Volk, Florian ; Sokoli, Johanna ; Mühlhäuser, Max (2014)
Performance Functions for QoS Prediction in Web Service Composites.
21st International Conference on Web Services (ICWS 2014). Anchorage, USA (27.06.-02.07.)
doi: 10.1109/ICWS.2014.86
Konferenzveröffentlichung, Bibliographie
Kurzbeschreibung (Abstract)
We contribute performance functions to model the quality of service (QoS) of web services in horizontal composites. Performance function are thereby used to formalize service level agreements (SLAs) to enable automated verification. Inter-Component rating is a model for gathering additional QoS information from web services that rate the output of their predecessor web services in composites. Furthermore, we contribute two tools to verify if a web service adheres to its claimed QoS described with a performance function. For this verification, claimed performance is compared with reading points gathered from spot-testing the quality of the web service. The first tool we discuss is function interpolation, the second one applies methods from computational trust. The paper also discusses the advantages and drawbacks of both tools as well as the influence of measuring errors.
| Typ des Eintrags: | Konferenzveröffentlichung |
|---|---|
| Erschienen: | 2014 |
| Autor(en): | Volk, Florian ; Sokoli, Johanna ; Mühlhäuser, Max |
| Art des Eintrags: | Bibliographie |
| Titel: | Performance Functions for QoS Prediction in Web Service Composites |
| Sprache: | Englisch |
| Publikationsjahr: | 4 Dezember 2014 |
| Verlag: | IEEE |
| Veranstaltungstitel: | 21st International Conference on Web Services (ICWS 2014) |
| Veranstaltungsort: | Anchorage, USA |
| Veranstaltungsdatum: | 27.06.-02.07. |
| DOI: | 10.1109/ICWS.2014.86 |
| Kurzbeschreibung (Abstract): | We contribute performance functions to model the quality of service (QoS) of web services in horizontal composites. Performance function are thereby used to formalize service level agreements (SLAs) to enable automated verification. Inter-Component rating is a model for gathering additional QoS information from web services that rate the output of their predecessor web services in composites. Furthermore, we contribute two tools to verify if a web service adheres to its claimed QoS described with a performance function. For this verification, claimed performance is compared with reading points gathered from spot-testing the quality of the web service. The first tool we discuss is function interpolation, the second one applies methods from computational trust. The paper also discusses the advantages and drawbacks of both tools as well as the influence of measuring errors. |
| Fachbereich(e)/-gebiet(e): | 20 Fachbereich Informatik 20 Fachbereich Informatik > Telekooperation |
| Hinterlegungsdatum: | 26 Mär 2015 08:38 |
| Letzte Änderung: | 30 Sep 2020 13:10 |
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