http://p-comp.di.uoa.gr :655 :

, 26 2005

= (indoor vs. outdoor) (GPS GIS) : , (smart spaces)

: : :

(I)5

(II)2

OntoNav

(UNO)

()

(I) (GIS)IndoorNavigationOntology (INO)

INO

( UNO)INO

(II)kSP () k kSP: k : : INO

Indoor Navigation Ontology (INO) I :, , , , , , , ,

Indoor Navigation Ontology (INO) II

, : (.., , , ) (.., , ) (.., ) , UNO (User Navigation Ontology)

.., , UNO.., uno:HandicappedUser(u) AND ino:Stairway(s) THEN assert[ino:isObstacleFor(s,u)] -

() OntoNav * *

*

(kSP) k =Passages, =Path_Points k [Yen] [Jen] J.Y. Yen. Finding the k shortest loopless paths in a network. Management Sci., 17(11):712--716, 1971

(EM) k k ( ) : () = 1x( ) + 2x( ) + 3x( )

Web Ontology Language (OWL-DL) , UNOSemantic Web Rule Language (SWRL) / SweetRules v2.0 SWRLJena 2.2 OWLProtg OWL API Mascopt library kSPRacer reasoner OWL-DLRDQL RDFApache Tomcat Web server Servlet container

kSPK (SWRL)INO & UNO(OWL-DL) ServletsWeb (SweetRules)Web browser (Racer)Demo URL: http://satia.di.uoa.gr/ontonav/Protg OWL API(Mascopt)

: 1 : 3 2 k=3 = 4357ms : x = kSP (~1187ms) : 157 444 ( ): 145 392

Chart2

1200

1070.3

1035.8

1043.8

( )

Sheet1

ETRETSETGETKRTETSclearETother

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13281891162562541415630

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123518131000118740005780

2243.84357.6

12001070.31035.81043.87.7

ReasonerGraph creationkSPRules

Sheet1

0

0

0

0

Decomposition of Response Time (on average)

Sheet2

Sheet3

( kSP) / (Design for All) ( ) testbed

kSP (-) ( )

Anagnostopoulos C., Tsetsos V., Kikiras P., and Hadjiefthymiades S., OntoNav: A Semantic Indoor Navigation System, in 1st Workshop on Semantics in Mobile Environments (SME'05) in conjunction with MDM05, Ayia Napa, CyprusTsetsos V., Anagnostopoulos C., Kikiras P., Hasiotis T., and Hadjiefthymiades S., A Human-centered Semantic Navigation System for Indoor Environments, in IEEE International Conference on Pervasive Services (ICPS05), Santorini, GreeceAnagnostopoulos C., Tsetsos V., Kikiras P., and Hadjiefthymiades S., Semantically-enriched Path Finding for Indoor Navigation Systems, under review in Journal on Pervasive Computing and Communications (JPCC).

URL: http://p-comp.di.uoa.gr/projects/ontonav

Na tous pw oti h presented arxitektonikh einai beltiwmenh se sxesh me auth tou paper?