Spring Boot, GraphQL, TestContainers, PostgreSQL: Minimal Setup
This tip provides a minimalistic quickstart code for setting up a module using Spring Boot, GraphQL, PostgreSQL, and TestContainers.
GraphQL Custom Directives
Within this article we will explore how to implement custom GraphQL directives to protect content from exposure through your API.
Indexing At Scale
This article describes a design of a mediation layer that implements a hybrid search API through GraphQL.
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
Integration tests with jena-nosql and Cassandra
Integration tests with jena-nosql and Cassandra In this post I will illustrate the integration tests infrastructure I used for the jena-nosql project on my GitHub account. The core of the project itself is not associated with a specific storage, so a set of integration tests that run towards a (mini)instance of a not-well-known target storage […]
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 […]
