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This paper analyzes the features of non-functional properties of Web Services, studies their classification, advance a method to dispose the uncertain features with fuzzy sets and grey systems, provide a measurement (i.e. relevance degree, based on rough sets) of dependency among the non-functional properties, which evolves a description (i.e. support degree, based on rough sets too) of essentiality...
To objectively assess quality of web services, we propose a six-dimensional QoWS model which includes expected QoWS, agreed QoWS, delivered QoWS, perceived QoWS, transmitted QoWS, and statistic QoWS. Then a trusted QoWS monitoring model is presented. It adopts Simple Network Management Protocol (SNMP) to respectively capture delivered QoWS, perceived QoWS, and transmitted QoWS. A new style assessment...
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