes) that should be supported by a Z3950 […]
