. "Semiotics"@en . "Vector space model"@en . "Web service discovery"@en . . "Service matching"@en . "Hierarchical clustering"@en . "7d6b6f5e39e9a20613c7f259546187ee" . "Huiying Gao" . "Knowledge representation"@en . "Huiying" . . "Fuzzy logic theory"@en . "CDSSs"@en . "Gao" . "Web service description"@en . "Semantic analysis"@en . "Knowledge reasoning"@en .