open science - includes open data, open software and open access
KM3NeT Open Science System (OSS) - the full architecture including data sets, servers and software
KM3NeT Open Science Portal (OSP) - pages with description of the system (this project)
KM3NeT Open Data Center (ODC) - server holding the records of all public data from KM3NeT
VO server - server running the DaCHS software and serving data to the Virtual Observatory from KM3NeT, who is the data provider
VO registry - central registry collecting records from data providers
REST API - Web service following the REpresentational State Transfer (REST) architectural style