Site plugin for Elasticsearch to help understand and debug queries.

Solr query parser plugin that performs proper query-time synonym expansion.

Web mining module for Python, with tools for scraping, natural language processing, machine learning, network analysis and visualization.

DBpedia Spotlight is a tool for automatically annotating mentions of DBpedia resources in text.

The webprotege code base

Protege Desktop Aggregator

Engine for calculating differences between two OWL ontologies.

Load and modify ontologies as YAML text, visualize as node-link diagrams. An experiment using Flight, require, and d3.chart.

Scrapy, a fast high-level screen scraping and web crawling framework for Python.

a language-aware program comparison tool