GraphQL + OWL: An “Ontologized” GraphQL Interface
Introduction This article describes a proposal for a GraphQL OWL-compliant interface, including queries and mutations. Instead of dealing with abstract OWL concepts, we reference a popular ontology, BIBFRAME, used in structuring bibliographic descriptions. We will go through a brief synthetic overview of GraphQL and BIBFRAME and then describe the proposal. Note the article has nothing to do […]
Spin Up An Apache Spark Cluster: Howto In 5 Minutes
This flash tip aims to provide the reader with the information required for spinning up an Apache Spark cluster
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.
Indexing At Scale
This article describes a design of a mediation layer that implements a hybrid search API through GraphQL.
A GraphQL Mediator For Implementing A Hybrid Search API Layer
This article describes a design of a mediation layer that implements a hybrid search API through GraphQL.
GraphQL, REST: Take the Best of Both
Lessons learned, thoughts, about GraphQL and REST, the two most popular API paradigms
Apache Solr Atomic Updates: a Polymorphic Approach
In this post we describe an approach to solve the problem of an application that requires both Full and Atomic Updates, using one of the powerful concepts in Object Oriented Programming: Polymorphism.
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
