by oltp techniques the combined data of the retailer and information services provider may then be used by web server 108 to immediately build a customized internet web page for viewing by customer 103 this customized web page may for example display special promotions particularly of interest to that customer this entire process may in a preferred embodiment of the invention be performed in real time and will thus not result in noticeable delay for customer 103 in an alternative embodiment of the present invention a data owner may provide a customized web page for viewing by customer 103 by sending customer 103 39 s response to the query by web server 108 directly to an information service provider 39 s repository 24 the information service provider then uses this information in conjunction with the data in repository 24 to find the appropriate consumer link 26 to match all relevant information about customer 103 if additional information from the information service provider is requested that data can be returned along with the appropriate consumer link 26 to web server 108 this consumer link 26 may then be used to match all information the retailer maintains about customer 103 using interactive data access 109 as explained above this aggregate of data may then be used by web server 108 to construct a customized web site for customer 103 this aggregate of data may also in an alternative embodiment be transmitted to an analytical modeling engine not shown to perform data mining and other analytical functions the results of which may be returned to web server 108 to assist in constructing a customized web site for customer 103 the present invention may allow.