Smart Data as a Service (SDaaS) platform vocabulary

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Platform core variables with default values:

• SD_CACHE: default=.cache
• SD_DEBUG: set to 1 to save etl steps and print some extra info; default=0
• SD_DEBUG_FILE: where debug info will be stored;default=$SD_CACHE/session_{pid}.debug
• SD_LOG_FILE: where log info will be stored; default=$SD_CACHE/session_{pid}.log
• SD_QUADSTORE: the tecnology for quadstore. Set in sdaas command line; default=kb
• SD_VERBOSE: the verbosity level, 0 no output, 2 max vebosity. default=1
• SD_URISPACE: the namespace to be used to generate new uri, default urn:sdaas:resource:
• SD_AGENT_URI: the uri of the sdaas agent, if not definet a default is used

Platform core functions

SDaaS exposes a set of functions grouped in:

• Quad store level functions: allow to access directly to the RDF store using the SPARQL protocol. The implementation could depend from the quad store technology. It is possible to access vendor specific SPARQL extensions o incur in some vendor limitation. Available in all editions.
• Platform level functions: allow to customize or implement new SDaaS features. Available in all editions.
• Application level functions: to populate the knowledge base and reason about facts. Available in all editions.
• Plugins modules: optional functions packages available only in Enterprise Edition

Quad store level functions

• SD_SPARQL_QUERY ()
• SD_SPARQL_UPDATE ()
• SD_LOAD_RDF_FILE ()

Platform level functions

These these functions to customize or implement new platform features.

• SD_BEGIN_INGESTION ()
• SD_CLEAN_CACHE ()
• SD_DEBUG_INFO ()
• SD_FATAL_ERROR ()
• SD_FETCH_SERVICE ()
• SD_INCLUDE ()
• SD_REQUIRES_CMD ()
• SD_REQUIRES_VAR ()
• SD_SHOW ()
• SD_START_LOGGING ()
• SD_LOG ()
• SD_STATUS ()

Application level functions

• SD_LEARN ()
• SD_EVAL_CONSTRUCTOR ()
• SD_THATS_ALL_FOLKS ()

Plugins

• bg_reasoner:
  • SD_REASONER_LOAD ()
  • SD_REASONER_QUERY ()
  • SD_REASONER_UPDATE ()
  • SD_CREATE_REASONER ()
  • SD_DESTROY_REASONER ()
• aws:
  • SD_LEARN_S3 ()
• kees:
  • SD_RUN_KEES_CYCLE ()
  • SD_KEES_SET_KB_UNSAFE ()
  • SD_KEES_SET_KB_SAFE ()
• teaching
  • SD_CREATE_DATA_DISTRIBUTION ()