Promoting Geospatial Service from Information to Knowledge with Spatiotemporal Semantics

Table 1

Table of a service chain.

Entry	Type	Notion
ID	long	Unique identification
Service _id	varchar	Related service
relationship_id	varchar	Related relationship
MD_id	varchar	Related metadata
UNIQUE(Service_id, relationship_id, MD_id)		Unique constraint key
PRIMARY KEY (ID)		Primary key