1. A method for operating a Web Services search method in a networked environment, wherein a Service Provider registers Web Services at a Service Broker, and wherein a Service Broker is inquired by a Service Consumer for offering Web Services, and a Service Provider provides an inquired Web Service to the Service Consumer, wherein the Service Broker maintains a service model comprising Web Service description data and wherein the service model is created by the Service Broker according to Web Service data offered by the Service Provider, and wherein the service model is used by the Service Broker to process inquiries issued by the Service Consumer, comprising: retrieving data mining input data relating to description details of the inquired Web Services from respective Service descriptions of the inquired Web Services; performing a data mining function on said data mining input data, wherein a clustering is performed with a distance calculation function including said description details, wherein the distance calculation includes the degree of interaction between said Web Services, and wherein the clustering yields a cluster model comprising a plurality of clusters and a mapping for each Web Service to one of said clusters, wherein Web Services having a similar semantic meaning are collected in a single cluster, yielding a data mining result; adding cluster information according to said data mining result to said service model resulting in an extended service model, thus associating each service with the cluster it is assigned to in the data mining result and storing this extended service model in a database; and offering search response data based on said extended service model in response to Web Services search operations.