From: A context-aware multimedia service scheduling framework in smart homes
Service description methods
Service discovery protocols
XML
UPnP [8], SSDS [29], GSDL [30], Konark [31], UDDI [10]
Attribute/Value
Salutation [32], Bluetooth [11], PSDL and PSQL [33]
Formal Grammer
SLP [9], DEAPspace [34]
DAML + OIL
GSD [35]
Ontology
UBIDEV [36], Ronin [37]
RDF
GloServ [38]